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The obtuse angle, included between the chisel edge and the lip as viewed from the end of a drill, is called
Answer & Solution
Correct Answer:
Option
C
The obtuse angle, included between the chisel edge and the lip as viewed from the end of a drill, is called Chisel edge angle
It is the angle included between the chisel edge and lip of the twist drill when measuring on a plane normal to the axis.
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