Black Phosphated PH Recess Drywall Screw with Coarse Thread for Plasterboard on timber supports
Coarse threaded drywall screw with a bugle head, spaced threads, a particularly sharp point, and a black phosphate finish. Drywall screws are a very common screw, The head type is commonly known as the bugle head (DW). However, there are also truss head and washer head.Drywall screws refer to Standards, JIS B 1125, GB/T 14210-93C and customer specified standards.