
slow Tapping speed fast
| 5m/min | 10m/min | 15m/min | 20m/min | 30m/min | ||
| Workpiece | Workpiece |
| Materials | Area of full rigid lead feed | Materials | ||
| UH-CT | ||||
| 60HRC | ⑤-27 | 60HRC | ||
| 55HRC | 55HRC | |||
| EH-CT | ||||
| 45HRC | >>> ⑤-23 | 45HRC | ||
| 45HRC | EH-POEH-PO | 45HRC | ||
| >>> >>> ③③-81-81 | ||||
| 35HRC | 35HRC | |||
| EH-HT | ||||
| >>> ④-119 | HC+POHC+PO | |||
| SKS | >>> >>> ③③-75-75 | SKS | ||
| Tool steels SKD | Tool steels SKD | |||
| HC-POHC-PO | ||||
| >>> >>> ③③-75-75 | ||||
| SCM | SCM | |||
| Alloy steels SCr | Alloy steels SCr | |||
| POPO | +PO+PO | |||
| >>> >>> ③③-11-11 | ③③-30-30 | |||
| S45C | HTHT | S45C |
>>> >>> ④④-3-3
S45C S45C S30C S30C
>>> >>> ③③-31-31
>>> >>> ④④-49-49 S25C S25C SS400 SS400
| FCD | FC-HTFC-HT | N-CT FCN-CT FC | FCD | ||
| Ductile cast irons | >>> >>> ④④-91-91 | >>> >>> ⑤⑤-10-10 | Ductile cast irons | ||
| FC | FC | ||||
| Cast irons | Cast irons |
5m/min 10m/min 15m/min 20m/min 30m/min