Drill / Reamer:
Step Drill
A drill (of any type) that includes at least (1) diameter change.聽 Numroto software option [CH-50052380 NUMROTOplus庐 - Extension for complex drills/step drills] is required for drills containing more than (3) diameters.
A drill (of any type) that includes at least (1) diameter change.聽 Numroto software option [CH-50052380 NUMROTOplus庐 - Extension for complex drills/step drills] is required for drills containing more than (3) diameters.
