3/4-16 x 8 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (30)

5/16-18 x 7/8 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (1500)

6 x 2 Square Bugle Decking Screws Dacrotized - Carton (3500)

13/16 x 6 Reduced Shank Drill Bit Cobalt (1/2 Shank)

Typical hardness is HRB 68 - HRC 32

1/2-20 x 1 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (400) 5/16-24 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA 3/4-16 x 8 1/2 Grade1 2 20 x 1 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (400) . 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