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Cutting holes in metal
Samstag:
Those circle cutters need a slow rotation rate and lots of patience on metal to prevent overheating. They work great in a drill press.
mark shaker:
I agree with the Greenlee Punch.
You drill a sloppy pilot hole, assemble the punch *, and slowly tighten it with a ratchet. It will make a perfectly clean, perfectly round, precisely placed hole.
* It consists of 3 parts, a punch on one side of your stock, a die on the other side of your stock, and a bolt that connects the two through the pilot hole.
- Mark
mmmPeanutButter:
--- Quote from: mark shaker on February 24, 2006, 08:27:57 am ---I agree with the Greenlee Punch.
--- End quote ---
I used the Greenlee punch on mine. Amazing results. And super easy and quick...
...but what about the thickness? 3mm? Seems really thick. Anybody used a greenlee on something this thick?