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Thread taps are essential tools in metal cutting, used for producing internal threads in workpieces. Because different countries and industries follow their own thread standards, taps have been developed in multiple standard systems. As a professional manufacturer, we supply taps that comply with all major international standards, ensuring compatibility across global markets.

Common Tap Standards

1. ISO (International Organization for Standardization)

ISO standards are among the most widely adopted worldwide, covering metric thread designs and manufacturing.

  •Common types: ISO Metric Coarse, ISO Metric Fine

  •Applications: General machinery, automotive, industrial equipment

  •Key feature: Universality, suitable for global trade

2. DIN (Deutsches Institut für Normung – German Standards)

DIN standards are widely used across Europe, especially in Germany, known for precision and quality.

  •Typical standards: DIN 371, DIN 374, DIN 376

  •Features: High dimensional accuracy, suitable for machining high-strength materials

  •Advantage: Often compatible with ISO, but with stricter requirements

3. JIS (Japanese Industrial Standards)

JIS thread standards serve the Japanese and Southeast Asian markets, emphasizing efficiency and reliability.

  •Common types: JIS Metric, JIS Pipe Thread

  •Applications: Electronics, automotive, molds, precision components

  •Advantage: Designed to meet the needs of Japanese and Asian industries

4. ANSI / Unified / American Standards

American standards cover both Unified (inch-based) and pipe threads.

  •UNC (Unified National Coarse): General-purpose coarse threads

  •UNF (Unified National Fine): Fine threads for high-precision assemblies

  •NPT (National Pipe Thread): Widely used in piping and fittings

  •Applications: Oil & gas, automotive, aerospace, heavy industry

Our Strengths

  •Comprehensive Coverage: We can manufacture taps to ISO, DIN, JIS, ANSI/UNC/UNF/NPT and other standards.

  •Material Options: HSS, HSS Cobalt, and HSS-PM available to suit different applications.

  •Customization: Non-standard taps can be produced according to customer drawings or specifications.

  •Strict Quality Control: Thread gauges, projectors, and advanced testing equipment ensure accuracy and tool life.

Conclusion

As global manufacturing becomes more integrated, choosing the right thread standard is key to ensuring efficiency and compatibility in production. With our wide coverage of international thread tap standards, we provide reliable solutions for diverse markets and industries.