Spindle, Mini Lathe, 3MT

Swapped this onto my 7x12 after the original spindle developed a wobble, and the difference was immediate. Runout is minimal and my chuck mounts up tight every time. Fit and finish is better than I expected for the price.

The 3MT taper mated perfectly with my tailstock chuck, no wobble at all. Runout on a test bar came in under a thou, which is better than the spindle it replaced. Fit my 7x10 without any shimming.

Swapped this into my 7x12 after the original spindle developed runout, and the 3MT taper seats my chuck dead true now. Threads lined up on the first try, no shimming needed.