法兰锁紧螺母

DIN6926 /6927 Flange lock nuts ,We all adopt low carbon steel, 35 # steel or 45 # steel to be processed and formed by cold heading machine, and then tap, embed nylon or metal sheet. If it is grade 8 or 10 reheat treatment and tempering, then embed nylon ring, and finally galvanize or blacken. This product is widely used in various machinery, medical treatment, auto parts, and shipbuilding industries. The product mainly achieves locking effect by embedding the bolt thread into nylon .

size from m3-m16