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Single-point tool geometry: typical lip (included) angle range For a standard single-point cutting tool, the usual lip angle (included angle at the cutting edge) lies in which range? Choose the correct option.

Difficulty: Easy

20° to 40°
40° to 60°
60° to 80°
None of these

Correct Answer: 60° to 80°

Explanation:

Reference valuesTypical single-point tools use a lip (included) angle roughly between 60° and 80°, balancing strength and sharpness based on work material and operation.

Final Answer60° to 80°.

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