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Ahh, I hadn't thought about the stone expansion when wet. I also suspect the gap is too small to accommodate even a single wall 3D printed sleeve. I haven't decided yet if I will add a SJ-250 to my T8 setup, but I'll report back if I do.

Thanks for the information and discussion.

Best,
Don

Hello,

This is my first post to the forum as I'm a new Tormek T8 owner (DIY home use, not a sharpening professional). I have only the original SG-250 wheel at the moment but I'm curious about the SJ-250 stone and reports of wobbling due to the loose fit of the wheel on the T8 shaft.

How large is the delta between the T8 shaft OD and the wheel hole ID? Is it large enough (>0.4mm) so that one could simply 3D print a sleeve (e.g., using a 0.2mm nozzle) to slide over the shaft whenever mounting a wheel, or perhaps turn a thin sleeve on a lathe? I may never purchase a SJ-250 as it would probably be overkill for my home needs, but still wondering if there's a better solution to the wobble issue than needing to remount the wheel in the same orientation each time, i.e., the orientation in which it was trued. 

Cheers,
Don