Used for thread connection anti loosening. After tightening the nut, insert the split pin into the nut groove and the bolt tail hole, and open the tail of the split pin to prevent relative rotation between the nut and bolt. Open mouth pin is a type of metal hardware, commonly known as spring pin.
Open mouth pin is a mechanical component. To avoid damaging the hole wall, grease and lubricating oil can be added to the pin hole. The production of this component requires the use of high-quality steel and rigid materials with good elasticity