Galvanized steel
Stainless steel A2, A4
The universal semi-circular head screw is designed for fastening to wood, plastic and other soft materials, with preliminary drilling of the hole. Also, if used in conjunction with dowels, the screws can be installed in concrete, brick, etc.
The semi-circular head screw with a star-shaped (TORX) slot and a sharp end is made of carbon steel with a galvanized coating, as well as stainless steel A2 and A4.
Semi-circular head screws are most in demand in the furniture industry not only for fastening structural elements, but also as decorative fasteners.