What would be ur chice of bit for cutting metal 1/16 or smaller?
Andy…Metal: Steel, Aluminum, Brass, Stainless, Gold, Silver, Cast Iron, Zinc, Magnesium, Lead, (I can go on…), but EACH type of metal can also come in a different TYPE of ALLOY and would require different settings, coatings, cutting fluids, cutters…so, how about helping yourself and tell us what kind of metal. (PS: ur = your). OR doing a little bit of research because your question has been asked many times before, OR we can address your question individually IF you can provide us with the missing information.
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We have a bit on endmill selection at: http://docs.carbide3d.com/support/#tooling-support and the community has more at: https://www.shapeoko.com/wiki/index.php/Endmills
As @RichCournoyer noted, the specifics of what and how you’ll be cutting are significant — but usually one can do well enough just by starting w/ a carbide endmill and working forward from that as a baseline.
To add a little here…don’t forget workholding, it can be really challenging for thin material that you’re trying to cut something out of.
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Mike makes a great point. I’d go as far to say this is as important as the cutting mill. In my early days I always came up against keeping my aluminium in place. These days I either clamp it in a machinists vice or use super glue and tape when it comes to sheet material.
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