uxcell PCB drill bit 0.5mm tungsten carbide rotary tool jewelry CNC engraving printed circuit board micro 1 8 inch shank set 5

Features: Cutting Edge Diameter (CED): 0.35mm Cutting Edge Length: 5mm Shank Diameter: 3.175mm / 1/8 inch (approx.) Overall Length: 38mm / 1-1/2 inch (approx.) Cutting Edge Material: Tungsten Carbide Shank Material: HSS (High-Speed Steel) Package Contents: 10 PCB Drill Bits Description: 1. Long-lasting Tool: High hardness, high wear resistance, high strength, resistance to bending. Durable bits made of tungsten carbide provide an accurate and easy experience. 2. Spiral Flute Bit: The tip spiral flute drill bit features sharper cutting edges, reduces cutting force, prevents drill breakage, and improves drill accuracy. 3. High Precision: With sharper cutting edges, milling grooves, and clean surfaces, these tool sets work quickly and cleanly, leaving no defects or scrap. 4. Versatile: Ideal for PC boards, plastic, fiberglass, wood, and soft metals. Applications: PCB drilling machines, engraving machines, CNC, and high-precision special drilling equipment. 5. Good Replacement: Carbide PCB drill bits replace CNC machines and handheld tools. Large drill bit chip space, chip resistance, chip smoothness, and reduced heating for small drills. Note: The drill bits are very small and fragile, so please control the CNC speed carefully. Specifications: Cutting Edge Diameter (CED): 0.5mm; Cutting Edge Length: 6.5mm; Shank Diameter: 3.175mm / 1/8 inch (approx.); Overall Length: 38mm / 1-1/2 inch (approx.) Long-lasting Tool: High hardness, high wear resistance, high strength, resistance to bending. Made of tungsten carbide, providing an accurate and easy experience. Spiral Flute Bit: The tip spiral flute drill bit features sharper cutting edges, reduces cutting force, prevents drill breakage, and improves drill accuracy. High Precision: With sharp cutting edges, milling grooves, and clean surfaces, these tool sets work quickly and cleanly, leaving no defects or scrap. Versatile: Ideal for PC boards, plastic, fiberglass, wood, and soft metals. Applications: PCB drilling machines, engraving machines, CNC, and high-precision special drilling equipment.