3.5X41mm Drywall Black Screws, Self Tapping Phillips Countersunk Head, Fine Thread, Sharp Point, Black Phosphate Metal studs Screws, Plaster Screws for Plasterboard to Steel Profile (1000 pcs.)

DRYWALL SCREWS: Material - Carbon steel, Coating - Black Phosphate, Threads - Fine thread, Tail - Sharp Pointed, Head - Bugle, Drive - Phillips PH2. USABILITY: Drywall screws designed for fastening drywall boards to wood or metal, optimized stitch point geometry and bugle head helps effectively install plasterboard and Steel profiles, multipurpose screw used in a variety of application, screws are fairly thin enough for them to fasten sheets of drywall to ceiling and Wall joists without damaging the materials. EASY TO INSTALL: Use phillips head screwdriver (bit 2PH), sharp point and fine thread screw firmly connects two surfaces and bugle head hinder them from sinking into the plaster board and keeps flush with the surface. PHOSPHATE COATING: The black color of carbon Steel screws is a result of phosphate coating, which is used to help prevent rusting. Without the phosphate coating, wet residues from the drywall can cause the screw heads to rust. Screws are mostly used for indoor projects. UNIVERSAL SCREW: Most people prefer to use drywall screws for their wood because of their shapes and how inexpensive they are. Carbon steel screws perfect for constructions, plasterboard, plaster walls, wood panels, stairs and other indoor applications, patios and various wood joints.