M (Metric)

Material Stainless Steel (A2) Finish Natural Manufacturing Standard DIN 125 - Form A For Use With Thread Size M1.6 (1.6mm) Internal Diameter (ID) 1.7mm External Diameter (OD) 4mm External Diameter (OD) Tolerance +0/-0.3mm Thickness (T) 0.35mm Thickness (T) Tolerance +0/-0.1mm   See a problem with this specification? Let us know.

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Material Stainless Steel A2 Finish Natural Manufacturing Standard DIN 912 Screw Thread Pitch 1.75mm Thread M12 (12mm), Right Hand Thread Socket / Allen Key Size (J) 10mm Head Diameter [Max] (D) 18mm Head Length [Max] (H) 12mm Precision-engineered and built to last, these M12 x 20mm Socket Cap Head Screws (DIN 912) are a reliable fastening solution for high-strength applications across engineering, construction, automotive, and machinery assembly.

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Material Stainless Steel A2 Finish Natural Manufacturing Standard DIN 912 Screw Thread Pitch 1.75mm Thread M12 (12mm), Right Hand Thread Socket / Allen Key Size (J) 10mm Head Diameter [Max] (D) 18mm Head Length [Max] (H) 12mm Precision-engineered and built to last, these M12 x 25mm Socket Cap Head Screws (DIN 912) are a reliable fastening solution for high-strength applications across engineering, construction, automotive, and machinery assembly.

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Material Stainless Steel A2 Finish Natural Manufacturing Standard DIN 912 Screw Thread Pitch 1.75mm Thread M12 (12mm), Right Hand Thread Socket / Allen Key Size (J) 10mm Head Diameter [Max] (D) 18mm Head Length [Max] (H) 12mm Precision-engineered and built to last, these M12 x 30mm Socket Cap Head Screws (DIN 912) are a reliable fastening solution for high-strength applications across engineering, construction, automotive, and machinery assembly.

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Material Stainless Steel A2 Finish Natural Manufacturing Standard DIN 912 Screw Thread Pitch 1.75mm Thread M12 (12mm), Right Hand Thread Socket / Allen Key Size (J) 10mm Head Diameter [Max] (D) 18mm Head Length [Max] (H) 12mm Precision-engineered and built to last, these M12 x 40mm Socket Cap Head Screws (DIN 912) are a reliable fastening solution for high-strength applications across engineering, construction, automotive, and machinery assembly.

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Material Stainless Steel A2 Finish Natural Manufacturing Standard DIN 912 Screw Thread Pitch 1.75mm Thread M12 (12mm), Right Hand Thread Socket / Allen Key Size (J) 10mm Head Diameter [Max] (D) 18mm Head Length [Max] (H) 12mm Precision-engineered and built to last, these M12 x 50mm Socket Cap Head Screws (DIN 912) are a reliable fastening solution for high-strength applications across engineering, construction, automotive, and machinery assembly.

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Material Stainless Steel (A2) Finish Natural Manufacturing Standard DIN 916 Screw Thread Pitch 0.4mm Thread M2 (2mm), Right Hand Thread Socket Head Across Flats / Allen Key Size (J) 0.9mm Cup Diameter (D) 0.75mm-1mm Socket Head Depth [Min] (P) 0.8mm   See a problem with this specification? Let us know.

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Material Stainless Steel (A2) Finish Natural Manufacturing Standard DIN 913 Screw Thread Pitch 0.4mm Thread M2 (2mm), Right Hand Thread Socket Head Across Flats / Allen Key Size (J) 0.9mm Socket Head Depth [Min] (P) 0.8mm   See a problem with this specification? Let us know.

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Material Plastic Polyamide Nylon 6.6 Manufacturing Standard DIN 125 - Form A For Use With Thread Size M2 (2mm) Internal Diameter (ID) 2.2mm External Diameter (OD) 5mm External Diameter (OD) Tolerance +0/-0.3mm Thickness (T) 0.35mm Thickness (T) Tolerance +0/-0.1mm See a problem with this specification? Let us know.

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Material Brass Finish Natural Manufacturing Standard DIN 125 - Form A For Use With Thread Size M2 (2mm) Internal Diameter (ID) 2.2mm External Diameter (OD) 5mm External Diameter (OD) Tolerance +0/-0.3mm Thickness (T) 0.35mm Thickness (T) Tolerance +0/-0.1mm   See a problem with this specification? Let us know.

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Material Stainless Steel (A2) Finish Natural Manufacturing Standard DIN 125 - Form A For Use With Thread Size M2 (2mm) Internal Diameter (ID) 2.2mm External Diameter (OD) 5mm External Diameter (OD) Tolerance +0/-0.3mm Thickness (T) 0.35mm Thickness (T) Tolerance +0/-0.1mm   See a problem with this specification? Let us know.

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Material Stainless Steel (A4) Finish Natural Manufacturing Standard DIN 125 - Form A For Use With Thread Size M2 (2mm) Internal Diameter (ID) 2.2mm External Diameter (OD) 5mm External Diameter (OD) Tolerance +0/-0.3mm Thickness (T) 0.35mm Thickness (T) Tolerance +0/-0.1mm   See a problem with this specification? Let us know.

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Material Steel Finish Zinc Plated Manufacturing Standard DIN 125 - Form A For Use With Thread Size M2 (2mm) Internal Diameter (ID) 2.2mm External Diameter (OD) 5mm External Diameter (OD) Tolerance +0/-0.3mm Thickness (T) 0.35mm Thickness (T) Tolerance +0/-0.1mm   See a problem with this specification? Let us know.

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Material Stainless Steel (A2) Finish Natural Manufacturing Standard DIN 934 For Use With Thread Size M2 (2mm), Right Hand Screw Thread Pitch 0.4mm Nut Thickness (M) 1.6mm Nut Width A/F (S) 4mm   M2 Hexagon Nuts are small hexagonal nuts with an M2 thread size, conforming to the DIN 934 standard, and made from Stainless Steel grade A2, which is commonly used for general-purpose applications where corrosion resistance is required. These nuts are typically used with M2 screws or bolts, and they have a hexagonal shape, which allows for easy tightening and loosening using a wrench or a socket tool.

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Material Stainless Steel (A4) Finish Natural Manufacturing Standard DIN 934 For Use With Thread Size M2 (2mm), Right Hand Thread Screw Thread Pitch 0.4mm Nut Thickness (T) 1.6mm Nut Thickness (T) Tolerance +0/-0.25mm Nut Width A/F (J) 4mm Nut Width A/F (J) Tolerance +0/-0.18mm   See a problem with this specification? Let us know.

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Material Brass Finish Natural Manufacturing Standard DIN 934 For Use With Thread Size M2 (2mm), Right Hand Thread Screw Thread Pitch 0.4mm Nut Thickness (T) 1.6mm Nut Thickness (T) Tolerance +0/-0.25mm Nut Width A/F (J) 4mm Nut Width A/F (J) Tolerance +0/-0.18mm  

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Material Stainless Steel (A2) Finish Natural Manufacturing Standard DIN 985 For Use With Thread Size M2 (2mm), Right Hand Thread Screw Thread Pitch 0.40mm Insert Material Nylon Nut Width A/F (S) [Max] 4mm Hexagon Height (H) [Min] 1.6mm   The M2 Hexagon Nylon Locking Nuts (DIN 985) in Stainless Steel (A2) are designed for securing fasteners in small-scale applications where durability and vibration resistance are crucial. Featuring a nylon insert, these nuts prevent loosening, even in environments with frequent movement or vibrations. Made from A2 stainless steel, they offer excellent corrosion resistance and long-lasting performance. Compliant with DIN 985 standards, these locking nuts are perfect for use in electronics, engineering, and precision instruments, providing reliable fastening solutions in harsh conditions.

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Material High Tensile Steel (12.9) Finish Self Colour Manufacturing Standard DIN 912 Screw Thread Pitch 0.4mm Thread M2 (2mm), Right Hand Thread Socket / Allen Key Size (J) 1.5mm Head Diameter [Max] (D) 3.8mm Head Diameter (D) Tolerance +0/-0.18mm Head Length [Max] (H) 2mm Head Length (H) Tolerance +0/-0.14mm Hexagon Depth (P) 1mm    See a problem with this specification? Let us know.

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Material Stainless Steel (A2) Finish Natural Manufacturing Standard DIN 912 Screw Thread Pitch 0.4mm Thread M2 (2mm), Right Hand Thread Socket / Allen Key Size (J) 1.5mm Head Diameter [Max] (D) 3.8mm Head Diameter (D) Tolerance +0/-0.18mm Head Length [Max] (H) 2mm Head Length (H) Tolerance +0/-0.14mm Hexagon Depth (P) 1mm    See a problem with this specification? Let us know.

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Slotted countersunk screws are a type of fastener with a slotted drive and a countersunk (also known as a flat or flush) head. The slotted drive has a single straight slot across the head of the screw, which is designed to be turned using a flathead screwdriver. The countersunk head has an angled shape that allows the screw to sit flush with the surface it is fastened to, making it ideal for applications where a smooth, flush finish is desired.   Material Stainless Steel (A2) Finish Natural Manufacturing Standard DIN 963 Screw Thread Pitch 0.4mm Thread M2 (2mm), Right Hand Thread Countersunk Angle (CA) 90 Degrees (+2/-0) Head Length (H) 1.2mm Maximum Head Diameter (D) 3.8mm Slot Depth (F) 0.6mm Slot Width (A) 0.5mm   For larger quantities or sizes not listed, please email frank@franksfasteners.co.uk and we will be happy to provide you with a quotation.

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Slotted countersunk screws are a type of fastener with a slotted drive and a countersunk (also known as a flat or flush) head. The slotted drive has a single straight slot across the head of the screw, which is designed to be turned using a flathead screwdriver. The countersunk head has an angled shape that allows the screw to sit flush with the surface it is fastened to, making it ideal for applications where a smooth, flush finish is desired.   Material Stainless Steel (A2) Finish Natural Manufacturing Standard DIN 963 Screw Thread Pitch 0.4mm Thread M2 (2mm), Right Hand Thread Countersunk Angle (CA) 90 Degrees (+2/-0) Head Length (H) 1.2mm Maximum Head Diameter (D) 3.8mm Slot Depth (F) 0.6mm Slot Width (A) 0.5mm   For larger quantities or sizes not listed, please email frank@franksfasteners.co.uk and we will be happy to provide you with a quotation.

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Material Stainless Steel (A2) Finish Natural Manufacturing Standard DIN 916 Screw Thread Pitch 0.45mm Thread M2.5 (2.5mm), Right Hand Thread Socket Head Across Flats / Allen Key Size (J) 1.3mm (1.270mm-1.300mm) Cup Diameter (D) 0.95mm-1.2mm Socket Head Depth [Min] (P) 1.2mm   See a problem with this specification? Let us know.

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Material Stainless Steel (A2) Finish Natural Manufacturing Standard DIN 913 Screw Thread Pitch 0.45mm Thread M2.5 (2.5mm), Right Hand Thread Socket Head Across Flats / Allen Key Size (J) 1.3mm Socket Head Depth [Min] (P) 1.2mm   See a problem with this specification? Let us know.

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Material Brass Finish Natural Manufacturing Standard DIN 125 - Form A For Use With Thread Size M2.5 (2.5mm) Internal Diameter (ID) 2.7mm External Diameter (OD) 6mm External Diameter (OD) Tolerance +0/-0.3mm Thickness (T) 0.55mm Thickness (T) Tolerance +0/-0.1mm   See a problem with this specification? Let us know.

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Material Stainless Steel (A2) Finish Natural Manufacturing Standard DIN 125 - Form A For Use With Thread Size M2.5 (2.5mm) Internal Diameter (ID) 2.7mm External Diameter (OD) 6mm External Diameter (OD) Tolerance +0/-0.3mm Thickness (T) 0.55mm Thickness (T) Tolerance +0/-0.1mm   See a problem with this specification? Let us know.

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Material Stainless Steel (A4) Finish Natural Manufacturing Standard DIN 125 - Form A For Use With Thread Size M2.5 (2.5mm) Internal Diameter (ID) 2.7mm External Diameter (OD) 6mm External Diameter (OD) Tolerance +0/-0.3mm Thickness (T) 0.55mm Thickness (T) Tolerance +0/-0.1mm   See a problem with this specification? Let us know.

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Material Steel Finish Zinc Plated Manufacturing Standard DIN 125 - Form A For Use With Thread Size M2.5 (2.5mm) Internal Diameter (ID) 2.7mm External Diameter (OD) 6mm External Diameter (OD) Tolerance +0/-0.3mm Thickness (T) 0.55mm Thickness (T) Tolerance +0/-0.1mm  

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Material Stainless Steel (A2) Finish Natural Manufacturing Standard DIN 934 For Use With Thread Size M2.5 (2.5mm), Right Hand Screw Thread Pitch 0.45mm Nut Thickness (M) 2mm Nut Width A/F (S) 5mm   M2.5 Hexagon Nuts are small hexagonal nuts with an M2.5 thread size, conforming to the DIN 934 standard, and made from Stainless Steel grade A2, which is commonly used for general-purpose applications where corrosion resistance is required. These nuts are typically used with M2.5 screws or bolts, and they have a hexagonal shape, which allows for easy tightening and loosening using a wrench or a socket tool.

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Material Stainless Steel (A4) Finish Natural Manufacturing Standard DIN 934 For Use With Thread Size M2.5 (2.5mm), Right Hand Thread Screw Thread Pitch 0.45mm Nut Thickness (T) 2mm Nut Thickness (T) Tolerance +0/-0.25mm Nut Width A/F (J) 5mm Nut Width A/F (J) Tolerance +0/-0.18mm   See a problem with this specification? Let us know.

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Material Brass Finish Natural Manufacturing Standard DIN 934 For Use With Thread Size M2.5 (2.5mm), Right Hand Thread Screw Thread Pitch 0.45mm Nut Thickness (T) 2mm Nut Thickness (T) Tolerance +0/-0.25mm Nut Width A/F (J) 5mm Nut Width A/F (J) Tolerance +0/-0.18mm   See a problem with this specification? Let us know.

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Material Stainless Steel (A2) Finish Natural Manufacturing Standard DIN 985 For Use With Thread Size M2.5 (2.5mm), Right Hand Thread Screw Thread Pitch 0.45mm Insert Material Nylon Nut Width A/F (S) [Max] 5mm Hexagon Height (H) [Min] 2mm   The M2.5 Hexagon Nylon Locking Nuts (DIN 985) in Stainless Steel (A2) are designed for securing fasteners in small-scale applications where durability and vibration resistance are crucial. Featuring a nylon insert, these nuts prevent loosening, even in environments with frequent movement or vibrations. Made from A2 stainless steel, they offer excellent corrosion resistance and long-lasting performance. Compliant with DIN 985 standards, these locking nuts are perfect for use in electronics, engineering, and precision instruments, providing reliable fastening solutions in harsh conditions.

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Material Stainless Steel (A2) Finish CB10 Manufacturing Standard DIN 985 For Use With Thread Size M2.5 (2.5mm), Right Hand Thread Screw Thread Pitch 0.45mm Insert Material Nylon Nut Width A/F (S) 5mm Hexagon Height (H) 3.5mm   The M3 Hexagon Nylon Locking Nuts (DIN 985) in Black Stainless Steel (A2) offer excellent strength and corrosion resistance, with a sleek black finish for added aesthetic appeal. These nuts feature a nylon insert that securely grips the bolt, preventing loosening due to vibrations. Compliant with DIN 985 standards, they are ideal for a wide range of applications, from automotive and industrial machinery to construction projects. The black A2 stainless steel enhances both durability and visual appeal, making them a premium choice for demanding environments.

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Material High Tensile Steel (12.9) Finish Self Colour Manufacturing Standard DIN 912 Screw Thread Pitch 0.45mm Thread M2.5 (2.5mm), Right Hand Thread Socket / Allen Key Size (J) 2mm Head Diameter [Max] (D) 4.5mm Head Diameter (D) Tolerance +0/-0.18mm Head Length [Max] (H) 2.5mm Head Length (H) Tolerance +0/-0.14mm Hexagon Depth (P) 1.1mm    See a problem with this specification? Let us know.

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Material Stainless Steel (A2) Finish Natural Manufacturing Standard DIN 912 Screw Thread Pitch 0.45mm Thread M2.5 (2.5mm), Right Hand Thread Socket / Allen Key Size (J) 2mm Head Diameter [Max] (D) 4.5mm Head Diameter (D) Tolerance +0/-0.18mm Head Length [Max] (H) 2.5mm Head Length (H) Tolerance +0/-0.14mm Hexagon Depth (P) 1.1mm    See a problem with this specification? Let us know.

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High torque security screws with incorporated flange head design for enhanced load distribution System Zero® is a Level 3 'Medium Security' fastener, with the ability to be installed and removed using the matching driver tool. The unique head design, in combination with the driver, gives a high torque transmission which in turn generates high clamp loads. The innovative external non-slip drive head features indentations that have been crafted to ensure optimal grip when used with the matching security tooling, facilitating seamless high torque fastening and removal. The incorporated flange design efficiently spreads the load when attaching plastic components, enhancing stability and durability. Driver Size: SZ3

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High torque security screws with incorporated flange head design for enhanced load distribution System Zero® is a Level 3 'Medium Security' fastener, with the ability to be installed and removed using the matching driver tool. The unique head design, in combination with the driver, gives a high torque transmission which in turn generates high clamp loads. The innovative external non-slip drive head features indentations that have been crafted to ensure optimal grip when used with the matching security tooling, facilitating seamless high torque fastening and removal. The incorporated flange design efficiently spreads the load when attaching plastic components, enhancing stability and durability. Driver Size: SZ3

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Stainless Steel Armour Ring™ A simple conical collar which renders a standard hexagon nut or bolt tamper resistant. The Armour Ring™ can be applied to any British or DIN standard hexagon nuts or bolts using a standard hammer. It leaves a smooth clean finish which is often favoured by Health & Safety executives and isn't governed by a torque level like some one-way fasteners. Has been Home Office approved Also stocked in Steel Zinc Plated (CR-3)

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High security removable nut with a unique 'Scroll' drive. The rounded design of this nut gives no sharp angles to provide grip for normal hand tools. It can only be installed and removed using the matching Scroll™ driver socket. The patented Scroll™ design is interesting and pleasing to the eye. Driver Size: SC20 Stocked in 303 S31 Stainless Steel The smallest and largest security nut available from stock - M3 to M30 Scroll™ drive available to order in bolt form

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The Shear System is a high security permanent fastener. Shear Nuts have a hexagon part which shears off at a predetermined torque. Installed using standard hex socket or spanner. Once installed, the Shear Nut leaves a tamper resistant cone. 

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The Shear System is a high security permanent fastener. Shear Nuts have a hexagon part which shears off at a predetermined torque. Installed using standard hex socket or spanner. Once installed, the Shear Nut leaves a tamper resistant cone. 

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The Shear System is a high security permanent fastener. Shear Nuts have a hexagon part which shears off at a predetermined torque. Installed using standard hex socket or spanner. Once installed, the Shear Nut leaves a tamper resistant cone. 

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Compression Washers are made of Copper and are designed for applications where a reliable seal, corrosion resistance, and conductivity are important considerations. This type of washer is designed to compress when tightened. This feature allows it to create a tight seal, particularly in applications where preventing fluid leakage is essential. Material Copper For Use With Thread Size M20 (20mm) Internal Diameter (ID) 21mm External Diameter (OD) 26mm Thickness (T) 2mm  

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Upgrade your fastening solutions with our premium M20 x 40mm Fully Threaded Metric Hexagon Head Bolt, manufactured to DIN 933 standards. Made from high tensile Class 8.8 steel, this bolt is built for strength, reliability, and performance in demanding applications. The zinc plated yellow passivated finish offers enhanced corrosion resistance, making it ideal for both indoor and outdoor use. Its fully threaded shank allows for maximum grip and secure fixing, especially in situations where adjustable clamping force is needed. Key Features: Size: M20 x 40mm Thread: Fully Threaded Metric Coarse Standard: DIN 933 / ISO 4017 Finish: Zinc Plated Yellow Passivated Material: High Tensile Steel – Grade 8.8 Head Type: Hexagon for easy tightening with standard spanners or sockets Ideal for use in: construction, engineering, automotive, and general-purpose applications Ensure structural integrity and long-lasting performance with these professional-grade hex bolts.

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Compression Washers are made of Copper and are designed for applications where a reliable seal, corrosion resistance, and conductivity are important considerations. This type of washer is designed to compress when tightened. This feature allows it to create a tight seal, particularly in applications where preventing fluid leakage is essential. Material Vulcanised Cotton For Use With Thread Size M22 (22mm) Internal Diameter (ID) 23mm External Diameter (OD) 27mm Thickness (T) 2mm  

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Stainless Steel Scroll™ Nut High security removable nut with a unique 'Scroll' drive. The rounded design of this nut gives no sharp angles to provide grip for normal hand tools. It can only be installed and removed using the matching Scroll™ driver socket. The patented Scroll™ design is interesting and pleasing to the eye. Driver Size: SC24 Stocked in 303 S31 Stainless Steel The smallest and largest security nut available from stock - M3 to M30 Scroll™ drive available to order in bolt form

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The Shear System is a high security permanent fastener. Shear Nuts have a hexagon part which shears off at a predetermined torque. Installed using standard hex socket or spanner. Once installed, the Shear Nut leaves a tamper resistant cone. 

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The Shear System is a high security permanent fastener. Shear Nuts have a hexagon part which shears off at a predetermined torque. Installed using standard hex socket or spanner. Once installed, the Shear Nut leaves a tamper resistant cone. 

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Upgrade your fastening game with these precision-engineered M4 x 10mm flange socket button screws, manufactured to ISO 7380-2 standards for reliability, consistency, and performance in demanding applications. Designed with an integrated flange head, these screws provide a wider bearing surface, distributing load more evenly and reducing the need for washers. The low-profile button head delivers a clean, professional finish while maintaining strong clamping force. Crafted from high tensile steel (Grade 10.9), these fasteners offer exceptional strength and durability, making them ideal for mechanical, automotive, industrial, and DIY applications. The zinc-plated finish adds a protective layer against corrosion, extending service life even in moderately harsh environments. Size: M4 x 10mm Standard: ISO 7380-2 (Flange Button Head Socket Screws) Material: High Tensile Steel Grade: 10.9 for superior strength Finish: Zinc Plated for corrosion resistance Head Type: Flange Button Head (built-in washer effect) Drive Type: Hex Socket (Allen key) Perfect for use in: Automotive assemblies Machinery and equipment Electronics enclosures Furniture and fittings General engineering projects

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