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Re: [TowerTalk] Drill bits

To: "Tower and HF antenna construction topics." <>
Subject: Re: [TowerTalk] Drill bits
From: Charlie Gallo <>
Reply-to: Charlie Gallo <>, "Tower and HF antenna construction topics." <>
Date: Thu, 25 Mar 2010 13:46:19 -0400
List-post: <">>
On 3/25/2010 wrote:

> After breaking too many 6-32 and 8-32 taps in vhf/uhf cavity amplifier
> aluminum parts, I discovered a product named "Tap Magic for Aluminum".

Tap Magic for Aluminum is excellent - it's my choice #2 after Alumtap original. 
 BTW Tap Magic (without the 'for aluminum') is my choice for most other metals

A trivia for you - 6-32 taps are actually one of the easier taps to break.  The 
issue is that of the standard thread series (UNC/UNF) they have the worst 
major/minor diameter ratio, which makes them VERY easy to break.  It's actually 
harder to break a 4-40 tap

73 de KG2V

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