The point angle of a drill suitable for drilling thin plates is?
(A) 90 deg (B) 120 deg (C) 180 deg (D) None of above
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D none of above .........
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The point angle of a drill suitable for drilling thin plates is 120°.
Explanation:
- In a second part of the present innovation, a drill has a point edge framed between the major internal cutting edges in the range of 100° to 115°.
- It is lesser in quantity than the point edge in the range of 118° to 130° of normal drills.
- Appropriately, the main piece of the drill cuts well into a work piece.
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The point angle of a drill suitable for drilling thin plates is
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