Pull the rivet clockwise and pull the rivet counterclockwise Connect the hex screw of the rivet adapter to the electric drill and it will quickly turn into an electric rivet machine 3-prong clip with hardened hardening process is highly wear-resisting, extending the service life of the adapter Widely used in door and window industry, electrical and air conditioning manufacturing, aviation and navigation equipment, aluminum alloy and other rivets, automotive production and production Hard alloy forged head, sturdy and practical, high speed rivet, Manufacturer: NUEAYMS