1022A Carbon Steel Hexagon Head Self Drilling Screws ZP Product

1022A Carbon Steel Hex Head Self-Drilling Screws (ZP) are manufactured from premium 1022A carbon steel. Carburizing heat treatment boosts drilling hardness and joint strength. ZP stands for Zinc Plated surface finish, which offers basic anti-corrosion protection. The hex head enables easy force application with socket bits. The drill point can drill, tap and fasten simultaneously on thin steel sheets, color steel plates, light steel keels and metal fittings. It is widely used in building installation, sheet metal fabrication, roofing and equipment assembly. This product eliminates pre-drilling and frequent tool switching to improve construction efficiency. Stable clamping force ensures firm and reliable connections, which is critical to enhancing project installation quality, service durability and maintenance convenience.