On Nov 11, 5:04*pm, cfinn wrote:
On Nov 11, 7:09*pm, "John Bojack" wrote:

Here in the states I find it impossible to find metric hole saws.....so,
what have others done when cutting new panels for 57mm instruments?

Thanks!

J4

One of the best ways is to use a hole punch. You need a 1 1/4 inch
size. Aircraft Spruce carries them. Here's a link:http://www.aircraftspruce.com/catalo.../knockout2.php.

Charlie

Charlie, I think you meant to type a 2 1/4 inch hole. 57MM equals 2.24
inches. Doug