A selection of zinc plated self-tapping screws with three different head types for a wide range of metal to metal applications. Please note a pre-drilled hole is required. The tray contains a mix of Pan, Countersunk, and Flange head self-tapping screws in various sizes. Contents: Self-Tapping Screws Pan: 80x 6 x 1/2", 55x 6 x 3/4" Pan, 45x 8 x 1/2", 45x 8 x 5/8", 35x 8 x 3/4", 25x 8 x 1" Self-Tapping Screws Countersunk: 40x 8 x 3/4", 30x 8 x 1", 25x 10 x 1 1/4" Self-Tapping Screws Flange: 45x 8 x 1/2", 30x 8 x 3/4", 20x 8 x 1" Country of Origin: China.