You were right on Jim. I got some cutting oil and drilled all the holes with
a hand drill. It was a breeze.
73,
Guy, N7ZG
> From: Jim.thom@telus.net
> To: towertalk@contesting.com
> Date: Wed, 24 Mar 2010 21:57:53 -0700
> Subject: [TowerTalk] Drill bits
>
> Date: Wed, 24 Mar 2010 13:25:33 -0400
> From: "Gary Schafer" <garyschafer@comcast.net>
> Subject: Re: [TowerTalk] Drill bits
>
> Lard or kerosene for aluminum, cutting oil for steel.
>
> 73
> Gary k4FMX
>
> ## I use this stuff called 'A-9' for aluminum, comes
> in a green tin.. and comes out green. It's made
> for AL only. Every metal and industrial supply place
> in town carries it.
>
> ## The other stuff I use is called ...'rapid tap'. and used
> for any precise machining, including tapping threads,
> and works on AL, steel, brass, etc. I use it when
> drilling steel.
>
> ## bottom line is, any lubricant is better than none.
> With 140 holes, I'd still use a punch.
>
> Jim VE7RF
>
>
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