BS 1981:1972
Superseded
View Superseded by
Specification for Unified machine screws and machine screw nuts
Hardcopy
English
07-31-1972
08-31-1991
Materials, dimensions and tolerances for slotted and recessed screws with countersunk, pan, raised cheese and raised countersunk heads and plain slotted hexagon head screws. Overall diameter range No. 0 to ¾ in but varies according to head style. Metric slot widths included as an appendix.
| Committee |
FME/9
|
| DevelopmentNote |
Replaces BS 3155: 1960
|
| DocumentType |
Standard
|
| Pages |
0
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| BS 826:1978 | Specification for steel single tier bolted shelving (angle upright type) |
| BS 3555:1988 | Specification for ring wrenches |
| BS 6605:1990 | Specification for cross recesses for screws |
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