Radius gimlet point anti-stripout screw
Radius gimlet point anti-stripout screw
Rivets and rivet manufacturing methods
Roof bolts for use in mines, a method for their production...
Screw and method for its production
Screw with a partially hardened functional tip and process...
Self-attachment screw
Self-drilling screw
Self-tapping screw, blank and method for joining thin...
Shaft abutment screw, especially for an electric motor, and a me
Standard threaded torque fastener with novel indentation...
Swaged pin end of pipe connection
Thread formation
Threaded fastener and a method of making same
Threaded load transferring attachment