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
1 1/2-6 A563 Grade A Heavy Hex Nut Plain – FMW Fasteners
Item #293-450 - 1/2-13 X 1 1/4 Domestic Heavy Hex Bolt ASTM F3125
Heavy Hex Nuts - ASME/ANSI B18.2.2 - A194 2H - A563 Grade A -Grade B
1/2-13 Hex Nut - Heavy, Grade 2H Steel, Right Hand (Lot of 100
Heavy Hex Nuts - Portland Bolt
A563 Grade A Heavy Hex Nuts
Prime-Line Finished Hex Nuts, 1/2 in.-13, A563 Grade A Hot Dip Galvanized Steel (50-Pack) 9073622 - The Home Depot
ANSI/ASME b18.2.2 Hex Nylon Insert Lock Nut by available Material
3/4-10 Structural Nuts, A563 Grade DH Heavy Hex Nuts, Coarse Thread, Medium Carbon Steel, Plain Finish, All Sizes are Manufactured in The U.S.A. (Quantity: 125) Online in Kuwait City , Kuwait