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| No. of standards for threads |
Symbols of threads |
No. of standards for taps |
| BS 84 |
Whitworth coarse series
|
DIN 352 hand |
| DIN 371 machine with reinforced shank |
||
| DIN 376 machine with reduced diameter shank | ||
|
Whitworth fine series
|
DIN 2181 hand | |
| DIN 371 machine with reinforced shank |
||
| DIN 374 machine with reduced diameter shank | ||
| DIN 477, PN-60/M-69224 |
Whitworth gas cylinder valves
|
DIN 2184-2 short machine |
| DIN 2184-1 machine with reduced diameter shank |
||
| DIN477 |
Whitworth gas tapered >3:25
|
DIN 2184-2 short machine |
| DIN 2184-1 machine with reduced diameter shank | ||
| PN-82/M-69223 |
Whitworth gas tapered >3:25
|
DIN 2184-2 short machine |
| DIN 2184-1 machine with reduced diameter shank |
||
| DIN 4668, PN-60/M-69225 |
Whitworth gas cylinder for nozzles. Thread W 80 x1/11"
|
DIN 2184-2 short machine |
| DIN 2184-1 machine with reduced diameter shank |
||
| PN-ISO 228-1, DIN-ISO 228 |
Whitworth pipe parallel. Without tight join on thread
|
DIN 5157 hand |
| DIN 5157 short machine |
||
| DIN 5156 machine with reduced diameter shank | ||
| ~ DIN 357 nut for automatic machine | ||
| PN-ISO 7-1 |
Whitworth pipe parallel.
|
DIN 5157 hand |
| DIN 5157 short machine |
||
| DIN 5156 machine with reduced diameter shank | ||
| DIN 3858 |
Whitworth pipe parallel.
|
DIN 5157 short machine |
| DIN 5156 machine with reduced diameter shank | ||
| PN-ISO 7-1, DIN 2999-1, BS 21 |
Whitworth pipe tapered >1:16.
|
DIN 5157 short machine |
| DIN 5156 machine with reduced diameter shank |
