Union Tool 108-W257 Drill Bit Set (0.1~1mm)

Complete specifications, sharp and durable, simple and convenient operation

• PCB drill bit

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

Suitable for processing precision workpieces such as circuit board, glass, fiber, resin, amber, etc.

• Four highlights

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

• 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.

• Tungsten steel drill bit with ease

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

• Good chip removal and high durability

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

• High-quality packing box

Hard box packaging configuration, better protection of the drill​