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If you've ever ground a 1/2" or larger lathe tool, you'll know that lighter tooling has its advantages, but compared to 6mm stuff, I wouldn't think it would matter that much. I will try to avoid

Figures, I "open my mouth" with the keyboard, the internet slaps me in said "mouth!"? Lot cheaper to buy the square HSS stock, but might be nice to have that material for special projects. :) Bill in

I don't think you're going to find those anymore, except maybe as New Old Stock (NOS) from an antique dealer or Unimat aficionado. If you have them, treasure them! If not, get stuff that's easier to

Dave, have you tried the Shars collets? They posted on their site a TIR of 0.0003 for the ER40 style. Get Outlook for Android<https://aka.ms/AAb9ysg> ________________________________ Sent: Sunday,

Two years ago I got chinese ER40 chucks in a number of styles (R8, 40 taper, MT3, and one I'm forgetting at the moment), and the chucks are all within .0002-.0005 runout, but the collets I've tried

My father bought the boring bar portion of the system, and I still have it and about 3" worth of the consumable tool stock.? I haven't used it very much, but it's worked very well when I have.? I

i have these and use them in addition to straight up hss tools. these are not as rigid, i get more chatter and worse finish, at least on steel. Best Regards John

Interesting idea.? If the question is why didn't this idea take off, I don't know.? Perhaps because it adds more cost to buy the blank compared to plain blanks.? And perhaps not with much benefit.

There are some on ebay UNIMAT Edelstaal Insert Replacement Cutters, M2 & HSS Ref 2722, NOS, Vintage #80 ebay.com Best Regards John

One reason I couldn't find much information on these was that I misspelled Edelstaal. Here is a closeup look at the inserts, they are preformed and not square. Says that they come in M-2 HSS, T-15 HSS

My ISP marked your email as spam, and I had to restore it from the spam folder. On top of that, though possibly because of that, the photos you attached don't have high enough resolution for me to

I think it is definitely worthwhile learning to grind your own tool bits.? And learning why some metals and other materials work better with different angles here and there (positive rake - negative

Shortly after acquiring my lathe I ?was called away from home for an extended length of time, finally after getting caught up on my chores I’m able to spend some time with my new to me lathe. Being

Hi Gang: When I made my M12/ER-32 chuck I used a stone on the chuck to make it mount true: I really like the chuck, it is great holding wood dowels. Carl.

And of course the sort of runout you should expect is more like 0.0004" If you can do the M12 thread and recess, then the 8° taper shouldn't be too bad - might take a few goes to get it right. Then

John,I have a complete set of 25?ER32 collets and recently purchased an ER32 collet closer nut. I intend to use this mounted on my Unimat DB200. This plus my Unimat chucks should cover most of my

If you can figure out which side is high, try clamping it in a vise and applying a bit of pressure. It may improve. It may get worse. It may not change at all. In the second & third case, a bit of

A while back we were kicking around a thread on collet chucks. There was talk of making your own, and there was talk of one on ebay UK. One member here (sorry, I forget who) posted that he’d bought

Can you share some pics? Best Regards John

Pics? Kit Maira kit.maira@... Support the Cause of Peace Visit www.antiwar.com