![Affordable 5/16-18 X 4 Grade 5 Hex Cap Screw Zinc Plated Domestic Usa (50) Essentials [8DZT6gcP]](https://cdn.shopify.com/s/files/1/0974/6070/products/Grade_5_Hex_Cap_Screw_Zinc_Plated_db1da7ec-51a2-4bab-98f5-39d8e604770f.jpeg?v=1481144973)
Affordable 5/16-18 X 4 Grade 5 Hex Cap Screw Zinc Plated Domestic Usa (50) Essentials [8DZT6gcP]
Affordable 5/16-18 X 4 Grade 5 Hex Cap Screw Zinc Plated Domestic Usa (50) Essentials [8DZT6gcP] . 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 r
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Affordable 5/16-18 X 4 Grade 5 Hex Cap Screw Zinc Plated Domestic Usa (50) Essentials [8DZT6gcP]
Affordable 5/16-18 X 4 Grade 5 Hex Cap Screw Zinc Plated Domestic Usa (50) Essentials [8DZT6gcP] . 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 psi and for diameters over 1 inch to 1 1/2, 105,000 psi.
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