I receive many requests for information about collets and collet fittings. Below is a summary of data that may be of help and a list of collet specifications for many makes of watchmakers' lathes

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Collets of all types: RC Machines Luxembourg … you will have to dig though the web site, but it's worth the effort, For unusual collets it's best to enquire (they speak English): ContPhone: +352-78-76-76 or email: info@rc-machines.com

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Schaublin Machines SA
Rue Principale 4
2735 Bévilard m SWITZERLAND
Phone: +41 (0) 32 491-6700
Fax +41 (0) 32 491-6708
eMail: info@smsa.ch

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For smaller precision collet try, in the USA:

Levin: http://levinlathe.com/page23b.htm

and

F.W. Derbyshire, Inc.
910 Boston Turnpike
Shrewsbury
Ma. 01545 
United States       
Phone: +508-842-8319   E-Mail: derbylathes@fwderbyshireinc.com
(I'm afraid that their web site is less than helpful)

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Hardinge
Another long-established and experienced maker of high-quality products.

Hardinge Inc.
One Hardinge Drive, Elmiram NY 14902-1507  USA
General Information: +607-734-2281    Sales: +800-843-8801
Sales Fax: +607-734-8819   Workholding Fax: +607-734-3886
Service: +800-424-2440
http://www.hardinge.com/

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ROYAL Collets & Workholding
200 Oser Avenue, Hauppauge, NY 11788, USA
Phone: +1-800-645-4174 or +1-631-273-1010
Fax: +1-800-424-2082 or +1-631-273-1066
http://www.royalprod.com/

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Zagar Collets and Workholding (U.S.A.) http://www.zagar.com

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In addition the following agent often has collet data and supplies not easily available elsewhere: http://www.workholding.com

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