The concept of using guide pins to load large fixtures has been around for a long time, and it even applies when incorporating Unilock zero-point clamping systems in your fixturing.
The return on investment from digital boring comes from the time saved making adjustments on the spindle, as well as the increased adjustment accuracy.
The Sphinx Drinox Pilot Step Drill delivers up to three times longer tool life, three times higher coolant-through output and three times faster drilling.