Cobalt Micro Drills
Cobalt drill bits for micro drills for precision drilling of small diameter holes in a variety of materials.
Cobalt Micro Drills Facts:
Cobalt micro drill bits generally made of 85 to 95 percent tungsten carbide and contain between 5 to 15 percent cobalt.
- Tool guy
Micro drills with drill bits containing cobalt are commonly used for drilling printed circuit boards.
- Steve L.