Buy Brand Brighton-Best International 7/8-9 Grade 2 Finished Hex Nut Zinc Plated, Model 1685026 online. Grade 2 Finished Hex Nuts Zinc Plated
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7/8-9 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.
Nominal Size: 7/8 inch
Basic Major Diameter: 0.8750 inches
Width Across Flats:
Maximum: 1.312 inches
Minimum: 1.269 inches
Thickness:
Maximum: 1.516 inches
Minimum: 1.447 inches
Steel Type: Low carbon steel
Chemical Composition:
Carbon: Maximum 0.47%
Phosphorus: Maximum 0.12%
Sulfur: Maximum 0.23%
Tensile Strength: Minimum of 74,000 psi
Hardness: Rockwell hardness ranges from B68 to C32
Proof Load:
Coarse thread: 90,000 psi
Fine thread: 80,000 psi
The zinc plating enhances resistance against moisture, salt, and other corrosive conditions, ensuring durability in various environments.
This combination of properties makes the 7/8-9 Grade 2 finished hex nut zinc plated an excellent choice for reliable fastening needs.