what is the name of these threaded fittings?

I have only seen them used in kit furniture, never the good stuff. The outside diameter is about 15 mm and has a coarse thread that screws into a hole in the wood. In the centre is an internal thread of about 5-6 mm into which a small bolt is screwed.
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On Thu, 29 Nov 2007 05:39:10 +0000 (UTC), Anonymous Sender

Threaded Insert
http://www.leevalley.com/hardware/page.aspx?c=2&pD203&cat=3,41306,41311 http://www.rockler.com/search_results.cfm?filter=threaded+insert&submit.x &submit.y=7 http://woodworker.com/cgi-bin/SEARCH.exe?ADS=&SEARCH=threaded%20insert&OLDINDEX 0711195573414170&JUMPTO=3&SHOWCOUNT &RESTRICTCATEGORY=on&RESTRICTBRAND=on&RESTRICTDESCRIPTION=on&RESTRICTHEADLINE=on&RESTRICTCOPY=on&SEARCHMODE=2&LC0.003&CATVALUE0.,
or Google "Threaded Insert"
Tom Veatch Wichita, KS USA
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wrote:

They're called "threaded inserts" and are available from Trend; page 149.
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