American Unified 8 Thread SeriesO.A.L. mm: 170Shank Dia. Mm: 28Flutes: 6
UNEF
1 1/2-8 HSS UN – Bottom Tap
1 1/8-8 HSS UN – Bottom Tap
1 5/8-8 HSS UN – Tap Set
1 3/8-8 HSS UN – Plug Tap
2 1/4-8 HSS UN – Tap Set
2 1/4-8 HSS UN – Plug Tap
1 1/8-8 HSS UN – Tap Set
1 7/8-8 HSS UN – Plug Tap
1 3/4-8 HSS UN – Plug Tap
2 1/8-8 HSS UN – Tap Set