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

3/8-16 x 1 7/8 Hex Sleeve-All™ 304 SS (50)

3/8-24 x 1 3/4 Grade 5 Hex Cap Screw Plain Domestic USA (600)

15/32 x 12 High Speed Long Boy

7/8-9 x 3 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) M20-2.5 Hex Cap Screws 8.8 DIN 933 Zinc Plated (Fully Threaded) 5/16-18 x 5 1/2 Grade7 8 9 x 3 1 4 Grade 5 Hex Cap Screw Zinc Plated 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