Countersunk CSK head self drilling screw with zinc plated

The Gongbing self drilling screws adopts German technology, has reasonable design, strong anchoring force and is easy to use:

The raw materials used are all from large domestic steel companies and can meet the stringent requirements of high-strength bolts: the world's most advanced surface treatment technology, anti-corrosion and weather resistance is 5 times that of ordinary galvanized products.

Deepened cross hole design,

Not easy to slip during use

Self-tapping screws adopt advanced design technology, fast tapping speed and strong anchoring force.

Mainly used in doors, windows, decoration, and Connections between various metal parts.