Specification:
Hexagonal/countersunk/wafer/frame/bugle head; drilling point
Finished: galvanized (blue/white/color)
Diameter:3.0-6.0mm
Length:13-150mm

.self-drilling screw 自??
Material: carbon steel C1022 碳?
Specification:
Hexagonal/countersunk/wafer/frame/bugle head; drilling point
Finished: galvanized (blue/white/color)
Diameter:3.0-6.0mm
Length:13-150mm
Usage: Self drilling screw is designed to fasten metal or other hard materials together
Package: 250pcs-1000pcs/box, 12-20boxes/carton or as require