CIF Carbide PCB Drill Bit, 0.5 mm, 3.17mm Diameter

The CIF Tungsten Carbide Drill Bit has Monobloc. Reinforced shank 3.17 (1/8 ") and Dia 0.5mm. .

• In stock from 0.3 mm to 3.17 mm
• Minimum drilling speed 20,000 rpm
• The smaller the diameter of the drill bit, the lower the speed will be. high
• Descent speed from 1.6 to 4 m / min
• Option, drill with ring on request