
Recommended number of passes and radial depth of cut per pass for female BSP thread (55°).
| 12 3 | Radial depth of cut per pass [mm] | ||
| 1" | 28 | 19 14 | 11 |
| 1 | 0.225 | 0.271 0.318 | 0.362 |
| 2 s | 0.186 | 0.224 0.263 | 0.299 |
| 3 asse | 0.170 | 0.205 0.241 | 0.274 |
| 4 of p | – | 0.156 0.185 | 0.210 |
| 5 No. | – | – 0.155 | 0.177 |
| 6 | – | – – | 0.157 |
| 7 | – | – – | – |
| Acc. Depth | 0.581 | 0.856 1.162 | 1.479 |
| Recommended num | ber of passes and radial depth o | f cut per pass for female NPT thread (60°). Radial depth of cut per pass [mm] | |
| 1 2 3 1" | 27 | 18 14 | 11.5 |
| 1 | 0.283 | 0.348 0.390 | 0.423 |
| 2 | 0.233 | 0.287 0.322 | 0.349 |
| 3 sses | 0.214 | 0.263 0.295 | 0.320 |
| 4 of pa | – | 0.202 0.226 | 0.246 |
| 5 No. | – | – 0.190 | 0.207 |
| 6 | – | – – | 0.183 |
| 7 | – | – – | – |
| Acc. Depth | 0.730 | 1.100 1.423 | 1.728 |