Guided by scientific and technological innovation, JM Hardware always keeps outward-oriented and sticks to the positive development on the basis of technological innovation. flat washer If you are interested in our new product flat washer and others, welcome you to contact us.The quality of the product is in strict accordance with the industry quality norms.
Lock Washers add pressure to the nut or bolt to prevent loosening. Most common lock washers are split with one end is higher than the other. This provides a spring like action, adding pressure to hold the joined components tightly in place.