Description
Mount large-capacity drill chucks into tailstocks and spindles. The Magnum AMT3JT4 is built for heavy-duty drilling applications on mills and lathes.
Features
- Taper Adaptation – Converts a Morse Taper 3 spindle to a Jacobs Taper 4 mount.
- Friction Fit – Relies on precision ground tapers for a secure hold.
Specifications
- Machine Mount: Morse Taper 3 (MT3)
- Chuck Mount: Jacobs Taper 4 (JT4)
- Supplier Part Number: MAG-AMT3JT4
- KMS Product Code: MAG-AMT3JT4
Common Shop Applications
- Mounting drill press chucks into lathe tailstocks.
- Adapting MT3 mill/drill machines to accept JT4 chucks.
Includes / Compatibility
- Compatible with King Canada KC-KDC34 Drill Press Chuck.
Recommended Shop Add-Ons
- Pair this arbor with a Jacobs Taper 4 Drill Chuck.
- Maintain your tooling with Machine Oil.
Frequently Asked Questions
Q: How do I install this adapter? A: Clean both the adapter tapers and the mating sockets thoroughly, then seat the adapter firmly to establish the friction fit.
Q: How do I remove this from my tailstock? A: Retract the tailstock quill fully; the internal screw will typically eject the MT3 arbor automatically.









