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2020 Extrusion Drill Guide
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Drill guide to help enlarge the end hole on 2020 aluminium extrusion. Be sure your flow rate is calibrated.
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Helps align drilling out the end of 2020 extrusion to increase the bore hole. The tolerances on the insert and the extrusion are snug, so please calibrate your filament flow rate.
The inserts allow you to change the drill size, 4mm, 5mm or 6mm (M4 - M6) and replace the guide without reprinting the guide body.
Can be printed end on without supports. I recommend PETG as it fails more progressively and doesn't snap like PLA.