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Hot Sale 5/16-24 X 4 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic Usa (300) Perfect Gift [zWUdan7o]

$55.99 $179.99 -69%

Hot Sale 5/16-24 X 4 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic Usa (300) Perfect Gift [zWUdan7o] . Grade 8 Hex Cap Screws are manufactured in the USA from medium carbon alloy steel. In diameters 1/4 to 1 1/2 inches our Grade 8 material meets or exceeds SAE J429 Grade 8 s

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Hot Sale 5/16-24 X 4 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic Usa (300) Perfect Gift [zWUdan7o] . Grade 8 Hex Cap Screws are manufactured in the USA from medium carbon alloy steel. In diameters 1/4 to 1 1/2 inches our Grade 8 material meets or exceeds SAE J429 Grade 8 specifications. Diameters over 1 1/2 inches meet or exceed ASTM A354 Grade BD. All material is manufactured with rolled threads. Yellow zinc plated bolting will meet or exceed ASTM F1941. Typical hardness on diameters 1/4 to 2 1/2 inches is HRC 33-39. On diameters over 2 1/2 inches, hardness will range from HRC 31-39. Tensile strength on diameters 1/4 to 2 1/2 inches is a minimum of 150,000 psi. Diameters over 2 1/2 inches have a meet a minimum of 140,000 psi.

What Our Customers Say

January 2, 2026

Absolutely no complaints!

It’s a very clever and useful tool.

- Vanora D..

January 2, 2026

Absolutely no complaints!

A superb product. It works perfectly.

- Phaedra Z..

January 2, 2026

Absolutely no complaints!

It has enhanced my daily tasks.

- Juno O..

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