Drilling
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DRILL TOOL<br />
Edges or lips<br />
Point<br />
Body<br />
Neck<br />
Shank<br />
Axis of the drill<br />
Dead center<br />
Margin<br />
Helical flutes<br />
(flute spaces)<br />
Web<br />
Helix angle of<br />
the flutes<br />
Body clearance<br />
Tang<br />
Taper Shank<br />
Point angle<br />
120° to 135°<br />
Chisel edge<br />
Cutting edges or lips
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