BB NC Spot Drill Carbide Stub Center Bit 60 90 120 Degree 1-20mm Chamfer Location Prepare Guide Pilot Hole CNC Machine Tool Diameter:4mmx150L Cutting Conditions

Cutting Conditions

5 D4 10  50  4T 4R0

and easily and painlessly clean the area around the cuticle

Full Edge Polishing

1 D6 13  50  4T 5R0

BB NC Spot Drill Carbide Stub Center Bit 60 90 120 Degree 1-20mm Chamfer Location Prepare Guide Pilot Hole CNC Machine Tool Diameter:4mmx150L Cutting ConditionsBB Spotting Drills 60,90,120 degree drill point. TiN coated HSS: For mild steel and other soft metals. Manual grinding. Solid carbide: Spotting and centering work on NC and CNC machine tools. It is not recommended to use the hand electric drill Suitable for use on steels, stainless steel, cast iron, plastic, brass. It's not only as a center drill but as a chamfer tool as well . For accurate spotting on Machines. Precise drill positioning. Short