Question
Quality and Reliability Question on Metrology and Inspection
The pitch of a metric screw thread is calculated from pitch circle diameter measurement through two-wire method. If the thread is single-start with calculated pitch of 1.4 mm then the diameter (in mm) of the best-wire is ______ . (Rounded off to 2 decimal places)
Answer
The answer is: 0.79 or 0.81 (approx.)