15Pcs External Tooth Lock Washer M20 Carbon Steel Serrated Locking Washer Black

Description: Package and Size: The package contains 15pcs of external tooth locking washers, with specifications of M20, inner diameter of 20mm/0.79inch, outer diameter of 33mm/1.3inch, and thickness of 1.4mm/0.06inch. Wide Application: These external tooth lock washers are widely used in various screw fastening applications. It is a good choice for electrical connections of household and commercial appliances, automobiles, and ships. Home decoration, industrial building materials, mechanical operations, electronics industry can all come in handy. Easy to Install: Simply select the corresponding external tooth lock washer according to the size of the bolt or nut, place the external tooth lock washer in the bolt or nut, make the external teeth engage with the contact surface, and then use a wrench to tighten the nut or bolt to complete the assembly. Notice: When installing, please make sure the contact surface is clean and free of oil, rust, or other foreign matter to avoid affecting the performance of the gasket. Pay attention to the size before purchasing to get a better fastening effect. Product Features: These washers are made of carbon steel, which is strong, wear-resistant, and not easy to deform. The surface is black zinc-plated to further enhance its resistance to oxidation and corrosion. Adopt a serrated design, which has pressure distribution, can maintain bolt tension under dynamic conditions, and reduce loosening from vibration.