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The difference between tapping and threading

2025-06-20

Tapping and threading are both methods of creating threads.

  I. Basic Concepts of Tapping and Threading
  Tapping and threading are both methods of creating threads. Tapping uses a tap to create internal threads, often used in manufacturing pipe fittings, electronic components, etc.; while threading uses a die to create external threads, often used in manufacturing bolts, nuts, etc.
  II. Differences between Tapping and Threading
  1. Different Processing Methods: Tapping processes threads internally, while threading processes threads externally.
  2. Different Processing Tools: Tapping uses a tap, while threading uses a die.
  3. Different Application Scenarios: Tapping is often used in manufacturing pipe fittings, electronic components, etc.; while threading is often used in manufacturing bolts, nuts, etc.
  III. Advantages and Disadvantages of Tapping and Threading
  1. Advantages of Tapping: High precision of internal thread diameter, good concentricity, and not easy to loosen.
  Disadvantages of Tapping: Only applicable to internal hole processing, unable to process external threads.
  2. Advantages of Threading: Suitable for thread production on external holes or sheet metal surfaces, with good versatility.
  Disadvantages of Threading: Easy to loosen, unable to produce threads with high precision and concentricity.
  In summary, although both tapping and threading are methods of creating threads, their specific processing methods, tools, application scenarios, and advantages and disadvantages are different. In different situations, different processing methods can be chosen according to the needs.