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How do you determine the drill size for a tapped hole?

Ethan Turner | 2023-06-10 05:20:58 | page views:1265
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Sophia Patel

Studied at Massachusetts Institute of Technology (MIT), Lives in Cambridge. Dedicated researcher in the field of biomedical engineering.
As a rule of thumb, for Metric threads, the tapping drill can be calculated by subtracting the pitch from the diameter of the thread. eg for an M5x0.75 thread the tapping drill is 5-0.75mm = 4.25mm. For Imperial (inch) threads the tapping drill size is calculated in the same way, diameter minus pitch.
2023-06-14 05:20:58

Isabella Wilson

QuesHub.com delivers expert answers and knowledge to you.
As a rule of thumb, for Metric threads, the tapping drill can be calculated by subtracting the pitch from the diameter of the thread. eg for an M5x0.75 thread the tapping drill is 5-0.75mm = 4.25mm. For Imperial (inch) threads the tapping drill size is calculated in the same way, diameter minus pitch.
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