Index

1. Terminology of Taps636
2. ISO 13399637
3. Flutes638
4. Cutting edge and thread relief638
5. Tapping Torque632
6. Recommended Tapping Speed643
7. Tapping speed and Revolutions644
8. Internal Thread Tolerance and Classes of Taps645
9. Comparison of pitch diameter tolerance646
10. Tap Thread Limits (JIS, DIN, ANSI)652
11. Differences between UN and UNJ threads682
12. Recommended drill sizes for tapping internal UN and UNJ threads683
13. Introduction to Thread Forming Taps (Roll Taps)684
14. Materials used for Cutting Tools686
15. Surface Treatment688
16. Carbide Taps691
17. Taps for Pipe Threads693
18.Selecting different tap holder combinations by machine feed system700
19. The mechanism for a tap to cut oversize on an internal thread702
20. Troubleshooting704
21. Thread Series708
22. Basic Profile of Threads710
23. Symbols for Standard Threads713
24. Drill size and recommended hole size for cutting taps716
25. Drill size and recommended hole size for forming taps728
26. Bar diameter for cutting dies730
27. Lineup arranged by size734
28. ISO 513 work materials748