5/16-18 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (500)

7/8-9 x 4 3/4 Socket Cap Screw Alloy

2 1/4 F436 Flat Washer HDG

9/32 x 12 High Speed Long Boy

1-14 x 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (35) 3/4 Cotter Pins Plain Steel 5/16-18 x 3 Grade 51 14 x 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (35) . 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