Stainless Steel M12 A4-70 GB93 Spring Washers

Durable A4-70 grade stainless steel spring washers, designed to M12 nominal size and conforming to the GB93 standard. Ideal for preventing fasteners from loosening in various industrial and construction applications. Each pack contains 1000 units.

Material: Stainless steel hardness: other type: spring washer Implementation Standards: GB93 grade: A4-70 Nominal size: 12mm Surface color: True Color Surface treatment: True Color