9/16-18 Grade 2 Finished Hex Nut Zinc Plated
9/16-18 Grade 2 Finished Hex Nut Zinc Plated
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9/16-18 Grade 2 Finished Hex Nut Zinc Plated . Grade 2 Finished Hex Nuts are manufactured from low carbon steel, 1008-1010 for diameters up to 1 inch (cold-formed) and 1045 steel for diameters over 1 inch (hot-formed). Material is manufactured to meet or exceed ASTM A563 Grade A. Zinc plated material will meet or exceed ASTM F1941. Hot-Dip Galvanized material will meet or exceed ASTM A563. Hot-Dip Galvanized nuts are over tapped per ASTM A563. Hardness requirements of HRB 68 - HRC 32 are met or exceeded. Proof load strength of 90,000 psi minimum is met for plain or zinc plated material, 68,000 psi for Hot-Dip Galvanized material.
Specifications:
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Nominal Size: 9/16 inch
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Basic Major Diameter: 0.5625 inches
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Width Across Flats:
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Maximum: 0.875 inches
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Minimum: 0.861 inches
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Thickness:
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Maximum: 0.496 inches
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Minimum: 0.473 inches
Material Composition:
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Steel Type: Low carbon steel
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Chemical Composition:
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Carbon: Maximum 0.47%
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Phosphorus: Maximum 0.12%
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Sulfur: Maximum 0.23%
Mechanical Properties:
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Tensile Strength: Minimum of 74,000 psi
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Hardness: Rockwell hardness ranges from B68 to C32
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Proof Load:
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Coarse thread: 90,000 psi
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Fine thread: 80,000 psi
Plating:
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The zinc plating enhances the nut's resistance to moisture, salt, and other corrosive conditions, ensuring durability in various environments.
This combination of features makes the 9/16-18 Grade 2 finished hex nut zinc plated an excellent choice for reliable fastening needs.
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