Material: Made of 65Mn metal steel, high strength (not easy to deform), wear-resistant, corrosion-resistant, rust-resistant and oxidation-resistant
Internal Tooth Lock Washer: The metric internal tooth star lock washers assortment kit contains 7 sizes 330 pcs, which are m3(70 pcs), m4(60 pcs), m5(60 pcs), m6(50 pcs), m8(40 pcs), m10(30 pcs), m12(20 pcs)
Function: Lock washers are mainly used for nuts and bolts from rotating and loosening due to vibration and friction, and play a role in preventing loosening and fixing objects to ensure the stability of machines
Convenient Storage: Each of the 7 different sizes of internal tooth lock washer are individually stowed by type in an easy to carry clear case.Easy to store and use,so that the lock washer will not be lost or mixed up during use
Applications: Widely used in a variety of screw fastening applications, ideal for electrical connections in household and commercial appliances, automobiles and ships
