Lothee Micro Drill Bits Set - tungsten steel 30 pieces 0.3-1.2 mm

Safe material: PCB drill bits are made of quality tungsten steel, not easy to wear and bend; The anti-vibration design of the blade makes it stable and reliable during the engraving process Improve precision: micro drill bits set adopts pointed cutting edges; The spiral cutting edge can reduce the cutting force, prevent the drill from breaking, and improve the machining precision, no burrs or debris Size information: PCB drill bit set contains various sizes of drill diameter, 0.3 mm/ 0.012 inch, 0.4 mm/ 0.016 inch, 0.5 mm/ 0.020 inch, 0.6 mm/ 0.024 inch, 0.7 mm/ 0.028 inch, 0.8 mm/ 0.032 inch, 0.9 mm/ 0.035 inch, 1 mm/ 0.039 inch, 1.1 mm/ 0.043 inch, 1.2 mm/ 0.047 inch, each size has 3 pieces, totally 30 pieces in 3 boxes Wide usage: 0.01-0.05 inch drill bits set is suitable for processing precision drilling of amber beeswax, circuit boards, CNC engraved jewelry, hardware, plastics and so on What you get: package comes with 30 pieces tungsten carbide micro drill bits in 3 sets, 10 pieces each set, packed in a box, which is easy for storage