1-14 x 4 Grade 8 Hex Cap Screw Plain Domestic USA (10)

5/16-18 x 5 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (50)

3/4-16 x 5 Hex Cap Screw SS 316 (A4)

2" length for 1" and 3/4" boards

5/16-18 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (500) 7/8-14 Hex Cap Screws 316 Stainless Steel 1-14 x 4 Grade 85 16 18 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (500) . 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