70120 12 T-Slot Milling Cutter

I am milling a demo piece right now using a relieved 25 3 flute alumistar with 25 flute length It doesn't seem to unhappy but it's pretty dang slow

Plunging and Slot Milling S50C MSZ345 3-Flute POWER “Z” End Mill · High Deep Milling Model STAVAX 52HRC MRBTNH230 Long Taper Neck Ball End Mill

deep slot Side cutters are especially uniform and productive when working with long, deep, open slots #4 Gang Milling Gang Mill Cutter Source:

deep descent slot The general duty cutting geometry of the heads is suited for efficient slot milling on a wide spectrum of workpiece materials for maximum depth of cut