These drill bits work perfectly with PCBs but also many other materials. If you etch your own boards you will need to drill holes for your through hole components.
This pack includes 1 each of the following sizes:
10 pcs PCB drill kit 0.3-1.2mm Spec
Material: Tungsten Carbide
Cutting diameter: 0.3mm-1.2mm
Cutting length: 18mm
Total length: Approx.38mm
Shank diameter: Approx.3.175mm(1/8")
Range of processing: PCB, SMT, CNC board, mold, plastic, copper, stainless steel, and other precision metal parts processing.
Use high-quality materials and a fine grinding process to create a sharp cutting edge, reduce cutting force and broken drill.