Lard or kerosene for aluminum, cutting oil for steel.
73
Gary k4FMX
> -----Original Message-----
> From: towertalk-bounces@contesting.com [mailto:towertalk-
> bounces@contesting.com] On Behalf Of johne tds.net
> Sent: Wednesday, March 24, 2010 11:50 AM
> To: Tower and HF antenna construction topics.
> Subject: Re: [TowerTalk] Drill bits
>
> Try the gold color bit ( Titanium nitride coated twist bit) and animal
> fat or lard is the best lub to use.
>
> de John K0CQW
>
> On Tue, Mar 23, 2010 at 11:11 PM, Guy Molinari
> <guy_molinari@hotmail.com> wrote:
> >
> > Hi all,
> >
> > I don't know why this is so hard. I'm trying to drill out some
> hole on some 3/8" steel plates that I'm going to have galvanized. I
> bought a 13/32" drill bit and it worked great for about 10 holes or so.
> The problem is that I have about 140 more to go. Any recommendations
> on a good quality drill bit?
> >
> >
> >
> > 73,
> >
> > Guy, N7ZG
> >
> > _________________________________________________________________
> > Hotmail: Trusted email with Microsoft?s powerful SPAM protection.
> > http://clk.atdmt.com/GBL/go/210850552/direct/01/
> > _______________________________________________
> >
> >
> >
> > _______________________________________________
> > TowerTalk mailing list
> > TowerTalk@contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk
> >
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
_______________________________________________
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
|