Size: No 3-56Thickness: 1/4″O/D: 13/16
HSS UNC
1/4-20 HSS UNC Die
No 4-40 HSS UNC Die
5/8-11 HSS UNC Die
No 8-32 HSS UNC Die
1/2-13 HSS UNC Die
No 12-24 HSS UNC Die
5/16-18 HSS UNC Die
No 3-48 HSS UNC Die