Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:Thread
|
| gptkbp:abbreviation |
gptkb:BSF
|
| gptkbp:countryOfOrigin |
gptkb:United_Kingdom
|
| gptkbp:form |
rounded crests and roots
|
| gptkbp:hasFinerPitchThan |
gptkb:British_Standard_Whitworth
|
| gptkbp:introducedIn |
1908
|
| gptkbp:relatedTo |
gptkb:British_Standard_Whitworth
|
| gptkbp:replacedBy |
gptkb:ISO_metric_thread
gptkb:Unified_Thread_Standard |
| gptkbp:standardizedBy |
gptkb:British_Standards_Institution
|
| gptkbp:status |
largely obsolete
|
| gptkbp:threadAngle |
55 degrees
|
| gptkbp:usedFor |
screw threads
fine-pitch applications |
| gptkbp:usedIn |
automotive industry
engineering machinery |
| gptkbp:bfsParent |
gptkb:Whitworth's_Rule
gptkb:Whitworth_screw_thread gptkb:Whitworth_thread |
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
British Standard Fine
|