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Forgot to mention that it's a 1/3hp 115VAC/DC universal motor, so it should be speed controllable, too. Supposed to have a 3-wire grounded plug, but not anymore. Will have to fix that. Looks like

Got it a bit ago, did some measurements with my HF 12" digital caliper, numbers aren't exactly right, but based on sizes and fairly close dimensions, it's a J-3, spindle says 35000rpm, designed for

I found their website Sunday, and downloaded a number of their parts lists with diagrams. Is where I found out the sizes of the spindle nuts. Also one that shows the dimensions of the various

Themac LLC 117 Patterson St Hillsdale, NJ 07642 (201) 438-2313 info@... Parts are still available. I have a J45.

I don't know what version it is now, but I'm hoping, based on apparent sizes of the spindle nuts and such that it's one of their smaller, J-2 or J-3 machines. Those are sized for 9-12" lathes. It

Just watched both videos Dennis; spot on thanks. wrote:

On 7/23/23 15:13, Bill in OKC too via groups.io wrote: I got a TheMac J4 tool post grinder many years ago.? I put it on a 12" Craftsman, and it was really a bit too large for that lathe.? Now, I

See Mr Pete222 you tube channel. I believe that that is his favorite style of knurling tool Dennis via Moto Z3 716-720-0940

What I get is in the first two photos I posted. I will be needing all but 2 pullieys,? belt guards, and internal grinding adapters, plus some grinding wheels. Some put a 6" grinding wheel on it, and

Steven: thanks for the information and especially the suggestions. I'm very new to this so the specific ideas to make it work are very helpful. Bryan

hi bill i have a lot of spare parts for the themac grinders let me know what you need off hand you need a few different pullies to adjust the speed for different size wheels also you need the mount to

This knurling tool was used in screw machines and turret lathes. This could be used on your lathe if desired. A collet chuck arbor in the tailstock would work. A boring holder in a quick change tool

Low end, the spindle nuts are 3/8"-24tpi left or right hand thread, high end 3/4"-24tpi for a J-7 Themac. I'm guessing they're 3/8" nuts, and the screws that hold the spindle on are 5/16"-18, which

It's kinda hard to get any scale from the pics , but that motor looks to be 1/2 the size of the motor on my Atlas TPG? . If that's so that's a real nice feature . animal

Thanks all. Turret lathe tool makes sense now that you all have pointed it out.

Plan on it, later in the day. ;) Or may wait until I actually get it, take some measurements, and then I'll have a lot more info to work from to identify which one I have. They have a couple of models

Has T-nut setup. Will need some work to get it the correct size of T-nut, of course. I'll have to see what size fastener they used, and make a T-nut to fit that, as the T-nut on my machine matches the

??? ??? I'd do some askin over here https://www.practicalmachinist.com/forum/ ??? animal

??? ??? MY bad , I didn't see the" turret " in Bill's reply , so in that case I second what Bill said . animal

??? ??? Maybe for use in a turret lathe . animal