[Features]
Continuous centre drill bit.
One drill bit holder with side lock.
-Double contact
-Spindle/shank type: BBT/BT
-Spindle/shank number: 40.50
-Handle diameter: 16 mm / 20 mm / 25 mm / 32 mm / 40 mm / 50 mm
-Coolant supply system, etc. : central through
-Holder length: 75 mm / 80 mm / 90 mm / 105 mm / 135 mm / 165 mm / 200 mm / 250 mm / 270 mm.