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).