Ginode 10Pcs PCB Print Circuit Board Tip Spiral Flute Carbide Micro Drill Bits 0.3mm-1.2mm PCB Jewelry Making CNC Engraving;

â–²Specification:
● Material: Cemented carbide & HHS
● Shank diameter: approx 1/8"
● Length: 38.1mm / 1.5"
● Quantity: 10pcs
● Cutting Edge Diameter: 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2mm

â–²Features:
● The cutting edges strictly avoid partial hole, ensure the quality.
● Great for PC Boards, Plastics, Fiberglass, Wood, Soft Metals, etc.
● Large drill bit chip space, chip resistance,Chip smooth, small drilling heat, reduce smear.
● Cutting edge strictly symmetrical: beneficial and efficient cutting, avoid offset drilling.
● Drill has a large scraps discharge space, little resistance and smoothly during the scraps discharge.
● High hardness, high wear resistance, high strength, resistance to bending, anti-impairment and long tool life.