uxcell Micro PCB Drill Bit Set 3.175mm Shank 0.95mm Solid Tungsten Carbide CNC Engraved

PCB Drill Bit: Tip Diameter: 0.95 mm; Shank Diameter: 3.175 mm; Total Length: 38 mm High hardness, good toughness, wear resistance, high strength, and bending resistance Wide application: suitable for drilling PCB, acrylic, plastic, fiberglass, wood, aluminum, and soft metal. Used in PCB Excavator, Carving Machine, CNC Lathe and Machine Center Use vertically to control the CNC speed properly SHARP TIP: The sharp edge ensures smooth cutting, reduces cutting resistance, prevents drill breakage and improves drilling accuracy. Tool set works quickly and cleanly without leaving any glitches or scraps Tungsten Carbide Tool: Long lasting bits are made from tungsten carbide for accurate and easy experience. Carbide runs faster than high speed steel. Carbide with excellent milling machine and cutting performance ensure high working efficiency Tip: The longer the tool you clamp by the chuck, the better the length of the tool. If the tightening length is short, it is necessary to decrease feed and cutting speed to reduce vibration and extend tool life. Combine with materials to handle and select the appropriate feed and cutting speed

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