10pcs Twist Drill Bits Dia 9mm Tungsten Carbide Tip TCT for CNC PCB
- High Wear Resistance: High hardness, high wear resistance, high strength, with sufficient bending strength and wear resistance.
- Good Milling Performance: Has good milling and cutting performance to ensure high work efficiency.
- Pointed Cutting Edge: Pointed cutting edge, can be milled and trimming the edge of the orifice, the surface is clean, tidy and free of burrs.
- High Temperature Quenching Heat Treatment: High temperature quenching heat treatment, strengthen the overall hardness, more comfortable to use.
- Application: Can engrave PCB, CNC, circuit board, metal, plastic, wood, SMT, glass fiber, carbon fiber board, etc.
