NF Castle Hex Nut
7/16-20 UNF
Part#: 23151
9/16-18 UNF
Part#: 23155
NC Slotted Hex Nut
1/4-20 UNC
Part#: 26420
5/16-18 UNC
Part#: 26422
3/8-16 UNC
Part#: 26424
1/2-13 UNC
Part#: 26428
5/8-11 UNC
Part#: 26432
3/4-10 UNC
Part#: 26434
7/8-9 UNC
Part#: 26436
1"-8 UNC
Part#: 26438