| Number | Description |
|---|---|
| DIN 13 | cylindric, metric thread |
| DIN 158 | conacial, metric thread |
| DIN/ISO 228 | cylindric, Whitworth thread |
| DIN 2999 | Whitworth thread, outside thread conical, inside thread conical |
| DIN 3852 | screw in taps and screw in holes |
| DIN 3858 | conical Whitworth thread, short version |
| ANSI/ASME | NPT thread |