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General Mach Discussion / Re: Mach3 and Tapmatic Tapping Head
« on: November 04, 2012, 11:01:22 AM »
Also, spiral fluted taps are the most fragile taps there are. If you have a deep hole (enough for the chips to pack into) a spiral point would be stronger. If your tapping softer metals, a forming tap would be the strongest.