For all orders exceeding a value of 100USD shipping is offered for free.

Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.

Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.

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, 0.1 mm, 0.2 mm, 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, each size has 3 pieces, totally 30 pieces in 3 boxes

Wide usage 0.1-1.0 mm 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