Product introduction
A194 grade 2H heavy hex nut
1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 7/8 1“
A563 heavy hex nut grade A
1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 7/8 1“
A563 heavy hex nut grade B
1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 7/8 1“
A563 heavy hex nut grade C
1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 7/8 1“
A563 heavy hex nut grade DH
1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 7/8 1“