Tapping hole in steel by hand is hard work. Doing one or two not a problem but 10,20 or more and it get old real fast.I have tapping heads and rigid tapping on most of my mills but on this little mill I do not have that feature.So this method works and has been tested on hole up to 3/8-16 It you ha...By: Koenigcnc
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from Instructables: exploring https://ift.tt/2RcXiXF
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