The 1/4-20 x 3/8 Round Head Tri-Drive screws from Metallics West Inc are versatile fasteners ideal for various applications. With a round head design and tri-drive feature, these screws provide enhanced grip and ease of installation. Each screw measures 3/8 inches in length and has a 1/4-20 thread size, making them suitable for a wide range of materials. Packaged in a bulk quantity of 1000 pieces, they are perfect for large projects or frequent use. These screws are made from high-quality zinc-coated steel, ensuring resistance to rust and corrosion, and comply with industry standards for reliability.