Rolling Mill

[Frank S]

Glad you got it it out. Now that that is over with get yourself another arbor of use a couple of MT 2 drills with some inspection die of your choice check them against the spindle taper. there was some reason it was jamed so tight. Possibly you may have over tightened the draw bolt . of what ever machining operation you did previously may have had a lot of vertical chatter which could act like a percussion hammer driving the arbor up into the spindle, no matter what the cause for peace of mind you should try hard to learn what it was so you can prevent it form happening again