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Name that collet quiz

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Keith Matheson12/01/2016 20:47:23
26 forum posts
11 photos

Hi

I have acquired a small,set of collects but have no idea what type they are. Anyone have an idea as usual google images searches have not been successful.

Many thanks

img_1586 (1).jpg

daveb12/01/2016 22:47:52
609 forum posts
10 photos

Acramil perhaps.

Michael Gilligan12/01/2016 22:55:35
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13974 forum posts
605 photos
Posted by daveb on 12/01/2016 22:47:52:

Acramil perhaps.

.

Well done, Sir !

Looks likely: **LINK**

MichaelG.

daveb12/01/2016 23:16:32
609 forum posts
10 photos

I have Titanic MK1 and BSA milling chucks which use similar collets. There is a threaded disc, a sleeve with an internal taper and a nose ring with a flat internal face. The end mill goes into the collet, the collet goes into the sleeve and the disc goes on the end, this assembly goes into the chuck and the nose ring is screwed on. The endmill is adjusted until the collet just starts to lift and the nose ring is firmly tightened by hand. I still use them occasionally, they work well but the Clarkson chucks are a bit less fiddly.

Bazyle13/01/2016 07:38:20
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4714 forum posts
186 photos

The confusing thing is the thick end is the back, unlike any other collet. they only work with Clarkson collets ie threaded.

Michael Gilligan13/01/2016 07:59:33
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13974 forum posts
605 photos
Posted by Bazyle on 13/01/2016 07:38:20:

The confusing thing is the thick end is the back, unlike any other collet. they only work with Clarkson collets ie threaded.

.

Really ? ... Now I am confused.

The link that I posted yesterday offers a range of holding sizes from 2.9mm to 20mm diameter.

Grateful if you could explain in more detail.

MichaelG.

David Clark 113/01/2016 11:58:17
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3357 forum posts
112 photos
10 articles

Almost certainly acramil. Try searching EBay for Bristol Erickson or Kennametal.

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