O/D: 1/4-28Thickness: 3/8″O/D: 1″
HSS UNC
9/16-12 HSS UNC Die
9/16-18 HSS UNF Die
No 4-40 HSS UNC Die
7/16-20 HSS UNF Die
No 5-40 HSS UNC Die
1/2-20 HSS UNF Die
3/4-16 HSS UNF Die
1/4-20 HSS UNC Die
5/16-24 HSS UNF Die
No 12-24 HSS UNC Die