3MT (Morse Taper 3) Shank – Fits Standard Tailstock Tapers On Mid-sized Lathes For Die-threading Operations. Ideal For External Threading: Supports Mount Of Standard Round Dies (E.g., 13/16″, 1″, 1-5/16″, 1-1/2″) For Turning External Threads. Precision-ground Hardened Tool-steel Construction Ensures Accurate Fit, Minimal Run-out And Long Service Life. “floating” Or Sliding Head Design (Depending On Model): Allows The Die Body To Move/float Slightly On The Shank For Smoother Threading, Better Alignment And Reduced Backlash. Compatible With The Emco Compact 5 Lathe And Other Small To Mid-sized Machines That Accept A 3MT Tailstock Arbor—gives Hobbyists And Professionals Enhanced External-threading Capability. Easy Installation: Drop Into Tailstock Taper, Secure, Insert Appropriate Die And Begin Threading Shafts Or Bolts With Confidence. Ideal For Workshops, Prototyping And Precision Work: Deliver Straight, Clean Threads On Shafts, Bolts, Cylinders, Rods, And Turned Parts. Robust Design: Reliable Performance Under Moderate Loads – Especially In Small Machine-shop Or Hobby-lathe Environments.