Dry Wall Screws Coarse Thread Black Phosphate #8x2 (4.2x50mm), made in Taiwan, are high-quality fasteners designed for strong and secure fixing in drywall and wood applications. Manufactured from durable steel with a black phosphate coating, they provide good corrosion resistance and improved grip during installation. The coarse thread ensures excellent holding power, while the sharp point allows easy penetration without pre-drilling. Supplied in a pack of 450 pieces, these screws are ideal for professional and interior construction use where strength and reliability are essential.