On Dec 8, 2:48*pm, wrote:
*Ive used some 3/8 & 1/2 square tools that were factory ground to
about 1/16 on the end for parting
and cutoff. *They work great but when I tried to reproduce one from a
blank, well the results werent very good and it takes forever to grind
away that much material. *Has anyone ever ground there own ?

Yes. Push harder. HSS grinds very slowly until you apply a certain
amount of pressure, then the grinding effectiveness suddenly jumps way
up.

John Martin