2 3/4-4 A563 Grade A Heavy Hex Nut Plain .Grade A Heavy Hex Nuts are manufactured from low carbon steel, 1008-1010 for sizes up to 1 inch (cold-formed) and 1045 steel for sizes 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.Typical hardness is HRB 68 – HRC 32.Proof load strength will meet a minimum of 100,000 psi and 75,000 psi for Hot-Dip Galvanized nuts.
-46%
2 3/4-4 A563 Grade A Heavy Hex Nut Plain
$42.60 Save:$37.00(46%)
Description
