How Do You Efficiently Grind A Hss Boring Bar

[stupoty]

Start with a round blank, split one end on center, (at one time you could buy round blanks with split ends from McMaster) 1/4" back from the cutting edge, grind a few .000's clearance on the body so that it doesn't hit the finished bore, grind a small bit of clearance on the front then rotate the tool post so that the back side of the tool will clear the back side of the bore at depth.
Rotating the tool post lets only the cutting edge contact the work minimizing the clearance grinding, if a flat bottomed hole is required attention must be paid to the angle at the front of the tool.

Where did Wreck Wreck go by the way ?

I miss him politely moaning at people and stuff

Stu