MTFCA Forum

I asked this question several years ago and got several suggestions, but I didn't follow through and buy the tool at the time. Something about a tool used in cutting holes in radio cabinets, or something like that. I found them for sale on EBAY, but didn't save the information. What am I looking for?

If you’re trying to be authentic...

Greenlee punch springs instantly to mind.

http://www.mtfca.com/discus/messages/50 ... 1438184121

I bought a harbor freight hydraulic knock out punch set and it works like butter. not sure if it has the size you need but check it out.

Kevin, how can a can opener dated 1956 be authentic for any T model?

Allan from down under.

Sorry Allan... was the oldest one I could find a picture of...

You'll find a hole saw is the way, neater than a can opener

Here is an old time original, with bit and brace to cut....work out.


I have one like this that was my Dad's from the 50's. Works great and has all its cutters too for different diameters.

Or get a single size cutter for your speedometer o.d.

Using a hole saw for the size you need will work fine or a Greenlee hole punch will work also.
It’s a metal dash and the 2 items mentioned above are used for cutting holes in metal doors, electrical panels, boxes and etc.
if you have a Grainger industrial supply close to you they have everything you need. They also have an online catalog you can check out. I worked as a maintenance mechanic before I retired and used both in all kinds of metal panels and etc.
They will definitely work.

I stand corrected... turns out the P-38 can opener wasn’t invented till 1942. So NOT a period correct holemaking method. Guess you’re goin to have to look for an ‘ol bit and brace... or get out the ‘ol trusty cold chisel!!

Lacking the proper sized hole saw, I used this Adjustable Circle Cutter I had on hand.

Try a tool rental store. They usually have quality specialty tools for rent at affordable rates.

The P38 key is a great invention. I retired from the commercial nuclear industry and carried one on my work key ring. A very useful tool. Wish that I still had mine. I "willed" it to a newbie when I left. I haven't replaced it yet.

Kim R. Wynn