On April 30, 2020, our company conducted a steel parts engraving. The following are more details
BUY IT NOW：https://www.china-cncrouter.com/inquiry.html?231
Engraving steps and mills： rough engraving by 6mm 4 fluts end mill ,accuracy engraving by 6mm flat bottom engraving bits
The same machine carves copper mirror：https://www.youtube.com/watch?v=SBjV5z7waVE
more details：https://www.china-cncrouter.com/news/steel-structure-small-cnc-wood-router-metal-milling-and-engraving-machine-for-steel-parts.html
source