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Parallel and taper keys and keyways for shafts of 6 mm to 500 mm diameter. For square and rectangular parallel keys three classes of fit, 'free', 'normal' and 'close', are foreseen.
| Author | BSI |
|---|---|
| Editor | BSI |
| Document type | Standard |
| Format | File |
| Confirmation date | 2012-12-01 |
| EAN ISBN | 0 580 06988 5 |
| ICS | 21.120.30 : Keys and keyways, splines
|
| Number of pages | 26 |
| Cross references | ISO/R 773 |
| Modified by | AMD 1478 published July 1974 effective July 1974 Free of charge incorporated |
| Year | 1970 |
| Country | United Kingdom |
| Keyword | BS 4235:Part 1:1972 |