
| Tapping | Ratio of threaded holes produced in steel world wide based on material type | Tapping |
| method | speed |
| St44-2St44-2 | C30 | C45C45 | Alloy steels | ||
| Medium carbon | igh carbon |
Low carbon steels steels steels 25CrMo4
| C30C30 | C45 | 42Cr4 | ||||||
| igh | ||||||||
| 20 | 20 | |||||||
| m/min | m/min | |||||||
| series |
15 AUXSP AUXSL 15
m/min m/min >>> 67P >>> 108P series AU+SP AU+SL
10m/min 10m/min 65P 106P
t n r series
| SP | PO | HT |
| >>> 52P | >>> 114P | >>> 134P |
5m/min 5m/min
ISO Identification numbers
Materials
igh tensile strength steel
Tool steel
Tapping speed ISO Identification
Area of full rigid lead feed Materials numbers
igh tensile strength steel
Tool steel