standard screws

Features:

* In accordance with all international standard, including ISO, IFI(ASTM, SAE...), DIN, JIS.... etc   

* Material: steel, stainless steel, brass, aluminum ….   

* Head type: all standard head type, including pan head, binding head, flat (countersunk) head, cheese head, hex head, washer head, truss head, socket head, button head …..

* Thread type: machine screw, tapping screw, tri-angular screw thread, thread forming screw for plastic, self-drill tapping screw