BBCA-3/4-S 3/4" Shank 12Piece Carbide Tip Boring Bar Set
Grade C6 for steel and steel alloys. Designed so that the same bar can bore flat bottomed holes or face. By special grinding of cutting edge you can thread, groove or use the bar for automatic operations. These bars are made of extra heavy construction insuring that more steel is behind the cutting face for chatter-free and heavier cuts.