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Name that collet quiz

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Keith Matheson	12/01/2016 20:47:23
43 forum posts 20 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
daveb	12/01/2016 22:47:52
631 forum posts 14 photos	Acramil perhaps.
Michael Gilligan	12/01/2016 22:55:35
23121 forum posts 1360 photos	Posted by daveb on 12/01/2016 22:47:52: Acramil perhaps. . Well done, Sir ! Looks likely: LINK MichaelG.
daveb	12/01/2016 23:16:32
631 forum posts 14 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.
Bazyle	13/01/2016 07:38:20
6956 forum posts 229 photos	The confusing thing is the thick end is the back, unlike any other collet. they only work with Clarkson collets ie threaded.
Michael Gilligan	13/01/2016 07:59:33
23121 forum posts 1360 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 1	13/01/2016 11:58:17
3357 forum posts 112 photos 10 articles	Almost certainly acramil. Try searching EBay for Bristol Erickson or Kennametal.

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