| Tap Surface Treatment and Coating Types .................................................. 362 |
| Tolerances According to DIN EN 22857.... .................................................. 362 |
| Taps Nomenclature and Standards ............................................................. 363 |
| Pre-Tapping Hole Size .... ............................................................................ 364 |
| Tap Standard Dimensions ............................................................................ 366 |
| Tap Tolerances.... ........................................................................................ 372 |
| Troubleshooting .... ...................................................................................... 374 |
| Regrinding ................................................................................................... 376 |
| Test Report Form......................................................................................... 378 |
| Thread Standards List ................................................................................. 380 |
| Tapping Attachments ................................................................................... 381 |