Dry Wall Screws Coarse Thread Black Phosphate #6x2 (3.5x50mm), made in Taiwan, are durable fasteners designed for strong and secure fixing in drywall and wood applications. Manufactured from high-quality steel with a black phosphate coating, they provide good corrosion resistance and smooth installation performance. The coarse thread ensures excellent holding power, while the sharp point allows easy penetration without the need for 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.