RS PRO Steel Bright Zinc Washer M20, BS 4320, 37mm OD, 21mm ID, 2.2mm Thick, Form B 122-4393

RS PRO 122-4393 Steel Bright Zinc Washer M20, BS 4320 is designed to deliver superior load distribution for threaded fastener applications. As a Form B washer, it features a normal diameter with light thickness, making it ideal for precision engineering, maintenance, and repair tasks across multiple industries.

This washer is manufactured from durable steel and treated with a bright zinc finish, providing medium corrosion resistance and maintaining a clean professional appearance. Compliant with BS 4320 standards, it meets rigorous industrial requirements for fasteners.

Its 37mm external diameter and 21mm internal diameter are tailored for M20 screw or bolt fittings. The 2.2mm thickness ensures efficient load distribution without adding unnecessary bulk, supporting consistent fastener performance.

Key features include compatibility with all types of nuts and bolts, corrosion resistance for challenging environments, and the ability to provide a smooth surface for secure fastening. Though primarily intended for engineering and manufacturing, its use extends to machinery assembly, construction projects, and equipment maintenance.

Suitable for M20 screw or bolt fittings. Manufactured from high-quality steel with bright zinc finish. Complies with BS 4320 standards for industrial fasteners. External diameter of 37mm and internal diameter of 21mm ensures optimal fit.

Form B, light thickness of 2.2mm for precision engineering. Medium corrosion resistance suitable for various environments. Compatible with nuts and bolts of all types. Provides a smooth surface for fastening with uniform load distribution.

This washer meets the demands of fastener systems in Industrial, Mechanical, HVAC, Construction, and Manufacturing settings. It is recommended for professional environments requiring precise, reliable fastener solutions.

Browse other RS PRO Washers and Fasteners on EnvMart for a complete range of solutions.