9/16-18 x 2 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (25)

10 x 3 1/2 Simpson Bugle-Head Wood Decking Screws - 6-Lobe Drive 305 SS - 5 lbs Pack (280)

Typical hardness is HRB 68 - HRC 32

5/8-11 x 4 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (80)

7/8-14 x 5 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (15) 1 1/8-7 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA 9/16-18 x 2 1/2 Grade7 8 14 x 5 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (15) . 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