Template thickness should be at least 5mm thicker than cutter cut length of cutter.
Approximately 1.0mm flat will be found on the nose.

Specification:
D=1/2 inch
D=12.7 mm
C=12.7 mm
B=12.7 mm
A=45 degrees
OL=63.31 mm
Shank Diameter=1/4 inch