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RE: yikes! drill a hole
Al Powell wrote:
> Also required: 3/4" hole saw. (YIKES!! This is why I
held onto that antenna for 15 months before finally
Here is my chance to add a thought which might be helpfull.
Using a hole saw to drill auto sheet metal is never a clean
deal. The hole is likely to be rough around the edges.
True, the antenae base will hide it, but that's like hanging
a picture over a cracked plaster wall.
Go to an industrial supply house. Here in west michigan, an
outfit called Lamb has both auto supplies and industrial
supplies in the same building. Ask for a Greenly punch in
the required size. This is a two piece die cutter thing
that has a smaller bolt going through the middle. You drill
a small hold on center and thread the bolt through it with
one piece of the die cutter on either side. Tighten the
bolt with a wrench and the dies come together to make a
clean-as-a- whistle hole, just like a factory punched hole.
There is no metal shaving either!
You then take the die apart and discard the clean-as-a-
whistle round of sheet metal you removed.
I don't know what they cost, I inherited a set with six or
so sizes from my father-in-law, but I wouldn't imagine more
that 10 bucks. A good investment, if you ever need a clean
hole somewhere else.