Upgrade your toolbox with these black phosphate-coated, coarse-thread self-tapping screws. Made from durable carbon steel, they resist corrosion for lasting performance in wood, drywall, and plasterboard projects. The sharp piercing point and self-tapping design mean fast, drill-free installation with no pilot holes. Ideal for DIY repairs, home improvement, and professional carpentry, these versatile screws deliver a secure, neat finish in walls, ceilings, and wooden frames. Suitable for wood-to-wood, wood-to-drywall, and plasterboard fixings.