These F436M Hardened Structural Washers are designed for applications requiring a hardened washer rather than a standard general-purpose flat washer.

Manufactured to the F436M Type 1 specification, these washers have a specified hardness of HRC 38–45 and provide a hardened bearing surface beneath compatible fasteners.

Suitable for structural, engineering, fabrication, machinery and heavy-duty fastening applications where an F436M hardened washer is specified.

Finished with an A2C zinc-plated coating for corrosion protection in general workshop and engineering environments.

Available in metric sizes from M10 to M18 and sold individually, so you can buy exactly the quantity required without purchasing a full box.

Key Features

• F436M Type 1 specification
• Hardened washer
• HRC 38–45 hardness
• Metric sizing
• Zinc-plated A2C finish
• Provides a hardened bearing surface
• Suitable for structural and heavy-duty fastening applications
• Fabrication and engineering use
• M10 to M18 available
• Sold individually
• No minimum order quantity

Specifications