steel - Best way to drill square tubing (Without drill
2019-10-14 · So fix the drill in a neat way (parallel to surface = one main dimension plus 2 minor are fixed), clamp the 'on' button, and slide your tube towards it: Pressure you control now, and you only have to watch parallel-ness for the main source of variation (longer tube = more precise; equal pressure on both sides is the main …
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