[Amps] Hole punches

[Carl]

I often use a step bit to enlarge holes in aluminum and steel.
Lubricate and dont overspeed.

Carl


----- Original Message ----- 
From: "Colin Lamb" <k7fm at teleport.com>
Cc: "Amplifier Reflector" <Amps at contesting.com>
Sent: Sunday, October 10, 2021 3:25 PM
Subject: Re: [Amps] Hole punches


>I recently had a transmitter that had holes cut for some capacitors. I 
>needed larger holes. But a hole saw  cannot easily cut a larger hole, so I 
>needed a hole punch. I found some Temco hole punches on eBay for $59.95, 
>which included free shipping. The are 1/2", 3/4", 1" and 1.25". These are 
>electrical conduit sizes. And they come with all the hardware. They are 
>very well built and are the sizes used for electric boxes. They have more 
>sizes, for more money. They normally are pretty expensive.
>
> Colin Lamb K7FM
>
>
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