Why Choose This:★Features: Cutting Edge Diameter : 4mm / 0.16"; Shank Diameter : 4mm / 0.16"; Cutting Edge Length: 44mm / 1.73"; Total Length : 75mm / 2.95"; Cutting Direction: Right Hand★Black & Gold Oxide Finish: Premium gold titanium and black nitride dual coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant★Sharp Spiral Flutes: Provide neat and smooth cuts. High cutting edge strength, fast cutting speed. Spiral groove facilitates the export of metal chip, saving time and effort in operation.
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