this Howa HO7M10 chuck needs some kind of non-standard t-nuts. anyone else out there running a SL3 with a 10" howa chuck? the t-nut slots are 28mm at the T head, 22mm on the T vertical. I have a set of 10" hard jaws, but these days the T nuts are all 16mm verticals not 22. also, the t nut slot depth is deeper than more typical 10" chucks. i can make my own t-nuts, but i don't do heat treating and grinding. would like to know how others have dealt with this type of chuck. its the factory chuck on this SL-3B

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