Self-tapping screw
Self-tapping Screw
- Dia.：M3~M12
- Length：25mm~300mm
- Coating：Zinc plating & Ruspert
- Material：Carbon Steel 1022
A stainless or carbon steel screw for fastening wood, metal, or other materials into concrete or masonry. Concrete screws are commonly blue in color, with or without corrosion coating. Typically an installer uses a hammer drill to make a pilot hole for each concrete screw.