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When you are use to the North American (and Unified) thread system the metric one takes a bit of getting used to, but then the USA system does not make much sense if you are used to metric. (Trying to

Can you measure the play in the chuck?? For a 3-jaw lathe chuck, 0.003", or about .5mm, is a pretty good chuck. A drill bit in a Jacobs-style chuck used on the tailstock, will tend to center itself

Hello: Actually, I am looking for a drill chuck.? ;^) The one at littlemachineshop is unbranded/unknown origin and costs me a midget more than the Jacobs I have been offered, to which I have to add

I see I missed that you were looking for a Jacobs chuck, not a lathe chuck. Little Machine Shop has those also, see: https://littlemachineshop.com/products/product_view.php?ProductID=2951&category=

Check out Little Machine Shop, they have 3 ans 4 jaw models. https://littlemachineshop.com/products/product_view.php?ProductID=2916&category=

Hello: My U3 was agreat deal, just the milling table that came with it justified what I paid. But as proof that you cannot have everything , the drill chuck that came with with the package is in sad (

Thanks for posting the drawing, Keith. There is nothing quite as rewarding as making your own! That is what these little machines are for. Dick

Thanks for that info! I was going on the little bit I could find on the charts I have, and don't have a great deal of metric standards info without digging through a copy of Machinery's Handbook,

Thanks, Keith! I knew I'd seen a drawing of that part, but couldn't find it in files! And I like the alternative cross+slide, too! Bill in OKC? William R. Meyers, MSgt, USAF(Ret.) Aphorisms to live

M12 × 1.75 is standard metric coarse, usually written M12. M12 × 1.25 is the Fine thread. M12 × 1 is from the constant pitch series (all 1 mm pitch) used on standard diameters from 8 to 32 mm (but

Awesome, thanks! SL wrote:

My drawing of the original screw and my alternative form, with a hex head, can be found at /g/Unimat/photo/195780/2247178?p=Name%2C%2C%2C20%2C1%2C0%2C0 - that's in my photo album

Work smarter, not harder. SL [email protected]> wrote:

That's cheating! And "if you ain't cheating, you ain't trying" is an old military maxim, so don't feel bad about it! I've got an Atlas TH42 and a Smithy CB-1220XL 3-in-1 lathe/mill/drill plus three

Hi Mehmood, I'm in the same boat..I have made a few brass cannon,a muzzle flip compensator for a pistol, typical shop-class projects, on a Chinese 6 X 12, after spending many hours honing the gibs on

I'm going to say it SHOULD be doable on a Unimat. SHOULD, I say! ;) And my wife tells me, when I do that, that I'm shoulding all over myself! ;) I have larger lathes, too, so I guess I need to try

If you are going to make your own, Mr Lynch, this is the fun bit - making the hex socket! https://www.youtube.com/watch?v=yHuwBwmV1OE I have never got anywhere near this level of technique yet - my

Thanks for the tip, that's the very one I ordered yesterday. We have a Metals Supermarket here in Ottawa, I'll get some bar stock. Cheers SL [email protected]> wrote:

Hi Neil, I ended up ordering a M12 x 1 Die set from Amazon. I'll get some bar stock and make my own ! Thanks for the info. Cheers SL

Lowes and Home Depot don't have those taps and dies. They're not standard metric threads. M12-1.25 & M12-1.5 are Metric standard threads, and those are what you might be able to find at Lowes or HD.