As Kane says Star Washer?
http://www.bakfin.com/terminology.htmlhttp://www.bakfin.com/terminology.html

http://uk.rs-online.com/web/search/searchBrowseAction.html?method=retrieveTfg&Ne=4294 957561&N=4294955445http://uk.rs-online.com/web/search/s...1&N=4294955445

(Message edited by woody on September 05, 200