I don't think that you are supposed to use any of the taper part of the bit for milling parts. I would either call is a ball nose bit of whatever diameter the smallest section is, or a ball nose of the largest section.
HTH,
Jay
I don't think that you are supposed to use any of the taper part of the bit for milling parts. I would either call is a ball nose bit of whatever diameter the smallest section is, or a ball nose of the largest section.
HTH,
Jay
"The bitterness of poor quality remains long after the sweetness of low price is forgotten"