【Quantity】 350pcs internal tooth star lock washers contains 7 sizes: M3×9mm, M4×12mm, M5×14mm, M6×16mm, M8×18, M10×20mm, M12×25mm. Packed in a transparent box, various sizes can meet your different needs
【High Quality】These quick speed locking washers are made of 65Mn steel,which have smooth surface, resistance to oxidation and wear, and can be used for a long time in harsh environments like hot, cold, and humid climates
【Functions】Internal tooth star lock washers offer spring force, and enhanced friction and rotation resistance between the fastener's head and the substrate, keeping the washer firmly against the substrate and the bolt thread firmly against the nut or substrate thread
【Easy to Store】350 black manganese steel star lock washers are packaged in a strong plastic box, with each size segregated for ease selection, storage, usage, and transportation
【Apply Widely】HayEastdor internal teeth star lock washer assortment kits are extensively utilized in industrial shock absorption manufacturing, machinery, and other applications where they offer strong grip, spring force, increased friction, and resistance