NC Heavy Hex Nut
1/4-20 UNC
Part#: 21102
5/16-18 UNC
Part#: 21104
3/8-16 UNC
Part#: 21106
7/16-14 UNC
Part#: 21108
1/2-13 UNC
Part#: 21110
5/8-11 UNC
Part#: 21114
3/4-10 UNC
Part#: 21116
7/8-9 UNC
Part#: 21118
1"-8 UNC
Part#: 21120