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      Technical Information  
 
Technical information for taps


- Nomenclature, geometry and definitions of taps


- Thread tolerances and recommended manufacturing tolerances


- Internal thread and drill sizes


- Types of lead-in chamfer


- Surface treatments and coatings


- Comparison inch-mm


- Cutting speeds and lubrication/cooling


- Knowledge about cutting threads


- Materials

 



Thread standards


- M - ISO Metric Coarse Thread DIN 13


- MF - ISO Metric Fine Thread DIN 13


- G (BSP) - British Standard Pipe DIN ISO 228 - Whitworth Pipe cylindrical


- Whitworth Pipe Threads


- UNC - Unified National Coarse Thread Series ANSI B1.1 American coarse thread


- UNF - Unified National Fine Thread Series ANSI B1.1 American fine thread


- UNEF - Unified National Extra Fine Thread Series ANSI B1.1 American extra-fine thread


- 8-UN - Unified National Thread Series ANSI B1.1 8 Threads per inch


- 12-UN - Unified National Thread Series ANSI B1.1 12 Threads per inch


- 16-UN - Unified National Thread Series ANSI B1.1 16 Threads per inch


- UNS - Unified National Thread Series ANSI B1.1 American Thread with special pitch


- BSW - British Standard Whitworth BS 84 Regelgewinde


- BSF - British Standard Fine Whitworth BS 84 Feingewinde


- TR - Trapezoidal Coarse Thread DIN 103


- further thread standards in our Online-Shop



Technical information for dies


- Surface treatments and coatings


- Comparison inch-mm

- Materials


- Cutting dies tolerance classes, Die nomenclature


- Information for blank preparatory diameter


- Guide lines for cutting speeds, cutting fluids and rake angles