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    jackyqweasd984
    May 04, 2020

    Tap holes on the 3D printed components

    in General Discussion

    Dear guys, for the 3D printed AR3, how do you tap holes? For those structural components, is there a summary page that specify which hole need to be threaded with which tap size?


    Sometimes I already assembled a part and then realized a hole is not tapped on it. It will be nice to have a summary of all the tap specs. Thanks!

    1 comment
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    Chris Annin
    May 05, 2020

    I would tap each hole according to the screw called for in the directions, I apologize that I didnt include that in the BOM or summary. I would clear the hole with the appropriate size drill first and then just use a hand tap. for a 3mm screw I use a 2.5mm drill and for a 4mm screw I use a 3.3mm drill.

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