b. Morse taper shank twist drills;
[image 5-3]
[image 5-4]
3. Precisely mark the center of the hole, and use the tip of the twist drill to position the
machine in the correct position, with the tip of the twist drill to meet the marked center of
the hole.
Steps 4-12: see paragraph 5.1 Annular cutters. Make sure the machine runs at maximum speed
for twist drills!
5.3 Countersinks
Thanks to its wide range of operating speeds, the machine can also be used for reaming or
countersinking. Follow the steps mention in paragraph 5.2 Twist drills.
Morse taper 2
Morse taper 3
26