End Mill 19.7-Mil Diameter, Square Profile 10-Pack PCB milling machine A premium PCB end mill

A premium PCB end mill capable of 20-mil isolation

Please note that Prometheus's spindle has special bit requirements and so we have our bits custom-made

Under no circumstances should you force a bit into the spindle

) combined with the machine make up the total retail price of $2

End Mill 19.7-Mil Diameter, Square Profile 10-Pack PCB milling machine A premium PCB end millA premium PCB end mill capable of 20 mil isolation. The square profile means you'll cut very precise (repeatable) gaps across the surface of the board. At 20 mils in diameter, it is more robust than the smaller end mills. Made from submicrograin carbide. Pack of 10