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BS 1981:1991 (R2017)
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BS 1981:1991 (R2017)
Specification for unified machine screws and screw nuts partTitleEN sectionTitleENMore info
Applicable to machine screws and machine screw nuts having ISO inch screw threads and hexagon head and slotted or recessed heads with type Z and type V recess. Mechanical properties are specified for steel, brass and aluminium alloy screws and nuts.
| Author | BSI |
|---|---|
| Editor | BSI |
| Document type | Standard |
| Format | File |
| Confirmation date | 2017-07-01 |
| EAN ISBN | 0 580 19530 9 |
| ICS | 21.060.10 : Bolts, screws, studs
21.060.20 : Nuts |
| Number of pages | 48 |
| Replace | BS 1981:1972 |
| Modified by | AMD 7485 published January 1993 effective January 1993 Free of charge incorporated |
| Year | 1990 |
| Country | United Kingdom |
| Keyword | BS 1981 ; BS1981 |