We offer high-quality 40 mm Flat Head Gypsum Screws made of durable stainless steel with a sleek black phosphate finish. These screws are specifically designed for securing gypsum boards to metal studs, ensuring a secure and long-lasting installation. The flat head design provides a flush finish, while the 40 mm head diameter offers ample surface area for optimal grip. Ideal for suppliers and traders in need of reliable fastening solutions for gypsum board installations.