BS 93:2008
Current
The latest, up-to-date edition.
British Association (B.A.) screw threads. Requirements
Hardcopy , PDF
English
09-30-2008
Foreword
1 Scope
2 Normative references
3 Terms and definitions and symbols
4 Profile of British Association (B.A.) screw thread
5 Basic sizes of B.A. threads
6 Tolerance classes and limits of sizes, and tolerances, for B.A
threads
7 Gauges
Annexes
Annex A (informative) - Basis of sizes of B.A. threads
Annex B (informative) - Bases of allowances and tolerances for B.A
threads
Annex C (informative) - Effect of errors in pitch and flank angle
on the effective diameter
Annex D (informative) - Approximate inch equivalents of B.A. thread
sizes
Bibliography
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.