Midwest Self-Tapping Screw, NO 10 Screw, 1 in Length, Pan Head, Phillips Drive, Coarse Thread, Steel, Zinc Plated, Used as Metal to Wood. Midwest Self-Tapping Screw, NO 10 Screw, 1 in Length, Pan Head, Phillips Drive, Coarse Thread, Steel, Zinc Plated, Used as Metal to Wood.