Question: Calculate the cutting time needed to tap a 3/4 2 in. hole using a cutting speed of 30 sfpm.The tap has 10 tpi.

Calculate the cutting time needed to tap a 3/4 × 2 in. hole using a cutting speed of 30 sfpm.The tap has 10 tpi.

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For 30 fpm the RPM will be N 12 x 301314 x 075 1528... View full answer

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