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RS PRO Steel Bright Zinc Lock Washer M20, DIN 7980, Spring Type, 30.6 mm Outer Diameter, 276-819

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RS PRO Steel Bright Zinc Lock Washer M20, DIN 7980, Spring Type, 30.6 mm Outer Diameter, 276-819

Name: RS PRO Steel Bright Zinc Lock Washer M20, DIN 7980, Spring Type, 30.6 mm Outer Diameter, 276-819
Brand: RS PRO
SKU: 86233

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Category Lock Washers Brand RS PRO Condition New

Specifications

Country of Origin	India
Brand	RS PRO
Material	Steel
Grade	A2
THICKNESS	4.5mm
Model	276-819
Finish	Bright Zinc
External diameter	30.6mm
Inside Diameter	20.2mm
Washer type	Lock
Standards/Approvals	DIN 7980
Compatible Screw/Bolt Size	M20

Key Features

Engineered for M20 compatible screws and bolts providing a secure fastening solution.
Manufactured from high-quality steel for enhanced durability and performance.
Bright zinc finish offers superior corrosion resistance in industrial environments.
Conforms to DIN 7980 standard for lock washers ensuring reliable operation.
Spring washer, single coil design delivers effective locking action.
Features a 30.6 mm external diameter and a 20.2 mm internal diameter for precise fit.
Thickness of 4.5 mm allows robust stress distribution and retention.
DIN Grade A2 ensures high mechanical integrity.

Product Description

RS PRO 276-819 is a bright zinc plated steel lock washer designed specifically for M20 compatible screws and bolts where high integrity fastening is essential. It features a spring-type, single coil construction with bright zinc finish, delivering both strength and excellent corrosion resistance suitable for industrial, mechanical, and construction applications.

This washer boasts strict compliance with DIN 7980, ensuring international compatibility and reliability in demanding environments. The 30.6 mm outer diameter and 20.2 mm inner diameter make it suitable for precisely matching M20 fasteners, minimizing play while optimizing hold under dynamic loads and vibrations. The 4.5 mm thickness provides effective load distribution, reducing surface wear.

Manufactured using high-grade steel to Grade A2 specification, this washer is built to withstand prolonged mechanical stresses. The bright zinc finish provides an added layer of protection against moisture, oxidation, and harsh chemicals often found in industrial settings, thereby extending service life.

The single coil, spring-type design serves an important role in preventing loosening or back off in assemblies subjected to machine vibration or cyclic loading. This ensures ongoing operational security for equipment, machinery, or mechanical subassemblies.

Applications of the RS PRO 276-819 lock washer include installation in machinery, structural steelwork, heavy duty fastening systems, maintenance assemblies, and areas experiencing persistent vibration such as HVAC, automotive, or material handling equipment. Its industrial-grade build and precise conformance to DIN standards make it a top choice for engineers and maintenance professionals.

Choose RS PRO lock washers for industrial fastener assemblies, machinery maintenance, plant engineering, or construction environments where reliability and quality are critical requirements.

Browse more industrial-grade washers and fastening solutions in the Lock Washers category or discover additional RS PRO components for your assembly needs.