B-1 Max. Depth of cut 0.25 on Dia. For all materials, cutting Speed 70 m/min.

B-2 Max. Depth of cut 0.25 on Dia. For all materials, cutting Speed can be more than70 m/min.

B-3 Max. Depth of Cut 0.25 on Dia. This geometry produces very good surface finish in C.I. and in Steel. Cutting speed in C.I. max. 20 m/min. in, steel max. 15 m/min.

B-4 Max. Depth of Cut 0.15 on Dia. For all materials max. Feed rate limited to 0.1 to 0.2 mm/rev. Only used for blind holes.