- Additional information
Tap, Metric M4.2 x .35, Tapered
The thread fits our item #10205 mechanism. Drill a pilot hole with a #22 drill bit, using light pressure, for proper threading. This is a tapered tap to be used for a through hole. For a plug tap – carefully grind to leave 3 – 4 starter threads; for a bottom tap – leave 1 – 2 start threads.