5/16-18 x 5/8 Grade 5 Hex Cap Screw Plain Domestic USA (1800)

9/16-18 x 2 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (175)

accurate and tough drilling through all aggregates

8 x 1 1/2 Simpson Truss-Head Wood Screws - Square Drive 305 SS - Box (100)

5/8-18 x 1 3/4 Grade 5 Hex Cap Screw Plain Domestic USA (25) 3/4-16 Socket Cap Screws Alloy 5/16-18 x 5/8 Grade 55 8 18 x 1 3 4 Grade 5 Hex Cap Screw Plain Domestic USA (25). 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