Washers

This washer is classified as a USS (United States Standard) Type flat washer. USS washers generally have a larger outside diameter compared to SAE washers and has a nominal Inside Diameter of 1/2". Note: This product does not meet our usual quality standards. However, it is still fully functional and can be used effectively if minor blemishes or signs of corrosion are not a concern for you.

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Lock it down with confidence. These 1/2" rectangular spring washers are built to keep your fastenings tight, secure, and resistant to loosening under vibration or load.Designed to act like a tiny coiled guardian, each washer applies continuous pressure once installed, helping to stop nuts and bolts from backing out over time. The rectangular profile provides a solid grip and consistent load distribution, making them ideal for both industrial and general-purpose use.

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Lock it down with confidence. These 1/4" rectangular spring washers are built to keep your fastenings tight, secure, and resistant to loosening under vibration or load.Designed to act like a tiny coiled guardian, each washer applies continuous pressure once installed, helping to stop nuts and bolts from backing out over time. The rectangular profile provides a solid grip and consistent load distribution, making them ideal for both industrial and general-purpose use.

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Material Stainless Steel (A2) Finish Natural Manufacturing Standard Table 1 For Use With Thread Size 2BA Internal Diameter (In) [d1] 0.197 External Diameter (In) [d2]  0.386 Thickness (In) [h] 0.032  

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Lock it down with confidence. These 3/16" rectangular spring washers are built to keep your fastenings tight, secure, and resistant to loosening under vibration or load.Designed to act like a tiny coiled guardian, each washer applies continuous pressure once installed, helping to stop nuts and bolts from backing out over time. The rectangular profile provides a solid grip and consistent load distribution, making them ideal for both industrial and general-purpose use.

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Lock it down with confidence. These 3/4" rectangular spring washers are built to keep your fastenings tight, secure, and resistant to loosening under vibration or load.Designed to act like a tiny coiled guardian, each washer applies continuous pressure once installed, helping to stop nuts and bolts from backing out over time. The rectangular profile provides a solid grip and consistent load distribution, making them ideal for both industrial and general-purpose use.

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Lock it down with confidence. These 3/8" rectangular spring washers are built to keep your fastenings tight, secure, and resistant to loosening under vibration or load.Designed to act like a tiny coiled guardian, each washer applies continuous pressure once installed, helping to stop nuts and bolts from backing out over time. The rectangular profile provides a solid grip and consistent load distribution, making them ideal for both industrial and general-purpose use.

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Material Stainless Steel (A2) Finish Natural Manufacturing Standard Table 1 For Use With Thread Size 4BA Internal Diameter (In) [d1] 0.152 External Diameter (In) [d2]  0.296 Thickness (In) [h] 0.028  

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Lock it down with confidence. These 5/16" rectangular spring washers are built to keep your fastenings tight, secure, and resistant to loosening under vibration or load.Designed to act like a tiny coiled guardian, each washer applies continuous pressure once installed, helping to stop nuts and bolts from backing out over time. The rectangular profile provides a solid grip and consistent load distribution, making them ideal for both industrial and general-purpose use.

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Lock it down with confidence. These 5/8" rectangular spring washers are built to keep your fastenings tight, secure, and resistant to loosening under vibration or load.Designed to act like a tiny coiled guardian, each washer applies continuous pressure once installed, helping to stop nuts and bolts from backing out over time. The rectangular profile provides a solid grip and consistent load distribution, making them ideal for both industrial and general-purpose use.

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Material Stainless Steel (A2) Finish Natural Manufacturing Standard Table 1 For Use With Thread Size 6BA Internal Diameter (In) [d1] 0.118 External Diameter (In) [d2]  0.228 Thickness (In) [h] 0.024  

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Lock it down with confidence. These 7/16" rectangular spring washers are built to keep your fastenings tight, secure, and resistant to loosening under vibration or load.Designed to act like a tiny coiled guardian, each washer applies continuous pressure once installed, helping to stop nuts and bolts from backing out over time. The rectangular profile provides a solid grip and consistent load distribution, making them ideal for both industrial and general-purpose use.

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Material Stainless Steel (A2) Finish Natural Manufacturing Standard Table 1 For Use With Thread Size 8BA Internal Diameter (In) [d1] 0.094 External Diameter (In) [d2]  0.18 Thickness (In) [h] 0.02  

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This washer is classified as a USS (United States Standard) Type flat washer. USS washers generally have a larger outside diameter compared to SAE washers and has a nominal Inside Diameter of 9/16". Note: This product does not meet our usual quality standards. However, it is still fully functional and can be used effectively if minor blemishes or signs of corrosion are not a concern for you.

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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 Plastic Polyamide Nylon 6.6 Manufacturing Standard DIN 125 - Form A For Use With Thread Size M10 (10mm) Internal Diameter (ID) 10.5mm External Diameter (OD) 20mm External Diameter (OD) Tolerance +0/-0.52mm Thickness (T) 2.2mm Thickness (T) Tolerance +0/-0.4mm 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 M10 (10mm) Internal Diameter (ID) 10.5mm External Diameter (OD) 20mm External Diameter (OD) Tolerance +0/-0.52mm Thickness (T) 2.2mm Thickness (T) Tolerance +0/-0.4mm   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 M10 (10mm) Internal Diameter (ID) 10.5mm External Diameter (OD) 20mm External Diameter (OD) Tolerance +0/-0.52mm Thickness (T) 2.2mm Thickness (T) Tolerance +0/-0.4mm   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 M10 (10mm) Internal Diameter (ID) 10.5mm External Diameter (OD) 20mm External Diameter (OD) Tolerance +0/-0.52mm Thickness (T) 2.2mm Thickness (T) Tolerance +0/-0.4mm   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 M10 (10mm) Internal Diameter (ID) 10.5mm External Diameter (OD) 20mm External Diameter (OD) Tolerance +0/-0.52mm Thickness (T) 2.2mm Thickness (T) Tolerance +0/-0.4mm  

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Material Stainless Steel (A2) Finish CB10 Manufacturing Standard DIN 125 - Form A For Use With Thread Size M10 (10mm) Internal Diameter (ID) 10.5mm External Diameter (OD) 20mm External Diameter (OD) Tolerance +0/-0.52mm Thickness (T) 2.2mm Thickness (T) Tolerance +0/-0.4mm   See a problem with this specification? Let us know.

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Material Stainless Steel (A2) Finish CB10 Manufacturing Standard DIN 125 - Form C For Use With Thread Size M10 (10mm) Internal Diameter (ID) 10.5mm External Diameter (OD) 24mm Thickness (T) 2.2mm  

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Material Steel Finish Zinc Plated Yellow Passivated Manufacturing Standard NF E25-513 - Form M For Use With Thread Size M10 (10mm) Internal Diameter (ID) 10.5mm External Diameter (OD) 22mm Thickness (T) 2mm  

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Material Stainless Steel (A2) Finish Natural Manufacturing Standard DIN 6798 A For Use With Thread Size M10 (10mm) Internal Diameter (D1) 10.5mm External Diameter (D2) 18mm Thickness (H) 2.7mm   M8 Serrated Lock Washer with External Teeth (DIN 6798 A) -Stainless Steel (A2), providing enhanced grip and corrosion resistance. It is ideal for applications requiring secure fastening with anti-vibration properties.

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Material Steel Finish Zinc Plated Yellow Passivated Manufacturing Standard DIN 6798 A For Use With Thread Size M10 (10mm) Internal Diameter (D1) 10.5mm External Diameter (D2) 18mm Thickness (H) 2.7mm   M8 Serrated Lock Washer with External Teeth (DIN 6798 A) - Zinc Plated Yellow Passivated, providing enhanced grip and corrosion resistance. It is ideal for applications requiring secure fastening with anti-vibration properties.

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Material Stainless Steel (A2) Finish Natural Manufacturing Standard DIN 127B For Use With Thread Size M10 (10mm) Internal Diameter (ID) 10.2mm External Diameter (OD) 18.1mm Height (S) 2.2mm Uncompressed Height (L) 4.4mm   See a problem with this specification? Let us know.

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Material Stainless Steel (A2) Manufacturing Standard DIN 127B For Use With Thread Size M10 (10mm) Internal Diameter (ID) 10.2mm External Diameter (OD) 18.1mm Height (S) 2.2mm Uncompressed Height (L) 4.4mm  

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Material Spring Steel Finish Natural Manufacturing Standard DIN 127B For Use With Thread Size M10 (10mm) Internal Diameter (ID) 10.2mm External Diameter (OD) 18.1mm Height (S) 2.2mm Uncompressed Height (L) 5.2mm   Keep your assemblies tight, secure, and vibration-resistant with our M10 Spring Washers DIN 127B. These washers are engineered with a helical split design that bites into the mating surface, creating friction and tension. The result? A fastening system that stays locked in place, even when subjected to movement or vibration.

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Material Steel  Finish Zinc Plated 8.8 Manufacturing Standard DIN 127B For Use With Thread Size M10 (10mm) Internal Diameter (ID) 10.2mm External Diameter (OD) 18.1mm Height (S) 2.2mm Uncompressed Height (L) 4.4mm M10 Spring Washers – Rectangular Section DIN 127B, Zinc Plated (Grade 8.8) are engineered to lock things down when vibration tries to shake them loose. These aren’t just washers, they’re quiet guardians of preload, adding tension and bite exactly where your fastener needs it.When joints are exposed to movement, heat cycles, or vibration, ordinary fastening can relax over time. These spring washers act like a coiled shield, maintaining tension and helping prevent nuts and bolts from backing out.

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Material Spring Steel Finish Zinc Plated Yellow Passivated Manufacturing Standard DIN 127B For Use With Thread Size M10 (10mm) Internal Diameter (ID) 10.2mm External Diameter (OD) 18.1mm Height (S) 2.2mm Uncompressed Height (L) 4.4mm   Lock it tight, keep it right. These M10 rectangular spring washers are engineered to prevent loosening under vibration and dynamic loads, making them a small but mighty essential in any fastening setup. Manufactured to DIN 127B standards, each washer features a split design that exerts continuous tension, helping maintain a secure hold even in demanding conditions.

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The HUS turned washer is the ideal coupling for countersunk head screws where increased axial strength of the connection is required. It is also excellent for connections on metal plates where holes are too wide. ● COMPATIBILITYIt is the ideal coupling for countersunk screws (HBS, VGS, SBS-SPP, SCI, etc.) when the axial strength of the connection is to be increased. ● TIMBER-TO-METALIt is the optimal choice for connections on metal plates with cylindrical holes. ● FIELDS OF USE• thin, thick metal plates with cylindrical holes• timber based panels• solid timber and glulam• CLT and LVL• high density woods Material Electrogalvanized Carbon Steel For Use With Thread Size M10 (10mm) Internal Diameter (ID) 10.80mm External Diameter (OD) 30mm Thickness (T) 6.50mm   For more detailed information, visit the Rothoblaas Datasheet page.   

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Aluminium sealing washers, also known as aluminum crush washers or gaskets, are specialized components used to create a reliable and leak-proof seal between two surfaces. These washers are typically flat, thin, and circular with a hole in the centre to accommodate a bolt, screw, or other fastener. Here's a detailed overview of aluminium sealing washers: Key Features Material Composition: Made from high-quality aluminum, these washers offer a blend of lightweight properties and durability. Aluminium is known for its excellent corrosion resistance, making these washers suitable for use in various environments, including those exposed to moisture and certain chemicals. Sealing Capability: Aluminium sealing washers are designed to deform under pressure, creating a tight seal between mating surfaces. This property makes them particularly effective in preventing leaks in fluid and gas systems. Corrosion Resistance: The natural oxide layer on aluminium provides inherent protection against corrosion, enhancing the longevity and reliability of the seal in corrosive environments. Temperature Resistance: Aluminium can withstand a wide range of temperatures, making these washers suitable for applications involving extreme heat or cold. Applications Aluminium sealing washers are used across various industries due to their versatile sealing properties. Some common applications include: Automotive Industry: Used in engines, fuel systems, and brake systems to prevent leaks of oil, fuel, and brake fluid. Plumbing: Provide a reliable seal in pipe connections, faucets, and other plumbing fixtures to prevent water leaks. Aerospace: Used in hydraulic and fuel systems where lightweight and reliable seals are critical. Industrial Equipment: Employed in machinery and equipment to seal connections and prevent leaks in pneumatic and hydraulic systems. Marine Applications: Suitable for use in marine environments due to their corrosion resistance, ensuring a tight seal in boats and ships' systems. Advantages Lightweight: Aluminium's low density makes these washers ideal for applications where weight is a concern. Durability: Despite being lightweight, aluminium washers offer good strength and durability. Cost-Effective: Aluminium is relatively inexpensive compared to other materials like stainless steel, making these washers a cost-effective sealing solution. Easy to Install: The malleability of aluminium allows these washers to conform easily to the surfaces they seal, simplifying installation.

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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 M10 (10mm) Internal Diameter (ID) 10.5mm External Diameter (OD) 14mm Thickness (T) 1.5mm  

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Aluminium sealing washers, also known as aluminum crush washers or gaskets, are specialized components used to create a reliable and leak-proof seal between two surfaces. These washers are typically flat, thin, and circular with a hole in the centre to accommodate a bolt, screw, or other fastener. Here's a detailed overview of aluminium sealing washers: Key Features Material Composition: Made from high-quality aluminum, these washers offer a blend of lightweight properties and durability. Aluminium is known for its excellent corrosion resistance, making these washers suitable for use in various environments, including those exposed to moisture and certain chemicals. Sealing Capability: Aluminium sealing washers are designed to deform under pressure, creating a tight seal between mating surfaces. This property makes them particularly effective in preventing leaks in fluid and gas systems. Corrosion Resistance: The natural oxide layer on aluminium provides inherent protection against corrosion, enhancing the longevity and reliability of the seal in corrosive environments. Temperature Resistance: Aluminium can withstand a wide range of temperatures, making these washers suitable for applications involving extreme heat or cold. Applications Aluminium sealing washers are used across various industries due to their versatile sealing properties. Some common applications include: Automotive Industry: Used in engines, fuel systems, and brake systems to prevent leaks of oil, fuel, and brake fluid. Plumbing: Provide a reliable seal in pipe connections, faucets, and other plumbing fixtures to prevent water leaks. Aerospace: Used in hydraulic and fuel systems where lightweight and reliable seals are critical. Industrial Equipment: Employed in machinery and equipment to seal connections and prevent leaks in pneumatic and hydraulic systems. Marine Applications: Suitable for use in marine environments due to their corrosion resistance, ensuring a tight seal in boats and ships' systems. Advantages Lightweight: Aluminium's low density makes these washers ideal for applications where weight is a concern. Durability: Despite being lightweight, aluminium washers offer good strength and durability. Cost-Effective: Aluminium is relatively inexpensive compared to other materials like stainless steel, making these washers a cost-effective sealing solution. Easy to Install: The malleability of aluminium allows these washers to conform easily to the surfaces they seal, simplifying installation.

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Fibre washers are thin, flat, and usually round components made from compressed fibre material. They are used to create seals and provide insulation in a wide range of industries, including automotive, plumbing, electronics, and machinery. They are used wherever a reliable seal or insulation is required. Material Vulcanised Cotton For Use With Thread Size M10 (10mm) Internal Diameter (ID) 10mm External Diameter (OD) 14mm Thickness (T) 1mm   Read our comprehensive guide of  13 benefits of Fibre Washers, shedding light on why they are indispensable in engineering and manufacturing.

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Aluminium sealing washers, also known as aluminum crush washers or gaskets, are specialized components used to create a reliable and leak-proof seal between two surfaces. These washers are typically flat, thin, and circular with a hole in the centre to accommodate a bolt, screw, or other fastener. Here's a detailed overview of aluminium sealing washers: Key Features Material Composition: Made from high-quality aluminum, these washers offer a blend of lightweight properties and durability. Aluminium is known for its excellent corrosion resistance, making these washers suitable for use in various environments, including those exposed to moisture and certain chemicals. Sealing Capability: Aluminium sealing washers are designed to deform under pressure, creating a tight seal between mating surfaces. This property makes them particularly effective in preventing leaks in fluid and gas systems. Corrosion Resistance: The natural oxide layer on aluminium provides inherent protection against corrosion, enhancing the longevity and reliability of the seal in corrosive environments. Temperature Resistance: Aluminium can withstand a wide range of temperatures, making these washers suitable for applications involving extreme heat or cold. Applications Aluminium sealing washers are used across various industries due to their versatile sealing properties. Some common applications include: Automotive Industry: Used in engines, fuel systems, and brake systems to prevent leaks of oil, fuel, and brake fluid. Plumbing: Provide a reliable seal in pipe connections, faucets, and other plumbing fixtures to prevent water leaks. Aerospace: Used in hydraulic and fuel systems where lightweight and reliable seals are critical. Industrial Equipment: Employed in machinery and equipment to seal connections and prevent leaks in pneumatic and hydraulic systems. Marine Applications: Suitable for use in marine environments due to their corrosion resistance, ensuring a tight seal in boats and ships' systems. Advantages Lightweight: Aluminium's low density makes these washers ideal for applications where weight is a concern. Durability: Despite being lightweight, aluminium washers offer good strength and durability. Cost-Effective: Aluminium is relatively inexpensive compared to other materials like stainless steel, making these washers a cost-effective sealing solution. Easy to Install: The malleability of aluminium allows these washers to conform easily to the surfaces they seal, simplifying installation.

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Fibre washers are thin, flat, and usually round components made from compressed fibre material. They are used to create seals and provide insulation in a wide range of industries, including automotive, plumbing, electronics, and machinery. They are used wherever a reliable seal or insulation is required. Material Vulcanised Cotton For Use With Thread Size M10 (10mm) Internal Diameter (ID) 10mm External Diameter (OD) 16mm Thickness (T) 1mm   Read our comprehensive guide of  13 benefits of Fibre Washers, shedding light on why they are indispensable in engineering and manufacturing.

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Material Stainless Steel (A2) Finish CB10 Manufacturing Standard DIN 125 - Form A For Use With Thread Size M12 (12mm) Internal Diameter (ID) 13mm External Diameter (OD) 24mm External Diameter (OD) Tolerance +0/-0.52mm Thickness (T) 2.7mm Thickness (T) Tolerance +0/-0.6mm   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 M12 (12mm) Internal Diameter (ID) 13mm External Diameter (OD) 24mm External Diameter (OD) Tolerance +0/-0.52mm Thickness (T) 2.7mm Thickness (T) Tolerance +0/-0.6mm   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 M12 (12mm) Internal Diameter (ID) 13mm External Diameter (OD) 24mm External Diameter (OD) Tolerance +0/-0.52mm Thickness (T) 2.7mm Thickness (T) Tolerance +0/-0.6mm   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 M12 (12mm) Internal Diameter (ID) 13mm External Diameter (OD) 24mm External Diameter (OD) Tolerance +0/-0.52mm Thickness (T) 2.7mm Thickness (T) Tolerance +0/-0.6mm  

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Ensure optimal load distribution and corrosion resistance with our M12 Form A Flat Washer, compliant with DIN 125-1A standards. Manufactured from durable steel and finished with a zinc plated yellow passivation, this washer offers enhanced protection against wear and environmental factors. With a hardness rating of 140 HV, it's ideal for a variety of applications, including automotive, construction, and machinery assemblies. Key Specifications: Standard: DIN 125-1A / ISO 7089 Material: Steel Finish: Zinc Plated Yellow Passivated Hardness: 140 HV Inner Diameter (d1): 13.0 mm Outer Diameter (d2): 24.0 mm Thickness (h): 2.5 mm Features: Distributes load evenly to prevent surface damage Enhances joint stability in bolted connections Provides corrosion resistance in various environments Suitable for use with bolts and screws up to Class 8.8

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