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.
The EPDM washer used has good sealing, temperature resistance, chemical resistance,
The pressure resistance is much higher than ordinary EPDM washer.
Hexagonal drill tail wire is mainly used for fixing color steel tiles of steel structures, and is also used for fixing simple building thin plates, and connecting metal to metal such as light steel keels, wooden keels, and aluminum profiles.