Metal Washers, Internal Star Tooth Lock Washers, Black Internal Washers, M3 M4 M5 M6 M8 M10 M12, Internal Tooth Elastic Retainer Rings

Retaining washers are made of carbon steel, providing impact resistance and durability. They are rust-proof and high temperature resistant, suitable for environments. The locking washers have an internal tooth locking structure that increases friction through the force of the spring, preventing the loosening of screws due to vibration. They are suitable for mechanical assemblies requiring stability. Comes with storage box. Clear classification allows quick access and organization, is easy to use, find and carry, and improves work efficiency. Suitable for loosening protection, shock absorption and insulation of machinery, automobiles, household appliances, furniture, electronic devices, especially for the maintenance of equipment subject to vibration. A total of clamping washers in common sizes M3 M4 M5 M6 M8 M10 M12 covers a wide range of fastening needs. Material: Carbon Steel Colour: black.