Asymmetrical thread pattern resists material slippage during pull out and vibration

1/4-28 x 1 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (1600)

1/2-13 x 8 Grade 8 Hex Cap Screw Yellow Zinc Plated

5/8 Hex Key Long Arm Alloy

3/8-16 x 1 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (900)

1-8 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) M12-1.75 Socket Set Screws Cup Point DIN 916 Black Oxide Asymmetrical thread pattern resists material1 8 x 5 1 2 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