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The M12 x 25 DIN 933 8
They are designed for use with 4-40 machine screws and have a small pattern hex head for easy tightening and loosening
The A4 stainless steel material ensures durability and longevity
The carriage bolt has a round head with a square neck
Made from steel and coated with zinc for corrosion resistance
1/4 External Tooth Lock Washer Black Zinc and Bake 12-24-3 The M12 x 25 DIN1 4 External Tooth Lock Washer Black Zinc and Bake. These lock washers are designed to prevent nuts and bolts from loosening due to vibration or movement. They are made of hardened steel and have a black zinc and bake finish for corrosion resistance. The external teeth bite into the mating surface to provide a secure hold. These lock washers are ideal for use in automotive, industrial, and construction applications.
