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Type: Posts; User: Gordon B. Clarke

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  1. You've got me wondering why form tapping wouldn't...

    You've got me wondering why form tapping wouldn't be allowed. Can anyone give a logical reason?
  2. The pitch diameter tolerance on a 5-40 internal...

    The pitch diameter tolerance on a 5-40 internal thread is min. 0.1088 and max. 0.1121. If a form tap is used then use a drill as close to 0.1121" as possible. A metric drill (2.80 or even 2.85mm) is...
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