With the machine ready, we need to get the right tools for milling PCBs. The most important of these is the engraving bit, responsible for committing all the actual traces onto the PCB.

Nano carbide ball nose Mill tools perfect for Hard Materials carbon steels , alloy steels , pre-hardened steels , hardened Steels, cast iron,Titanium Alloy, Graphite, plastic, composite material ...

Although this might look a bit odd if you’re used to working with ... because the PCB began to flex and wiggle itself loose before the milling process was finished. As it turned out, the trick ...