Features
Made of hardened carbon steel, the screws offer strong pullout strength to hold the roofing sheets.
Sealing washers help against water penetration.
Commonly with corrosion coating.
Different points for different applications.
Sharp points for easy to screw in and damage a little.
Drill points for screw in hard metal structure.
Various colors of paint on heads for specific applications.
Can be drilled near the edge of roofing sheets.
Long life service.
