External Shakeproof Lock Washers

External shakeproof lock washers provide an effective anti-loosening solution for bolted assemblies subject to vibration, movement and dynamic loads. Designed with external serrations, these washers bite into the mating surface and the underside of the fastener head or nut when tightened, creating resistance to rotation and helping maintain joint integrity. Commonly used in machinery, steelwork, electrical installations, automotive assemblies and general engineering applications, external shakeproof lock washers are suitable for use with bolts, screws and threaded fasteners where reliable vibration resistance is required. Manufactured to DIN 6798A standards, they offer dependable locking performance without the need for additional locking components.

Supplied in commonly used metric sizes, external shakeproof lock washers are available in corrosion resistant finishes including BZP, stainless steel A2 and stainless steel A4 to suit internal, external and demanding environments. Selected for consistent serration performance, secure locking action and suitability for professional trade and engineering use, external shakeproof lock washers provide a practical, reliable solution for vibration resistant fastening applications.

External Shakeproof Lock Washers

Diameter

Material

M10 External Shake Proof Lock Washer Din6798A A2 Pack 1000

M10 External Shake Proof Lock Washer Din6798A A4 Pack 1000

M10 External Shake Proof Lock Washer Din6798A Zinc Plated Pack 500

M10 External Shake Proof Lock Washer Din6798A Zinc Plated Pack 1000

M12 External Shake Proof Lock Washer Din6798A A2 Pack 500

M12 External Shake Proof Lock Washer Din6798A A4 Pack 500

Diameter

Material

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