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BS 1157:1975 (R2012)
Recommendations for tapping drill sizes use with fluted taps partTitleEN sectionTitleENMore info
Sizes for ISO internal metric threads to BS 3643 (Parts 1, 2 and 3) and for internal threads to BS 21, 84, 93, 1580 (Parts 1, 2 and 3) and 2779. Alternative sizes in appendix.
| Author | BSI |
|---|---|
| Editor | BSI |
| Document type | Standard |
| Format | File |
| Confirmation date | 2012-01-01 |
| EAN ISBN | 0 580 08685 2 |
| ICS | 25.100.30 : Drills, countersinks, reamers |
| Number of pages | 28 |
| Cross references | ISO 2306:1972 |
| Year | 1970 |
| Country | United Kingdom |
| Keyword | BS 1157 ; BS1157 |