Carbide bits. Slow speed. Lottss of lubricant, Virg On Wed, 16 Nov 2005 10:50:39 +0100 Serge VIDAL <serge.vi...@sagem.com> writes: > This is one is for steel specialists: > > My taildragger KR2 main landing gear legs are made of spring steel. > They > hold to the gear brackets by 4 bolts each. The bolts are metric, > 10mm > diameter. > > I would like to change that for the nearest AN size. That would be > an AN7, > which is 7/16", that is 11.11mm. So I would have to enlarge the > holes. > > Now, I don't know much about steel, but I know by experience that it > is > very hard to drill through these legs, since 3 years ago, I tried to > drill > a couple of tiny holes to hold some brackets for the brakes lines, > and I > gave up. > > Questions, then: what are my chances to succeed, what kind of drill > bits > should I use, and what is the correct drilling technique? > > Serge Vidal > KR2 "Kilimanjaro Cloud" > Paris, France > _______________________________________ > Search the KRnet Archives at > http://www.maddyhome.com/krsrch/index.jsp > to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net > please see other KRnet info at http://www.krnet.org/info.html > >
Virgil N. Salisbury - AMSOIL www.lubedealer.com/salisbury Miami ,Fl
