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The dokument specifies the dimensions, the designation, the material, the quality, and the marking of handoperated bits with square drive for hexagon socket screws. It also contains in table 1 a cross reference giving combinations of across flat sizes to driving squares in conformity with DIN 3120.
| Author | DIN |
|---|---|
| Editor | DIN |
| Document type | Standard |
| Format | File |
| ICS | 25.140.30 : Hand-operated tools
|
| Number of pages | 4 |
| Replace | DIN 7422 (1989-10) |
| Set | DIN-VDE-TAB 41-2009 |
| Year | 2002 |
| Document history | DIN 7422 (2002-10) |
| Country | Germany |
| Keyword | 7422 |