TM-250-18X Thread Milling Cutter - UN, 16-48 Thread Size, 1/4" Cutter Dia, 1-1/8" Neck Length, .150" Neck Dia, .0015" Flat, 1/4" Cutter Dia, 4 Fl, 1/4" Shank Dia, 2-1/2" OAL, AlTiN$$Tools

Mills internal and external 60 deg UN threads Single thread form designed to mill common pitch sizes Single form design reduces tool pressure for deep thread milling applications Mills right hand and left hand threads AlTiN coating option for added lubricity and increased wear resistance in difficult-to-machine materials