Staggered tooth thread mills will cut internal and external threads. Every other tooth removed in a staggered pattern for reduced side cutting pressure.
Staggered Tooth - UN
SPTM Thread Mills - Internal Stub Acme
SPTM Thread Mills - Internal Acme
TM - Metric Thread Mills -30 degree Helical Flutes - Solid Carbide - Full Profile
TM - Metric Thread Mills -15 degree Helical Flutes - Solid Carbide - Full Profile
TM - Metric Thread Mills -Straight Flute - Solid Carbide - Full Profile