BRITISH ASSOCIATION
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| No. of standards for threads |
Symbols of threads |
No. of standards for taps |
| B.S. 93:1951 |
British Association B.A.
|
DIN 352 hand |
| ISO 529 hand |
||
| DIN 371 machine with reinforced shank |
||
| DIN 376 machine with reduced diameter shank |
