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Paul RC Machines is where I purchased my ER16 and ER20 collet holders. I did not see where they had a ER25 for the M12x1 spindle. They have a good product for a fair price, but the shipping was high

I forgot to add You can use a ER collet (grooved) in a E holder. But you can not use a E collet (non grooved ) in a ER holder. The ER holder has the snap ring inside it and it the snaps into the

There's a photo of an E and ER collet side by side on my blog http://paulthehalfwit.blogspot.com/2014/01/a-collet-chuck-for-unimat.html (my apologies if you've already seen it). As you're looking at a

Jeff Here is what I have on the SL I have purchased from both here: http://www.tomstoolstore.com/unimat-db-sl-belts-urethane-factory-weld-standard-set

Jeff The ER collets are easy to spot from the E. The ER have a groove in them at the widest part that goes all the way around them . On the inside of the nut is a "snap" ring that this groove snaps

Hey guys, need to get a belt set for my Uni 3 but more importantly my DB200 so I can run my scroll and circular saw. Does anyone know the sizes? They appear to be 5mm in diameter. I just need to two

Hey, In looking at the nut, it's hard to tell if the ring is eccentric.... ? -Jeff

I have both the ER16 and the ER20 for the unimat. I also purchased the cheap Chinese collet sets on Ebay. The ER20 set was missing the 5mm one, but had two of the 3mm. I contacted the USA seller and

That's just the difference I noticed - RegoFix collets are more flexible and have a finer finish - but I get the same concentricity from both, so I'm not sure it matters. I assume the flexibility

Hi Gang: I have ER-32 collets, and the difference I see in Rego vs. China, is the Rego flex with much less force. They are a little more shiny too. I built a M12x1 ER-32 collet chuck for my Unimat.

Certainly later collet holders take ER16s. Look for an eccentric ridge inside the nut - that engages on the collet and pulls it open when you undo it. This stops you having to stuff a bar up the

Hey guys Got to go looking for some collets for my Unimat 3 Collet Chuck. My understanding is they take ER-16's according to usually reliable : Lathes.co.uk/Unimat... Can someone verify that for me?

What is it worth in today’s dollars?

Green hammer tone would date it as about mid 1965 or a little later. The last of the MK4 lathes had the same green as the early die cast ZAMAC SLs. They were introduced in the MK2a era and came in

Cary, The color is green hammer tone. Made in Austria and has the original packet of blades. The unit is flawless. Dick

I am really hoping someone can provide a solution as I have the some problem. Larry

Hi all. I’m new to this forum, and want to thank you all for keeping it alive. I have a Uni Mk4.. .. cast iron unit. With the old bolt .. the one with the hole in it.. I find that this machine while

What color is the paint? Cary

Roman and Carl- I can’t slip anything past you guys. 12 m might just be exceedingly wippy! Accordingly I will order 12 millimeter bar. Bill --

If you extend the way bars 3-4" (75-100mm) past the end mounting you have room to mount a cnc stepper motor while maintaining the center distance. I think someone was planning on making 2 piece pens