beck3906
Member
Does anyone know what size collets these chucks take?
http://www.woodcraft.com/product.aspx?ProductID=146110&FamilyID=5352
Thanks
http://www.woodcraft.com/product.aspx?ProductID=146110&FamilyID=5352
Thanks
Collet Chuck Sizes
- Thread starter beck3906
- Start date
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Randy_
Member
Email or call Woodcraft and ask them. They can't be ER20s because they only go up to 1/2". Might be ER25s or they might be a proprietary size. Haven't got a clue.
pipecrafter
Member
Those look for all the world like ER25 collets. IIRC, ER25 goes to .630", so their 5/8" max size jives with that.
JeffinWIS
Member
I don't think those are ER collets. Looks like a TG collet. JMHO
pipecrafter
Member
You might be right, Jeff. It's tough to tell, but yeah, they have the right shape to be a TG.
sbell111
Member
sbell111
Member
I finally got around to measuring the Woodcraft collets. They measure 24mm in diameter and 45mm long. This is slightly smaller than TG75.
Randy_
Member
Well, it is obvious that no one knows the answer to this question or they are not telling so I got tired of waiting and called the technicians at Woodcraft.
The guy told me they had been asked this question about 6 months ago and were told by someone that the collets were ER32 "compatible." I explained to him why I thought that might be in error and he volunteered to pull a set from the warehouse shelves and measure them up to see which series they actually were or if they are a proprietary size. He is going to email me with the results of his investigation in the next day or two so we should have a definitive answer shortly.
The guy told me they had been asked this question about 6 months ago and were told by someone that the collets were ER32 "compatible." I explained to him why I thought that might be in error and he volunteered to pull a set from the warehouse shelves and measure them up to see which series they actually were or if they are a proprietary size. He is going to email me with the results of his investigation in the next day or two so we should have a definitive answer shortly.
Randy_
Member
Here is a chart which purports to show the dimensions for many standard collet series. There is no series that matches the dimensions that Steve collected for his Woodcraft collets.
That would suggest the WC collets are a proprietary set unless something else is going on that we don't understand??
https://www.onsrud.com/oc/pdf/OCACC08Catalog.pdf
(Note: Last page all the way at the bottom of the PDF.)
I'm going to do a little more searching to see if there is more to be discovered??
That would suggest the WC collets are a proprietary set unless something else is going on that we don't understand??
https://www.onsrud.com/oc/pdf/OCACC08Catalog.pdf
(Note: Last page all the way at the bottom of the PDF.)
I'm going to do a little more searching to see if there is more to be discovered??
Last edited:
Randy_
Member
The Woodcraft tech got back to me this afternoon and said the collet measurements did not match any known standard sized collet that he could discover. That suggests these are a special size made just for the Woodcraft collet chuck.
He said he would continue to do a little more research and notify me of any interesting discoveries.
He said he would continue to do a little more research and notify me of any interesting discoveries.
sbell111
Member
At this point, it doesn't matter much if they are proprietary, or not. Since they are not a common size, buying additional collets to fill the holes is going to be prohibitively expensive.