10 шт./набор 0 3 1 2 мм

Reminder: This link is the purchase link of 0.3-1.2mm PCB Drill Bit, if you want to order 0.1-1mm PCB Drill Bit, please contact us.

Complete specifications, sharp and durable, simple and convenient operation

1.PCB drill bit

Smooth chip evacuation, low resistance, low heat generation during drilling, reducing drilling pollution

Scope of application: precision drilling of amber beeswax, circuit boards, bakelite boards, CNC engraved plexiglass, jewelry, hardware and plastics, etc.

2.Four highlights

Convenient opening, safe and efficient, strong abrasion resistance, durable

3.The surface is neat and free of burrs

The double helix has stronger anti-vibration than the single blade, it is not easy to collapse, the chip removal capacity is large, and the processing efficiency is high.

4.Tungsten steel drill bit with ease

Precision grinding technology, strong wear resistance, high hardness, durable

5.Good chip removal and high durability

Double-edged milling cutter has sharp edge, fast chip removal, high durability and continuous cutting

6.High-quality packing box 10 boxes

Hard box packaging configuration, better protection of the drill

1. When punching, it should be in a vertical direction. Don't use too much force. Slowly twist the hole in one direction. The needle

Don't break it hard, don't pry, otherwise it's easy to damage!

2. Do not clamp it on a hand drill and rotate it at high speed to make holes, otherwise the amber will collapse.

3. For the perforated type, please pay attention to clean up the surrounding powder while rotating.

4. Grasp the tail of the drill bit by hand and slowly rotate and drill. When it is about to get through, pay special attention to reducing the speed and strength.

5. If you feel that the needle is tight when it rotates, please withdraw the needle, clean the hole and re-enter the powder!