Drywall-wood screw 4.2x75 (pack) (pkg.40pcs) Tech-Krep/Zitar 125471

SGD self-tapping screw has a countersunk head with a PH2 cross slot, a coarse thread, and a sharp tip. Made of carbon steel with a black phosphate or oxide coating. Designed for fastening gypsum boards (GKL), plywood, OSB, and other sheet materials to wooden bases. Not recommended for assembling wooden structures (frame houses, beam and rafter systems) or in combination with plastic dowels.