Posted by MoparNorm [71.110.251.13] on Friday, August 06, 2010 at 10:53:33 :
In Reply to: Re: They're aerospace: "tri-wing" posted by Doug in CO [68.177.210.73] on Thursday, August 05, 2010 at 14:26:28 :
Doug got it right. I have a bunch of the "tri-wing" titanium machine screws for use in severe exposure items...but I lost the bit to take them apart...ha! ha!
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