"PrecisionmachinisT" fired this volley
in news:5PSdndv_EPr9EjjSnZ2dnUVZ_gKdnZ2d@scnresearch. com:

FWIW : you might want to get a white wheel from Darex ( 80 / 100 grit or
so ) for roughing etc of HSS because although the borazon does produce
better finished work, it is painfully slow where you have any kind of
substantial amount of metal that needs to be removed.

80-grit white wheel comes with.

Most of my cutters only need "tuning". I seldom chip one, and never let
them get dull to the point of gumming up.

Lloyd