semi-round head self-tapping and self-drilling screw supplier:
material:carbon steel C1022 or C1018
finish:zp,painting,dacromat,ruspert
size:6,7,8,10,12,14#
length:13-240mm
standard:IFI,DIN,UNI
Advantages:good quality,large production capacity,timely delivery,competitive price
Self-Tapping Screws