M4 DIN 6797 A Metric External Tooth Lock Washer A2 18-8 Stainless Steel #4 which means it is strong

which means it is strong and can withstand high levels of torque

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They are designed to be used with bolts and nuts to prevent loosening due to vibration or movement

It features a short neck and full thread

M4 DIN 6797 A Metric External Tooth Lock Washer A2 18-8 Stainless Steel #4 which means it is strongThe M4 DIN 6797 A Metric External Tooth Lock Washer is a high quality washer designed to prevent loosening of nuts and bolts due to vibration or shock. Made from durable A2 18 8 stainless steel, this washer offers excellent corrosion resistance and can withstand harsh environments. Its external teeth bite into the mating surface, creating a secure hold that prevents rotation. With its precise dimensions and consistent performance, this lock washer