Features: Machining hardness reach ≥HRA85. High efficiency, high-quality finish, long service life, good economic returns. Easy to use, safe and reliable, can reduce labor intensity. Mechanical parts chamfering, rounding and groove processing. Dual Chamber is crossover lines, not easy to block the lines, more suitable for the object of relatively low density material. Description: Material: Carbide Steel Cutting edge diameter:as the below picture Shank diameter: 6mm Head diameter:10mm Shaft diameter: 3mm Drill Bit size: 6mm Compatibility: smaller rotary tools such as those made by Dremel
