End Mill 94.5-Mil Diameter, Square Profile 10-Pack PCB milling machine the Prometheus mill itself is

the Prometheus mill itself is $2

A premium PCB end mill capable of less than 3-mil isolation

our feed rates can be higher even with small diameter tooling that would otherwise break in other machines

The tapered design improves strength and allows for higher feedrates

End Mill 94.5-Mil Diameter, Square Profile 10-Pack PCB milling machine the Prometheus mill itself isA premium PCB end mill . 0945 inches in diameter. The square profile means you'll cut very precise (repeatable) gaps across the surface of the board. At 94. 5 mils in diameter, it is more robust than the smaller end mills. Made from submicrograin carbide. Pack of 10