External Shakeproof Lock Washers

External shakeproof lock washers are designed to resist loosening under vibration by using external serrations that bite into the mating surface, providing enhanced grip and securing performance. Commonly used in mechanical, electrical and assembly applications, these washers deliver reliable locking and consistent contact pressure. Manufactured to DIN 6798A standards and available in A2 and A4 stainless steel and zinc plated finishes, they offer durability and corrosion resistance.

Available in commonly used metric sizes and specifications, these washers ensure secure fastening, improved vibration resistance and dependable performance across engineering, electrical and general assembly applications.

External Shakeproof Lock Washers

Diameter

Material

M27 External Shake Proof Lock Washer DIN 6798A A4 Pack 100

M30 External Shake Proof Lock Washer DIN 6798A A2 Pack 100

M30 External Shake Proof Lock Washer DIN 6798A A4 Pack 100

Diameter

Material

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