This is standard PCB Drill Set from Carbide 3D that supplies you with more options for drilling into copper clad on your Shapeoko or Nomad CNC machines. Each set includes three 0.5mm, five 0.7mm, and two 0.9mm PCB drills each with a 0.125" shank. Additionally, each drill is made of solid carbide to ensure long lasting use.
If you are wondering how best to utilize this kit, make sure to check out the free to use web app, Carbide Copper. Carbide Copper is CAM software to let you mill PCBs with your CNC machine and is the fastest way to make same-day circuit boards in your own office or shop.