Sheet Metal Screw Cross head with a diameter of 4.2mm and a length of 25mm, in a package of 300 pieces. The shaft has a sharp and pointed tip and a coarse thread that extends to the head. This means that the screw easily grips the material and creates its own hole as it tightens. It is galvanized for corrosion protection so that it does not rust. It has a drill bit tip, allowing easy penetration of the metal surface and pre-drilling is not necessary. It is suitable for fastening thin sheets to thicker sheets or supports to metal beams.

• Diameter: 4.2mm
• Length: 25mm