10 In 1 PCB Tungsten Steel Drill Bits, Size: 0.6-1.5mm

10 In 1 PCB Tungsten Steel Drill Bits, Size: 0.6-1.5mm

1. Convenient opening, safe and efficient, strong wear resistance, durable

2. Spiral groove, sharp cutting edge, large spiral groove design, prevent chip accumulation

3. Positioning ring, reduce the time of machine debugging

4. Anti-vibration design of the cutting edge to reduce the vibration of the machining process and improve the surface quality

5. Neat and burr-free surface, strong anti-vibration

6. Material: tungsten steel

7. Scope of application: amber beeswax, circuit boards, Bakelite, CNC engraving plexiglass, jewelry, hardware and plastic drilling processing

8. Size: length about 3.8cm, shank diameter about 3.175mm

9. Weight: about 40g / set

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