Check the listing for details. 100pcs M12 Flat Washers, 100pcs M12 Lock Washers 304 Stainless Steel. Condition: New. Listed at 55.53 USD. Spring washers are suitable for use with screws, nuts, and bolts of the same size, providing secure connections for moving parts and preventing loosening. Widely used in furniture repair, outdoor construction, and electrical maintenance.SpecificationColor: Silver ToneMaterial: 304 Stainless SteelFlat Washers Size: M12x24x1.5mm( ID x OD x L)Lock Washers: M12x21.5x3.1mm( ID x OD x L)AdvantageMade from 304 stainless steel, the lock washer exhibits robustness, resistance to oxidation, and rust-proof properties. It offers excellent corrosion resistance, ensuring durability and an extended lifespan.InstructionSplit washers are primarily used to prevent nuts, bolts, and screws from loosening or rotating due to vibration and friction. They help secure objects in place, ensuring machine stability.