You say the hole has wallowed out over the years. Was there
no tube welded into the original holes to take the pin? If
not I strongly suggest you simply drill the current hole
oversize, say 3/8", and weld or braze a 1/4" ID tube in
there.
Derek
David Cole wrote:
> What is the best way to drill a hole in round tubing?
> I need to drill a
> 1/4" hole through a section of 1.25" chrome moly tubing
> on the chassis of
> my race car. What is the best way to insure the hole
> will be centered and
> straight through. It will have to be done with a hand
> drill as the section
> can't be removed to be done with a drill press and
> press vice.
>
> The hole will be used for a pin to hold a front cannard
> wing. There is a
> hole already there, but it has been wallowed out over
> the years and it
> would be best to drill a new hole so the wing doesn't
> move.
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