Self-drilling screw
Product origin: hebei,china(mainland)
Brand name: E-star
Material:c1022
Item name:self-drilling screw
Specifications:countersunk/bugle/pan/pan framing/hex-wafer/wafer
Finish:black/grey phosphate,zinc plated(yellow,blue,colour)
Diameter:mm3.5/3.9/4.3/4.8/5.5/6.3 as common
Length: 9.5-125mm
Usage:self-drilling is used to fasten the metal and other hard meterials
Package: 250-1000pcs/box,12-20box/carton or as required