Can someone identify this collet please

[Chris SheltonParticipant @chrisshelton11794]

[Chris SheltonParticipant @chrisshelton11794]

I won 10 x DK20 collets on an auction site and received these, can anyone identify them please, I would like to let the seller know what he has sent.

They are 60.5mm long and the major external daimeter is 35.00mm, a 1p coin is included to give some idea of the size.

Any help would be appreciated.

Thank you

[Sub MandrelParticipant @submandrel]

Never heard of them before, but google has plenty of hits (not just ebay) they mighht be Hardinge or 'System Erickson'

Neil

[Nathan SharpeParticipant @nathansharpe19746]

I may be wrong but I use DA 180 collets which are cross referenced I think as DK 18. Try a search for DA 200. Mine are , as Neil suggested, Erickson collets.

Nathan.

[mickParticipant @mick65121]

Could be wrong but they look like Myford one size spindle collets, if so they are tightened with a knurled ring that screws onto the spindle thread.

[David Clark 13Participant @davidclark13]

Hi There

I think we used these in large milling holders.

A search in some of the industrial catalogues may help.

regards David

[JasonBModerator @jasonb]

Look a lot like the TG ones on Rotagrips site

[Chris SheltonParticipant @chrisshelton11794]

Thank you all for the replies, I looked under Erikson and I think they are TG100's.

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