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This International Standard specifies tolerances on wrench and socket openings for screws and nuts (or similar parts) having matric width across flats dimensions.
| Author | DIN |
|---|---|
| Editor | DIN |
| Document type | Standard |
| Format | File |
| Cancellation date | |
| Confirmation date | |
| expiration_de_validite | |
| ICS | 25.140.30 : Hand-operated tools |
| Number of pages | 5 |
| Replace | DIN 475-2 (1982-11) |
| Cross references | ISO 691 (2005-11), IDT |
| Set | MYSTD-20STD |
| Year | 2007 |
| Document history | DIN ISO 691 (2007-04) |
| Country | Germany |
| Keyword | 691 |