Function:
External to internal to internal cooling
Maximum speed: 5000 RPM
Sealed structure: can withstand 7KGF/CM2 water pressure
Positioning elimination design
Accessible tool magazine (can automatically change tools)

Applicable to: tungsten steel internal coolant drill/crown drill
BT40/50-ERO16/ERO20/ERO25/ERO32/ERO40
Internal use: NSK bearings
Durable/stable/high speed
Positive and negative tolerance 0.1mm
Tolerances remain stable and fully inspected