1. Add flat washerThe washer refers to the part that is cushioned between the connected piece and the nut. Generally, a flat metal ring is used to protect the surface of the connected part from being

As a standard part, it should have its own general specificationsHexagon nuts (20 sheets) For hexagon nuts, the commonly used standards are: GB52, GB6170, GB6172 and DIN934. The main differences betwe

When we use a fastener, we don't want it to fall off. Unless we choose to use a lock nut, shedding will still occur frequently. So why in some cases an ordinary nut can not play its due role?If a