10 In 1 PCB Tungsten Steel Drill Bits Carving Miniature Drill Bits, Size:, 1.1-2mm, 1.5-2.4mm, 2.1-3.0mm, 0.1-1mm, 0.6-1.5mm

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1. Convenient opening, safe and efficient, strong wear resistance, durable2. Spiral groove, sharp cutting edge, large spiral groove design, prevent chip accumulation3. Positioning ring, reduce the time of machine debugging4. Anti-vibration design of the cutting edge to reduce the vibration of the machining process and improve the surface quality5. Neat and burr-free surface, strong anti-vibration6. Material: tungsten steel7. Scope of application: amber beeswax, circuit boards, Bakelite, CNC engraving plexiglass, jewelry, hardware and plastic drilling processing8. Size: length about 3.8cm, shank diameter about 3.175mm9. Weight: about 40g / setSpecification: Package Weight One Package Weight 0.06kgs / 0.14lb One Package Size 10cm * 6cm * 2cm / 3.94inch * 2.36inch * 0.79inch Qty per Carton 468 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 468 pcs = 82836 pcs40HQ: 412 cartons * 468 pcs = 192816 pcs Show more