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Diameters over 1 1/2 inches meet or exceed ASTM A354 Grade BD
1-8 x 6 Grade 5 Hex Cap Screw Zinc Plated
Material is manufactured with rolled threads
Diameters over 2 1/2 inches have a meet a minimum of 140
1-14 x 6 Grade 8 Hex Cap Screw Yellow Zinc Plated
7/8-9 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated 1-8 Grade 5 Hex Cap Screws Zinc Plated Diameters over 1 1/2 inches7 8 9 x 5 1 2 Grade 5 Hex Cap Screw Zinc Plated . Grade 5 Hex Cap Screws are manufactured from medium carbon steel. Our Grade 5 material meets or exceeds SAE J429 Grade 5 specifications. All products are manufactured with rolled threads. Zinc plated material meets or exceeds ASTM F1941. 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