Predrilling POM pinions, diameter of drill bit?

fellesverkstedet / fabricatable-machines

Motion systems for flexible digital fabrication and research. Easy to fabricate and customize. Documentation: https://github.com/fellesverkstedet/fabricatable-machines/wiki

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Predrilling POM pinions, diameter of drill bit? #28

Closed hwalseng closed 5 years ago

hwalseng commented 5 years ago

What diameter drill bit should be used for predrilling the POM pinions, before tapping M5?

hwalseng commented 5 years ago

4.2mm according to the M5 tap packaging 😅