1-8 x 2 1/2 Hex Cap Screw SS 316 (A4)

5/16-24 x 2 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (850)

1/2-13 x 3/4 Grade 5 Hex Cap Screw Plain Domestic USA (50)

5/16 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (4200)

5/8 Hex Key Long Arm Alloy

3/4-10 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) 18" Long Boy Drill Bits 1-8 x 2 1/2 Hex3 4 10 x 3 Grade 5 Hex Cap Screw Zinc Plated 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