Rothoblaas

SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● ENLARGED IMPRESSIONCompared to common carpentry screws, it has a larger Torx cavity: TX 25 for Ø4 and 4.5, TX 30 for Ø5. It is the right screw for users requiring strength and precision.● FASTENING ON TONGUE AND GROOVE BOARDSFor fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for application in joints. FIELDS OF USE• tongue-and-groove boards• timber based panels• fibreboard, MDF, HDF and LDF• plated and melamine faced panels• solid timber• glulam (Glued Laminated Timber)• CLT and LVL  d1 3.5mm TX10 L 30mm b 20mm A 10mm Nominal Diameter (d1) 3.5mm Head Diameter 5.75mm Thread Diameter 2.30mm Shank Diameter 2.65mm Pre-Drilling Hole Diameter 2.0mm For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● OUTDOOR ON ACID WOODMartensitic stainless steel. This stainless steels offers the highest mechanical performance compared to the other available stainless steels. Suitable for outdoor applications and on acid wood, but away from corrosive agents (chlorides, sulphides, etc.).● SMALL ELEMENTS FASTENINGThe smaller diameter versions are ideal for fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for fastening tongue-and-groove boards. FIELDS OF USE• timber based panels• solid timber• glulam (Glued Laminated Timber)• CLT, LVL• high-density woods and acid woods  d1 3.5mm TX10 L 40mm b 26mm A 14mm Nominal Diameter (d1) 3.5mm Head Diameter 5.75mm Thread Diameter 2.15mm Shank Diameter 2.50mm Pre-Drilling Hole Diameter 2.0mm For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● ENLARGED IMPRESSIONCompared to common carpentry screws, it has a larger Torx cavity: TX 25 for Ø4 and 4.5, TX 30 for Ø5. It is the right screw for users requiring strength and precision.● FASTENING ON TONGUE AND GROOVE BOARDSFor fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for application in joints. FIELDS OF USE• tongue-and-groove boards• timber based panels• fibreboard, MDF, HDF and LDF• plated and melamine faced panels• solid timber• glulam (Glued Laminated Timber)• CLT and LVL  d1 3.5mm TX10 L 40mm b 26mm A 14mm Nominal Diameter (d1) 3.5mm Head Diameter 5.75mm Thread Diameter 2.30mm Shank Diameter 2.65mm Pre-Drilling Hole Diameter 2.0mm For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● OUTDOOR ON ACID WOODMartensitic stainless steel. This stainless steels offers the highest mechanical performance compared to the other available stainless steels. Suitable for outdoor applications and on acid wood, but away from corrosive agents (chlorides, sulphides, etc.).● SMALL ELEMENTS FASTENINGThe smaller diameter versions are ideal for fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for fastening tongue-and-groove boards. FIELDS OF USE• timber based panels• solid timber• glulam (Glued Laminated Timber)• CLT, LVL• high-density woods and acid woods  d1 3.5mm TX10 L 50mm b 34mm A 16mm Nominal Diameter (d1) 3.5mm Head Diameter 5.75mm Thread Diameter 2.15mm Shank Diameter 2.50mm Pre-Drilling Hole Diameter 2.0mm   For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● ENLARGED IMPRESSIONCompared to common carpentry screws, it has a larger Torx cavity: TX 25 for Ø4 and 4.5, TX 30 for Ø5. It is the right screw for users requiring strength and precision.● FASTENING ON TONGUE AND GROOVE BOARDSFor fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for application in joints. FIELDS OF USE• tongue-and-groove boards• timber based panels• fibreboard, MDF, HDF and LDF• plated and melamine faced panels• solid timber• glulam (Glued Laminated Timber)• CLT and LVL  d1 3.5mm TX10 L 50mm b 34mm A 16mm Nominal Diameter (d1) 3.5mm Head Diameter 5.75mm Thread Diameter 2.30mm Shank Diameter 2.65mm Pre-Drilling Hole Diameter 2.0mm For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● OUTDOOR ON ACID WOODMartensitic stainless steel. This stainless steels offers the highest mechanical performance compared to the other available stainless steels. Suitable for outdoor applications and on acid wood, but away from corrosive agents (chlorides, sulphides, etc.).● SMALL ELEMENTS FASTENINGThe smaller diameter versions are ideal for fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for fastening tongue-and-groove boards. FIELDS OF USE• timber based panels• solid timber• glulam (Glued Laminated Timber)• CLT, LVL• high-density woods and acid woods  d1 3.5mm TX10 L 60mm b 40mm A 20mm Nominal Diameter (d1) 3.5mm Head Diameter 5.75mm Thread Diameter 2.15mm Shank Diameter 2.50mm Pre-Drilling Hole Diameter 2.0mm   For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● ENLARGED IMPRESSIONCompared to common carpentry screws, it has a larger Torx cavity: TX 25 for Ø4 and 4.5, TX 30 for Ø5. It is the right screw for users requiring strength and precision.● FASTENING ON TONGUE AND GROOVE BOARDSFor fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for application in joints. FIELDS OF USE• tongue-and-groove boards• timber based panels• fibreboard, MDF, HDF and LDF• plated and melamine faced panels• solid timber• glulam (Glued Laminated Timber)• CLT and LVL  d1 3.5mm TX10 L 60mm b 40mm A 20mm Nominal Diameter (d1) 3.5mm Head Diameter 5.75mm Thread Diameter 2.30mm Shank Diameter 2.65mm Pre-Drilling Hole Diameter 2.0mm For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● ENLARGED IMPRESSIONCompared to common carpentry screws, it has a larger Torx cavity: TX 25 for Ø4 and 4.5, TX 30 for Ø5. It is the right screw for users requiring strength and precision.● FASTENING ON TONGUE AND GROOVE BOARDSFor fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for application in joints. FIELDS OF USE• tongue-and-groove boards• timber based panels• fibreboard, MDF, HDF and LDF• plated and melamine faced panels• solid timber• glulam (Glued Laminated Timber)• CLT and LVL  d1 4mm TX25 L 40mm b 24mm A 16mm Nominal Diameter (d1) 4mm Head Diameter 8mm Thread Diameter 2.55mm Shank Diameter 2.75mm Pre-Drilling Hole Diameter 2.5mm For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● ENLARGED IMPRESSIONCompared to common carpentry screws, it has a larger Torx cavity: TX 25 for Ø4 and 4.5, TX 30 for Ø5. It is the right screw for users requiring strength and precision.● FASTENING ON TONGUE AND GROOVE BOARDSFor fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for application in joints. FIELDS OF USE• tongue-and-groove boards• timber based panels• fibreboard, MDF, HDF and LDF• plated and melamine faced panels• solid timber• glulam (Glued Laminated Timber)• CLT and LVL  d1 4mm TX25 L 50mm b 30mm A 20mm Nominal Diameter (d1) 4mm Head Diameter 8mm Thread Diameter 2.55mm Shank Diameter 2.75mm Pre-Drilling Hole Diameter 2.5mm For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● ENLARGED IMPRESSIONCompared to common carpentry screws, it has a larger Torx cavity: TX 25 for Ø4 and 4.5, TX 30 for Ø5. It is the right screw for users requiring strength and precision.● FASTENING ON TONGUE AND GROOVE BOARDSFor fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for application in joints. FIELDS OF USE• tongue-and-groove boards• timber based panels• fibreboard, MDF, HDF and LDF• plated and melamine faced panels• solid timber• glulam (Glued Laminated Timber)• CLT and LVL  d1 4mm TX25 L 60mm b 35mm A 25mm Nominal Diameter (d1) 4mm Head Diameter 8mm Thread Diameter 2.55mm Shank Diameter 2.75mm Pre-Drilling Hole Diameter 2.5mm For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● ENLARGED IMPRESSIONCompared to common carpentry screws, it has a larger Torx cavity: TX 25 for Ø4 and 4.5, TX 30 for Ø5. It is the right screw for users requiring strength and precision.● FASTENING ON TONGUE AND GROOVE BOARDSFor fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for application in joints. FIELDS OF USE• tongue-and-groove boards• timber based panels• fibreboard, MDF, HDF and LDF• plated and melamine faced panels• solid timber• glulam (Glued Laminated Timber)• CLT and LVL  d1 4mm TX25 L 70mm b 40mm A 30mm Nominal Diameter (d1) 4mm Head Diameter 8mm Thread Diameter 2.55mm Shank Diameter 2.75mm Pre-Drilling Hole Diameter 2.5mm For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● OUTDOOR ON ACID WOODMartensitic stainless steel. This stainless steels offers the highest mechanical performance compared to the other available stainless steels. Suitable for outdoor applications and on acid wood, but away from corrosive agents (chlorides, sulphides, etc.).● SMALL ELEMENTS FASTENINGThe smaller diameter versions are ideal for fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for fastening tongue-and-groove boards. FIELDS OF USE• timber based panels• solid timber• glulam (Glued Laminated Timber)• CLT, LVL• high-density woods and acid woods  d1 4.5mm TX20 L 50mm b 30mm A 20mm Nominal Diameter (d1) 4.5mm Head Diameter 7.50mm Thread Diameter 2.80mm Shank Diameter 3.15mm Pre-Drilling Hole Diameter 2.5mm   For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● OUTDOOR ON ACID WOODMartensitic stainless steel. This stainless steels offers the highest mechanical performance compared to the other available stainless steels. Suitable for outdoor applications and on acid wood, but away from corrosive agents (chlorides, sulphides, etc.).● SMALL ELEMENTS FASTENINGThe smaller diameter versions are ideal for fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for fastening tongue-and-groove boards. FIELDS OF USE• timber based panels• solid timber• glulam (Glued Laminated Timber)• CLT, LVL• high-density woods and acid woods  d1 4.5mm TX20 L 50mm b 30mm A 20mm Nominal Diameter (d1) 4.5mm Head Diameter 7.50mm Thread Diameter 2.80mm Shank Diameter 3.15mm Pre-Drilling Hole Diameter 2.5mm   For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● ENLARGED IMPRESSIONCompared to common carpentry screws, it has a larger Torx cavity: TX 25 for Ø4 and 4.5, TX 30 for Ø5. It is the right screw for users requiring strength and precision.● FASTENING ON TONGUE AND GROOVE BOARDSFor fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for application in joints. FIELDS OF USE• tongue-and-groove boards• timber based panels• fibreboard, MDF, HDF and LDF• plated and melamine faced panels• solid timber• glulam (Glued Laminated Timber)• CLT and LVL  d1 4.5mm TX25 L 50mm b 30mm A 20mm Nominal Diameter (d1) 4.5mm Head Diameter 9mm Thread Diameter 2.8mm Shank Diameter 3.15mm Pre-Drilling Hole Diameter 2.5mm For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● OUTDOOR ON ACID WOODMartensitic stainless steel. This stainless steels offers the highest mechanical performance compared to the other available stainless steels. Suitable for outdoor applications and on acid wood, but away from corrosive agents (chlorides, sulphides, etc.).● SMALL ELEMENTS FASTENINGThe smaller diameter versions are ideal for fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for fastening tongue-and-groove boards. FIELDS OF USE• timber based panels• solid timber• glulam (Glued Laminated Timber)• CLT, LVL• high-density woods and acid woods  d1 4.5mm TX20 L 60mm b 35mm A 25mm Nominal Diameter (d1) 4.5mm Head Diameter 7.50mm Thread Diameter 2.80mm Shank Diameter 3.15mm Pre-Drilling Hole Diameter 2.5mm   For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● OUTDOOR ON ACID WOODMartensitic stainless steel. This stainless steels offers the highest mechanical performance compared to the other available stainless steels. Suitable for outdoor applications and on acid wood, but away from corrosive agents (chlorides, sulphides, etc.).● SMALL ELEMENTS FASTENINGThe smaller diameter versions are ideal for fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for fastening tongue-and-groove boards. FIELDS OF USE• timber based panels• solid timber• glulam (Glued Laminated Timber)• CLT, LVL• high-density woods and acid woods  d1 4.5mm TX20 L 60mm b 35mm A 25mm Nominal Diameter (d1) 4.5mm Head Diameter 7.50mm Thread Diameter 2.80mm Shank Diameter 3.15mm Pre-Drilling Hole Diameter 2.5mm   For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● ENLARGED IMPRESSIONCompared to common carpentry screws, it has a larger Torx cavity: TX 25 for Ø4 and 4.5, TX 30 for Ø5. It is the right screw for users requiring strength and precision.● FASTENING ON TONGUE AND GROOVE BOARDSFor fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for application in joints. FIELDS OF USE• tongue-and-groove boards• timber based panels• fibreboard, MDF, HDF and LDF• plated and melamine faced panels• solid timber• glulam (Glued Laminated Timber)• CLT and LVL  d1 4.5mm TX25 L 60mm b 35mm A 25mm Nominal Diameter (d1) 4.5mm Head Diameter 9mm Thread Diameter 2.8mm Shank Diameter 3.15mm Pre-Drilling Hole Diameter 2.5mm For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● OUTDOOR ON ACID WOODMartensitic stainless steel. This stainless steels offers the highest mechanical performance compared to the other available stainless steels. Suitable for outdoor applications and on acid wood, but away from corrosive agents (chlorides, sulphides, etc.).● SMALL ELEMENTS FASTENINGThe smaller diameter versions are ideal for fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for fastening tongue-and-groove boards. FIELDS OF USE• timber based panels• solid timber• glulam (Glued Laminated Timber)• CLT, LVL• high-density woods and acid woods  d1 4.5mm TX20 L 70mm b 40mm A 30mm Nominal Diameter (d1) 4.5mm Head Diameter 7.50mm Thread Diameter 2.80mm Shank Diameter 3.15mm Pre-Drilling Hole Diameter 2.5mm   For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● ENLARGED IMPRESSIONCompared to common carpentry screws, it has a larger Torx cavity: TX 25 for Ø4 and 4.5, TX 30 for Ø5. It is the right screw for users requiring strength and precision.● FASTENING ON TONGUE AND GROOVE BOARDSFor fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for application in joints. FIELDS OF USE• tongue-and-groove boards• timber based panels• fibreboard, MDF, HDF and LDF• plated and melamine faced panels• solid timber• glulam (Glued Laminated Timber)• CLT and LVL  d1 4.5mm TX25 L 70mm b 40mm A 30mm Nominal Diameter (d1) 4.5mm Head Diameter 9mm Thread Diameter 2.8mm Shank Diameter 3.15mm Pre-Drilling Hole Diameter 2.5mm For more detailed information, visit the Rothoblaas Datasheet page. 

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Available in Black (RAL 9005) for perfect colour uniformity with the panel.  Thanks to its flange head, partially threaded body and self-drilling tip, it is the appropriate screw for fastening façade panels (HPL, fibre cement sheets, etc.) on timber battens. A4 Stainless Steel for high corrosion resistance. Ideal for environments adjacent to the sea in corrosivity class C5 and for insertion on the most aggressive timbers in class T5.

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Available in Grey (RAL 7016) for perfect colour uniformity with the panel.  Thanks to its flange head, partially threaded body and self-drilling tip, it is the appropriate screw for fastening façade panels (HPL, fibre cement sheets, etc.) on timber battens. A4 Stainless Steel for high corrosion resistance. Ideal for environments adjacent to the sea in corrosivity class C5 and for insertion on the most aggressive timbers in class T5.

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Available in White (RAL 9010) for perfect colour uniformity with the panel.  Thanks to its flange head, partially threaded body and self-drilling tip, it is the appropriate screw for fastening façade panels (HPL, fibre cement sheets, etc.) on timber battens. A4 Stainless Steel for high corrosion resistance. Ideal for environments adjacent to the sea in corrosivity class C5 and for insertion on the most aggressive timbers in class T5.

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Available in Stainless Steel for perfect colour uniformity with the panel.  Thanks to its flange head, partially threaded body and self-drilling tip, it is the appropriate screw for fastening façade panels (HPL, fibre cement sheets, etc.) on timber battens. A4 Stainless Steel for high corrosion resistance. Ideal for environments adjacent to the sea in corrosivity class C5 and for insertion on the most aggressive timbers in class T5.

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Available in Black (RAL 9005) for perfect colour uniformity with the panel.  Thanks to its flange head, partially threaded body and self-drilling tip, it is the appropriate screw for fastening façade panels (HPL, fibre cement sheets, etc.) on timber battens. A4 Stainless Steel for high corrosion resistance. Ideal for environments adjacent to the sea in corrosivity class C5 and for insertion on the most aggressive timbers in class T5.

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Available in Grey (RAL 7016) for perfect colour uniformity with the panel.  Thanks to its flange head, partially threaded body and self-drilling tip, it is the appropriate screw for fastening façade panels (HPL, fibre cement sheets, etc.) on timber battens. A4 Stainless Steel for high corrosion resistance. Ideal for environments adjacent to the sea in corrosivity class C5 and for insertion on the most aggressive timbers in class T5.

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Available in Stainless Steel for perfect colour uniformity with the panel.  Thanks to its flange head, partially threaded body and self-drilling tip, it is the appropriate screw for fastening façade panels (HPL, fibre cement sheets, etc.) on timber battens. A4 Stainless Steel for high corrosion resistance. Ideal for environments adjacent to the sea in corrosivity class C5 and for insertion on the most aggressive timbers in class T5.

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● OUTDOOR ON ACID WOODMartensitic stainless steel. This stainless steels offers the highest mechanical performance compared to the other available stainless steels. Suitable for outdoor applications and on acid wood, but away from corrosive agents (chlorides, sulphides, etc.).● SMALL ELEMENTS FASTENINGThe smaller diameter versions are ideal for fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for fastening tongue-and-groove boards. FIELDS OF USE• timber based panels• solid timber• glulam (Glued Laminated Timber)• CLT, LVL• high-density woods and acid woods  d1 5mm TX25 L 100mm b 50mm A 50mm Nominal Diameter (d1) 5mm Head Diameter 8.50mm Thread Diameter 3.40mm Shank Diameter 3.65mm Pre-Drilling Hole Diameter 3.0mm Pre-Drilling Hole Diameter for Hardwood & Beech LVL 3.5mm   For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● ENLARGED IMPRESSIONCompared to common carpentry screws, it has a larger Torx cavity: TX 25 for Ø4 and 4.5, TX 30 for Ø5. It is the right screw for users requiring strength and precision.● FASTENING ON TONGUE AND GROOVE BOARDSFor fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for application in joints. FIELDS OF USE• tongue-and-groove boards• timber based panels• fibreboard, MDF, HDF and LDF• plated and melamine faced panels• solid timber• glulam (Glued Laminated Timber)• CLT and LVL  d1 5mm TX30 L 100mm b 50mm A 50mm Nominal Diameter (d1) 5mm Head Diameter 10mm Thread Diameter 3.40mm Shank Diameter 3.65mm Pre-Drilling Hole Diameter for softwood 3mm Pre-Drilling Hole Diameter for hardwood and beech LVL 3.5mm For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● ENLARGED IMPRESSIONCompared to common carpentry screws, it has a larger Torx cavity: TX 25 for Ø4 and 4.5, TX 30 for Ø5. It is the right screw for users requiring strength and precision.● FASTENING ON TONGUE AND GROOVE BOARDSFor fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for application in joints. FIELDS OF USE• tongue-and-groove boards• timber based panels• fibreboard, MDF, HDF and LDF• plated and melamine faced panels• solid timber• glulam (Glued Laminated Timber)• CLT and LVL  d1 5mm TX30 L 120mm b 60mm A 60mm Nominal Diameter (d1) 5mm Head Diameter 10mm Thread Diameter 3.40mm Shank Diameter 3.65mm Pre-Drilling Hole Diameter for softwood 3mm Pre-Drilling Hole Diameter for hardwood and beech LVL 3.5mm For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● OUTDOOR ON ACID WOODMartensitic stainless steel. This stainless steels offers the highest mechanical performance compared to the other available stainless steels. Suitable for outdoor applications and on acid wood, but away from corrosive agents (chlorides, sulphides, etc.).● SMALL ELEMENTS FASTENINGThe smaller diameter versions are ideal for fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for fastening tongue-and-groove boards. FIELDS OF USE• timber based panels• solid timber• glulam (Glued Laminated Timber)• CLT, LVL• high-density woods and acid woods  d1 5mm TX25 L 50mm b 24mm A 26mm Nominal Diameter (d1) 5mm Head Diameter 8.50mm Thread Diameter 3.40mm Shank Diameter 3.65mm Pre-Drilling Hole Diameter 3.0mm Pre-Drilling Hole Diameter for Hardwood & Beech LVL 3.5mm   For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● OUTDOOR ON ACID WOODMartensitic stainless steel. This stainless steels offers the highest mechanical performance compared to the other available stainless steels. Suitable for outdoor applications and on acid wood, but away from corrosive agents (chlorides, sulphides, etc.).● SMALL ELEMENTS FASTENINGThe smaller diameter versions are ideal for fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for fastening tongue-and-groove boards. FIELDS OF USE• timber based panels• solid timber• glulam (Glued Laminated Timber)• CLT, LVL• high-density woods and acid woods  d1 5mm TX25 L 50mm b 24mm A 26mm Nominal Diameter (d1) 5mm Head Diameter 8.50mm Thread Diameter 3.40mm Shank Diameter 3.65mm Pre-Drilling Hole Diameter 3.0mm Pre-Drilling Hole Diameter for Hardwood & Beech LVL 3.5mm   For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● ENLARGED IMPRESSIONCompared to common carpentry screws, it has a larger Torx cavity: TX 25 for Ø4 and 4.5, TX 30 for Ø5. It is the right screw for users requiring strength and precision.● FASTENING ON TONGUE AND GROOVE BOARDSFor fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for application in joints. FIELDS OF USE• tongue-and-groove boards• timber based panels• fibreboard, MDF, HDF and LDF• plated and melamine faced panels• solid timber• glulam (Glued Laminated Timber)• CLT and LVL  d1 5mm TX30 L 50mm b 24mm A 26mm Nominal Diameter (d1) 5mm Head Diameter 10mm Thread Diameter 3.40mm Shank Diameter 3.65mm Pre-Drilling Hole Diameter for softwood 3mm Pre-Drilling Hole Diameter for hardwood and beech LVL 3.5mm For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● OUTDOOR ON ACID WOODMartensitic stainless steel. This stainless steels offers the highest mechanical performance compared to the other available stainless steels. Suitable for outdoor applications and on acid wood, but away from corrosive agents (chlorides, sulphides, etc.).● SMALL ELEMENTS FASTENINGThe smaller diameter versions are ideal for fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for fastening tongue-and-groove boards. FIELDS OF USE• timber based panels• solid timber• glulam (Glued Laminated Timber)• CLT, LVL• high-density woods and acid woods  d1 5mm TX25 L 60mm b 30mm A 30mm Nominal Diameter (d1) 5mm Head Diameter 8.50mm Thread Diameter 3.40mm Shank Diameter 3.65mm Pre-Drilling Hole Diameter 3.0mm Pre-Drilling Hole Diameter for Hardwood & Beech LVL 3.5mm   For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● OUTDOOR ON ACID WOODMartensitic stainless steel. This stainless steels offers the highest mechanical performance compared to the other available stainless steels. Suitable for outdoor applications and on acid wood, but away from corrosive agents (chlorides, sulphides, etc.).● SMALL ELEMENTS FASTENINGThe smaller diameter versions are ideal for fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for fastening tongue-and-groove boards. FIELDS OF USE• timber based panels• solid timber• glulam (Glued Laminated Timber)• CLT, LVL• high-density woods and acid woods  d1 5mm TX25 L 60mm b 30mm A 30mm Nominal Diameter (d1) 5mm Head Diameter 8.50mm Thread Diameter 3.40mm Shank Diameter 3.65mm Pre-Drilling Hole Diameter 3.0mm Pre-Drilling Hole Diameter for Hardwood & Beech LVL 3.5mm   For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● ENLARGED IMPRESSIONCompared to common carpentry screws, it has a larger Torx cavity: TX 25 for Ø4 and 4.5, TX 30 for Ø5. It is the right screw for users requiring strength and precision.● FASTENING ON TONGUE AND GROOVE BOARDSFor fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for application in joints. FIELDS OF USE• tongue-and-groove boards• timber based panels• fibreboard, MDF, HDF and LDF• plated and melamine faced panels• solid timber• glulam (Glued Laminated Timber)• CLT and LVL  d1 5mm TX30 L 60mm b 30mm A 30mm Nominal Diameter (d1) 5mm Head Diameter 10mm Thread Diameter 3.40mm Shank Diameter 3.65mm Pre-Drilling Hole Diameter for softwood 3mm Pre-Drilling Hole Diameter for hardwood and beech LVL 3.5mm For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● OUTDOOR ON ACID WOODMartensitic stainless steel. This stainless steels offers the highest mechanical performance compared to the other available stainless steels. Suitable for outdoor applications and on acid wood, but away from corrosive agents (chlorides, sulphides, etc.).● SMALL ELEMENTS FASTENINGThe smaller diameter versions are ideal for fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for fastening tongue-and-groove boards. FIELDS OF USE• timber based panels• solid timber• glulam (Glued Laminated Timber)• CLT, LVL• high-density woods and acid woods  d1 5mm TX25 L 70mm b 35mm A 35mm Nominal Diameter (d1) 5mm Head Diameter 8.50mm Thread Diameter 3.40mm Shank Diameter 3.65mm Pre-Drilling Hole Diameter 3.0mm Pre-Drilling Hole Diameter for Hardwood & Beech LVL 3.5mm   For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● ENLARGED IMPRESSIONCompared to common carpentry screws, it has a larger Torx cavity: TX 25 for Ø4 and 4.5, TX 30 for Ø5. It is the right screw for users requiring strength and precision.● FASTENING ON TONGUE AND GROOVE BOARDSFor fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for application in joints. FIELDS OF USE• tongue-and-groove boards• timber based panels• fibreboard, MDF, HDF and LDF• plated and melamine faced panels• solid timber• glulam (Glued Laminated Timber)• CLT and LVL  d1 5mm TX30 L 70mm b 35mm A 35mm Nominal Diameter (d1) 5mm Head Diameter 10mm Thread Diameter 3.40mm Shank Diameter 3.65mm Pre-Drilling Hole Diameter for softwood 3mm Pre-Drilling Hole Diameter for hardwood and beech LVL 3.5mm For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● OUTDOOR ON ACID WOODMartensitic stainless steel. This stainless steels offers the highest mechanical performance compared to the other available stainless steels. Suitable for outdoor applications and on acid wood, but away from corrosive agents (chlorides, sulphides, etc.).● SMALL ELEMENTS FASTENINGThe smaller diameter versions are ideal for fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for fastening tongue-and-groove boards. FIELDS OF USE• timber based panels• solid timber• glulam (Glued Laminated Timber)• CLT, LVL• high-density woods and acid woods  d1 5mm TX25 L 80mm b 40mm A 40mm Nominal Diameter (d1) 5mm Head Diameter 8.50mm Thread Diameter 3.40mm Shank Diameter 3.65mm Pre-Drilling Hole Diameter 3.0mm Pre-Drilling Hole Diameter for Hardwood & Beech LVL 3.5mm   For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● ENLARGED IMPRESSIONCompared to common carpentry screws, it has a larger Torx cavity: TX 25 for Ø4 and 4.5, TX 30 for Ø5. It is the right screw for users requiring strength and precision.● FASTENING ON TONGUE AND GROOVE BOARDSFor fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for application in joints. FIELDS OF USE• tongue-and-groove boards• timber based panels• fibreboard, MDF, HDF and LDF• plated and melamine faced panels• solid timber• glulam (Glued Laminated Timber)• CLT and LVL  d1 5mm TX30 L 80mm b 40mm A 40mm Nominal Diameter (d1) 5mm Head Diameter 10mm Thread Diameter 3.40mm Shank Diameter 3.65mm Pre-Drilling Hole Diameter for softwood 3mm Pre-Drilling Hole Diameter for hardwood and beech LVL 3.5mm For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● ENLARGED IMPRESSIONCompared to common carpentry screws, it has a larger Torx cavity: TX 25 for Ø4 and 4.5, TX 30 for Ø5. It is the right screw for users requiring strength and precision.● FASTENING ON TONGUE AND GROOVE BOARDSFor fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for application in joints. FIELDS OF USE• tongue-and-groove boards• timber based panels• fibreboard, MDF, HDF and LDF• plated and melamine faced panels• solid timber• glulam (Glued Laminated Timber)• CLT and LVL  d1 5mm TX30 L 90mm b 45mm A 45mm Nominal Diameter (d1) 5mm Head Diameter 10mm Thread Diameter 3.40mm Shank Diameter 3.65mm Pre-Drilling Hole Diameter for softwood 3mm Pre-Drilling Hole Diameter for hardwood and beech LVL 3.5mm For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● OUTDOOR ON ACID WOODMartensitic stainless steel. This stainless steels offers the highest mechanical performance compared to the other available stainless steels. Suitable for outdoor applications and on acid wood, but away from corrosive agents (chlorides, sulphides, etc.).● SMALL ELEMENTS FASTENINGThe smaller diameter versions are ideal for fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for fastening tongue-and-groove boards. FIELDS OF USE• timber based panels• solid timber• glulam (Glued Laminated Timber)• CLT, LVL• high-density woods and acid woods  d1 6mm TX30 L 100mm b 50mm A 50mm Nominal Diameter (d1) 6mm Head Diameter 11mm Thread Diameter 3.95mm Shank Diameter 4.30mm Pre-Drilling Hole Diameter 4.0mm Pre-Drilling Hole Diameter for Hardwood & Beech LVL 4.0mm   For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● OUTDOOR ON ACID WOODMartensitic stainless steel. This stainless steels offers the highest mechanical performance compared to the other available stainless steels. Suitable for outdoor applications and on acid wood, but away from corrosive agents (chlorides, sulphides, etc.).● SMALL ELEMENTS FASTENINGThe smaller diameter versions are ideal for fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for fastening tongue-and-groove boards. FIELDS OF USE• timber based panels• solid timber• glulam (Glued Laminated Timber)• CLT, LVL• high-density woods and acid woods  d1 6mm TX30 L 120mm b 60mm A 60mm Nominal Diameter (d1) 6mm Head Diameter 11mm Thread Diameter 3.95mm Shank Diameter 4.30mm Pre-Drilling Hole Diameter 4.0mm Pre-Drilling Hole Diameter for Hardwood & Beech LVL 4.0mm   For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● OUTDOOR ON ACID WOODMartensitic stainless steel. This stainless steels offers the highest mechanical performance compared to the other available stainless steels. Suitable for outdoor applications and on acid wood, but away from corrosive agents (chlorides, sulphides, etc.).● SMALL ELEMENTS FASTENINGThe smaller diameter versions are ideal for fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for fastening tongue-and-groove boards. FIELDS OF USE• timber based panels• solid timber• glulam (Glued Laminated Timber)• CLT, LVL• high-density woods and acid woods  d1 6mm TX30 L 140mm b 75mm A 65mm Nominal Diameter (d1) 6mm Head Diameter 11mm Thread Diameter 3.95mm Shank Diameter 4.30mm Pre-Drilling Hole Diameter 4.0mm Pre-Drilling Hole Diameter for Hardwood & Beech LVL 4.0mm   For more detailed information, visit the Rothoblaas Datasheet page. 

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SHS 60° COUNTERSUNK SCREW● SMALL HEAD AND 3 THORNS TIPThe 60° head and 3 THORNS tip allow easy insertion of the screw into small thickness without creating openings in the timber.● OUTDOOR ON ACID WOODMartensitic stainless steel. This stainless steels offers the highest mechanical performance compared to the other available stainless steels. Suitable for outdoor applications and on acid wood, but away from corrosive agents (chlorides, sulphides, etc.).● SMALL ELEMENTS FASTENINGThe smaller diameter versions are ideal for fixing beads or small elements, the 3.5 mm diameter version is perfectly suited for fastening tongue-and-groove boards. FIELDS OF USE• timber based panels• solid timber• glulam (Glued Laminated Timber)• CLT, LVL• high-density woods and acid woods  d1 6mm TX30 L 80mm b 40mm A 40mm Nominal Diameter (d1) 6mm Head Diameter 11mm Thread Diameter 3.95mm Shank Diameter 4.30mm Pre-Drilling Hole Diameter 4.0mm Pre-Drilling Hole Diameter for Hardwood & Beech LVL 4.0mm   For more detailed information, visit the Rothoblaas Datasheet page. 

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 d1 7.5mm L 112mm  TX TX30 Click here to download the MBS Countersunk Screw Technical Data SheetMBS self-tapping frame screws are specifically engineered for the direct fixing of window frames, door frames, and subframes into solid and semi-solid building materials, including natural stone, solid and hollow concrete, lightweight and aerated concrete, solid brick, and hollow brick. Featuring a specialised HI-LOW thread design, these screws provide a secure fixing even when installed close to the edge of the substrate. The reduced installation stress helps minimise the risk of material damage while ensuring excellent holding strength. The through-fixing installation method also promotes even load distribution across the supporting structure for enhanced long-term performance. Manufactured from high-quality electro-galvanised carbon steel, MBS frame screws offer excellent durability and corrosion resistance for internal and protected external applications. The unique HI-LOW thread geometry reduces contact pressure within the substrate, allowing reliable anchorage without compromising the integrity of the surrounding material. The performance of MBS frame screws has been independently tested by the renowned IFT Rosenheim Institute for Window and Façade Technology, one of Europe's leading certification bodies for window and frame components. The countersunk head design allows the screw to sit neatly within PVC frames without damaging the profile, providing a clean finish and dependable performance under real-world service conditions. Suitable for use in both solid and semi-solid substrates, MBS self-tapping frame screws are designed for Service Classes SC1 and SC2. Their self-tapping design enables direct installation into masonry with minimal preparation, significantly reducing installation time while helping to improve accuracy on site. The result is a fast, secure, and dependable fixing solution for professional frame installation. MBS vs MBZ Frame Screws Choosing between MBS and MBZ frame screws depends primarily on the frame material and the required head style. MBS screws feature a countersunk head, making them the ideal choice for PVC and aluminium frames. The low-profile head sits flush with the frame, preventing damage to the frame profile while providing a neat, professional finish. MBZ screws are manufactured with a cylindrical head, specifically designed for timber frames. The head penetrates and remains recessed within the timber, delivering a discreet finish and excellent holding performance in solid wood applications. Which should you choose? PVC or aluminium frames: Choose MBS with its countersunk head for a flush, damage-free installation. Solid timber frames: Choose MBZ with its cylindrical head for secure anchorage and a recessed finish. Both screw types provide fast, reliable fixing into solid and semi-solid masonry substrates, but selecting the correct head design ensures optimum performance for your specific frame material.

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 d1 7.5mm L 112mm  TX TX30 Click here to download the MBZ Cylindrical Head Screw Technical Data Sheet MBZ self-tapping frame screws are specifically engineered for the direct fixing of window frames, door frames, and subframes into solid and semi-solid building materials, including natural stone, solid and hollow concrete, lightweight and aerated concrete, solid brick, and hollow brick. Featuring a specialised HI-LOW thread design, these screws provide a secure fixing even when installed close to the edge of the substrate. The reduced installation stress helps minimise the risk of material damage while ensuring excellent holding strength. The through-fixing installation method also promotes even load distribution across the supporting structure for enhanced long-term performance. Manufactured from high-quality electro-galvanised carbon steel, MBS frame screws offer excellent durability and corrosion resistance for internal and protected external applications. The unique HI-LOW thread geometry reduces contact pressure within the substrate, allowing reliable anchorage without compromising the integrity of the surrounding material. The performance of MBZ frame screws has been independently tested by the renowned IFT Rosenheim Institute for Window and Façade Technology, one of Europe's leading certification bodies for window and frame components. The countersunk head design allows the screw to sit neatly within PVC frames without damaging the profile, providing a clean finish and dependable performance under real-world service conditions. Suitable for use in both solid and semi-solid substrates, MBZ self-tapping frame screws are designed for Service Classes SC1 and SC2. Their self-tapping design enables direct installation into masonry with minimal preparation, significantly reducing installation time while helping to improve accuracy on site. The result is a fast, secure, and dependable fixing solution for professional frame installation. MBZ vs MBS Frame Screws Choosing between MBZ and MBS frame screws depends primarily on the frame material and the required head style. MBZ screws are manufactured with a cylindrical head, specifically designed for timber frames. The head penetrates and remains recessed within the timber, delivering a discreet finish and excellent holding performance in solid wood applications.MBS screws feature a countersunk head, making them the ideal choice for PVC and aluminium frames. The low-profile head sits flush with the frame, preventing damage to the frame profile while providing a neat, professional finish. Which should you choose? PVC or aluminium frames: Choose MBS with its countersunk head for a flush, damage-free installation. Solid timber frames: Choose MBZ with its cylindrical head for secure anchorage and a recessed finish. Both screw types provide fast, reliable fixing into solid and semi-solid masonry substrates, but selecting the correct head design ensures optimum performance for your specific frame material.

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 d1 7.5mm L 52mm  TX TX30 Click here to download the MBS Countersunk Screw Technical Data Sheet MBS self-tapping frame screws are specifically engineered for the direct fixing of window frames, door frames, and subframes into solid and semi-solid building materials, including natural stone, solid and hollow concrete, lightweight and aerated concrete, solid brick, and hollow brick. Featuring a specialised HI-LOW thread design, these screws provide a secure fixing even when installed close to the edge of the substrate. The reduced installation stress helps minimise the risk of material damage while ensuring excellent holding strength. The through-fixing installation method also promotes even load distribution across the supporting structure for enhanced long-term performance. Manufactured from high-quality electro-galvanised carbon steel, MBS frame screws offer excellent durability and corrosion resistance for internal and protected external applications. The unique HI-LOW thread geometry reduces contact pressure within the substrate, allowing reliable anchorage without compromising the integrity of the surrounding material. The performance of MBS frame screws has been independently tested by the renowned IFT Rosenheim Institute for Window and Façade Technology, one of Europe's leading certification bodies for window and frame components. The countersunk head design allows the screw to sit neatly within PVC frames without damaging the profile, providing a clean finish and dependable performance under real-world service conditions. Suitable for use in both solid and semi-solid substrates, MBS self-tapping frame screws are designed for Service Classes SC1 and SC2. Their self-tapping design enables direct installation into masonry with minimal preparation, significantly reducing installation time while helping to improve accuracy on site. The result is a fast, secure, and dependable fixing solution for professional frame installation. MBS vs MBZ Frame Screws Choosing between MBS and MBZ frame screws depends primarily on the frame material and the required head style. MBS screws feature a countersunk head, making them the ideal choice for PVC and aluminium frames. The low-profile head sits flush with the frame, preventing damage to the frame profile while providing a neat, professional finish. MBZ screws are manufactured with a cylindrical head, specifically designed for timber frames. The head penetrates and remains recessed within the timber, delivering a discreet finish and excellent holding performance in solid wood applications. Which should you choose? PVC or aluminium frames: Choose MBS with its countersunk head for a flush, damage-free installation. Solid timber frames: Choose MBZ with its cylindrical head for secure anchorage and a recessed finish. Both screw types provide fast, reliable fixing into solid and semi-solid masonry substrates, but selecting the correct head design ensures optimum performance for your specific frame material.

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