Question

What is the Cutting angle of general purpose dril​

Answer 1

For general-purpose twist drills the helix angle is about 32°. The angle formed by the two sides of the tapering point is 118° for standard drills, while for drilling tough metals, a flatter point with a 135° angle is recommended.

Answer 2

Answer:

For general-purpose twist drills the helix angle is about 32°. The angle formed by the two sides of the tapering point is 118° for standard drills, while for drilling tough metals, a flatter point with a 135° angle is recommended.

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