หลักสว่านบิตชุดสว่าน

CNC milling machinery TCT drill bits taper drill bits 6*50mm Quick details 1: solid carbide materials 2: making tapered hole 3: General speed or high speed milling 4. Tungsten carbide tips hardness HRA91.5-HRA92.5 5. Special cutting angle of tip and various profiles. Design for wood cutting. 6. Rough grinding and finished grinding by CNC grinding machines 7: RPM: n max.=24000/min. 8. High stability and low vibration cutting without burrs and burned. 9. Machine: overhead