7/8-14 x 4 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (15)

The built-in washer head eliminates the need for an additional washer

1 3/8-12 x 5 1/2 Socket Cap Screw Alloy

1/2-13 x 3 Hex Tap Bolt Silicon Bronze

Hardness: Rockwell hardness ranges from B68 to C32

7/16-20 x 4 Grade 5 Hex Cap Screw Plain Domestic USA (25) 7/8-14 Grade 5 Hex Cap Screws Zinc Plated 7/8-14 x 4 1/2 L97 16 20 x 4 Grade 5 Hex Cap Screw Plain Domestic USA (25). 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 120,000