Punches are great things. I've learned to design and print custom plastic
grommets to center larger punches on smaller holes to enlarge them without
screwing up position. Things like capacitor shaft holes when adding
reduction drives.
-Bob N3XKB
On Sun, Oct 10, 2021 at 1:26 PM Colin Lamb <k7fm@teleport.com> wrote:
> 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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