Tapping screw threads

5/16-18 x 2 9/16 Hanger Bolt Driver

3/8-16 x 2 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (100)

one-piece screw anchor

7/16-14 x 2 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (50) 5/16-24 Grade 8 Hex Cap Screws Plain - Domestic USA Tapping screw threads7 16 14 x 2 1 2 Grade 5 Hex Cap Screw Plain Domestic USA (50). Grade 5 Hex Cap Screws are manufactured in the USA from medium carbon steel. Our Grade 5 material meets or exceeds SAE J429 Grade 5 specifications. All products are manufactured with rolled threads. Typical hardness on diameters 1 4 to 1 inch is HRC 25 34. On diameters over 1 inch to 1 1 2 hardness will range from HRC 19 30. Tensile strength for diameters 1 4 to 1 inch is a minimum of