Special process and characteristic advantages:
1. The surface is galvanized, with high brightness, beautiful appearance, and strong corrosion resistance (optional surface treatment processes such as white zinc plating, color zinc plating, black phosphating, gray phosphating, and nickel plating).
2. Carburized and tempered, the surface hardness is high, which can reach or exceed the standard value.
3. Advanced technology, small twisting torque and high locking performance.
Length:13mm—-70mm
Winged self-drilling screws do not require tapped holes. The screws used are different from ordinary screws. The head is pointed and the pitch of the teeth is relatively large. A chipless tap is a bit like it can be screwed in directly without tapping. This method is commonly used for metals and plastics.
Shooting nail is to use the gunpowder gas produced by launching blank bombs as power to drive nails into buildings such as wood and walls. It usually consists of a nail and a toothed ring or a plastic retaining collar. Its main function is to drive nails into substrates such as concrete or steel plates to fasten the connection.
Length:27mm 32mm 37mm 42mm 47mm 52mm 57mm 62mm 67mm 72mm
Purpose:Usage made of high quality carbon steel,used in decoration industry, fixing different structures of aluminum alloy and concrete.
Lenght:16mm to 150mm