1 M.T.-4JT Jacobs Drill Chuck Arbor (limited stock)
Model #: JACA-1M-4J
- Shank Size: 1 M.T
- Chuck (Jacobs) Taper: 4JT
For drill chucks with Jacobs taper backs.
Determine both shank size (to fit into your Drill Press,tailstock, etc.) & chuck (Jacobs) taper to order the correct arbor.
Dimensions of Morse, Jacobs, and B&S tapers are posted in the "Metalworking Reference" portion of this website.