Tork Craft Taper Adapter ��� Mt3 To Jt4 (Morse ��� Jacobs)
Adapt Machines With An Mt3 (Morse Taper #3) Spindle Or Arbor To Accept Jt4 (Jacobs Taper #4) Drill Chucks. This Hardened, Precision Ground Adapter Ensures Concentric Seating For Smooth, Accurate Drilling On Drill Presses, Lathe Tailstocks And Milling Machines (Drill Mode).