Tools & Gear Lathe & Milling HSS-Co10

3826-12X3 12 x 3 x 90mm HSS Cobalt Parting Off Toolbit HSS-Co10 (Cobalt) Used to cut off (part) a section or workpiece from a bar being held in a chuck. Slightly tapered on both sides from top to bottom to reduce friction when parting. Ground with a flat top with some rake to ensure continuous “using up" of the blade. Must be used at a right angle to the axis of the lathe. Can also be used for grooving.