• Self-drilling screws for fixing wooden decking boards.• Coarse thread and smaller Torx head.• With Ruspert ceramic-zinc coating.These decking screws are designed for IGM Decking Jig. Made of steel with Ruspert ceramic-zinc coating, the screws are significantly more resistant to corrosion and weather elements compared to plain zinc-coated steel screws. This composite coating consists of three layers. A chemical sandwich layer bonds the inner zinc layer and the ceramic coating on the surface. With coarse thread and self-drilling tip. Smaller Torx T15 head sinks into the material and makes the screw unnoticeable.• Diameter: 4.5 mm• Length: 60 mm• Head: Torx T15
