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

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

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

Positioning ring, reduce the time of machine debugging

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

Neat and burr-free surface, strong anti-vibration