0.3mm to 3.0mm Tungsten Drill Bit Set

Features:

Micro PCB drill bits, used to create tiny holes needed for a PCB
Made from tungsten steel with high hardness and wear resistance, not bend or break easily
Micro drill bits can prevent resistance, smooth to drill holes
Sharp cutting edge can reduce cutting force and improve drilling quality
Strictly symmetrical cutting edge, ensuring high efficient drilling and avoids deviation
Applied to PCB, SMT, mold, hardware processing, electronic industry, etc.

Sizes:
0.35mm, 0.6mm, 1.0mm, 2.4mm, 2.6mm, 3.1mm