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BSI - BS 93

British Association (B.A.) screw threads - Requirements

active, Most Current
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Organization: BSI
Publication Date: 30 September 2008
Status: active
Page Count: 26
ICS Code (Special screw threads): 21.040.30

Document History

BS 93
September 30, 2008
British Association (B.A.) screw threads - Requirements
A description is not available for this item.
BS 93
May 25, 1951
Specification for British Association (B.A.) Screw Threads - with Tolerances for Sizes 0 B.A. to 16 B.A.
Form of thread defined. Tables: basic sizes from 0 B.A. to 25 B.A. Dimensions and tolerances for a 'normal' series from 0 B.A. to 16 B.A.; and for a 'close' class from 0 B.A. to 10 B.A. Recommended...

References

This document references:
BS 919-2 - Screw gauge limits and tolerances - Part 2: Specification for gauges for screw threads of Whitworth and B.A. forms
Published by BSI on November 30, 2007
A description is not available for this item.
This document references:
BS 919-2 - Screw gauge limits and tolerances - Part 2: Specification for gauges for screw threads of Whitworth and B.A. forms
Published by BSI on November 30, 2007
A description is not available for this item.
This document references:
BS PD 6494 - Mismatch of Screw Thread Systems
Published by BSI on June 30, 1980
Draws attention to the possibility of mismatch with the different screw thread forms available and makes recommendations to avoid this possibility.
This document is referenced by:
BS 2977 - Domestic Lighting Appliances for Use with Butane/Propane Gases - Part 1: Appliances for Use With Butane Gas
Published by BSI on March 31, 1958
Specifies classification, construction, operation, safety requirements and tests for lighting appliances intended for domestic use with commercial butane at 11 in w.g. pressure, and commercial...
This document is referenced by:
BS 856 - Specification for Wing Nuts
Published by BSI on May 19, 1969
ISO metric, ISO inch (Unified), BSW, BSF and BA screw threads diameters 3 mm (⅛ in) to 20 mm (¾ in). Two forms of wing nut blank geometry; tables of dimensions for hot stamped and cast varieties...
This document is referenced by:
BS 3777 - Specification for screw thread measuring cylinders
Published by BSI on August 17, 1964
Grade A (pitch-line) and Grade B (grouped) measuring cylinders for checking external screw threads of Unified and ISO inch, Whitworth, B.A. and ISO metric form by means of pitch diameter measuring...
This document is referenced by:
BS 7798 - Specification for Industrial immersion heaters using metal-sheathed elements
Published by BSI on May 15, 1998
A description is not available for this item.
This document is referenced by:
BS G 154 - Screw with Captive Washers for Aircraft
Published by BSI on December 31, 1958
A description is not available for this item.
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