Size: No 12-28Thickness: 3/8″O/D: 1″
HSS UNC
5/16-18 HSS UNC Die
1/2-13 HSS UNC Die
3/4-10 HSS UNC Die
5/8-11 HSS UNC Die
No 6-32 HSS UNC Die
1/4-20 HSS UNC Die