Size: No 8-361/4″: 1/4″Across the Flat: 0.59″
HSS BSPF
1/4-19 BSPF Taper Tap
2″-11 BSPF Plug Tap
1/4-19 BSPF Bottom Tap
1/4-19 BSPF Plug Tap
2 1/4-11 BSPF Taper Tap
1″-11 BSPF Taper Tap
2 1/2-11 BSPF Taper Tap
1/2-14 BSPF Bottom Tap
7/8-14 BSPF Bottom Tap
5/8-14 BSPF Plug Tap