Posted 4/9/2025 14:53 (#11182752 - in reply to #11182746) Subject: RE: what tap do I need?
West Chazy, New York
The M means metric
The 4 means 4mm diameter
The 10 means 10 mm long
What you need to order a tap is the thread pitch. The choices are 1.5 coarse or 1.25 fine. The pitch is the distance between threads in mm.