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About This Item
Full Description
BS 93 specifies the following:
- basic sizes for B.A. threads, sizes 0 B.A. to 16 B.A.
- limits of size, and tolerances, for close class and normal class external threads of sizes 0 B.A. to 10 B.A.
- limits of size, and tolerances, for normal class external threads of sizes 11 B.A. to 16 B.A.
- limits of size, and tolerances, for a single class of internal threads of sizes 0 B.A. to 16 B.A.
BS 93 is intended for use with BS 919-2:2007, which specifies the corresponding screw gauges.
This British Standard has been fully revised to bring it up to date. BS 93:2008 supersedes BS 93:1951, which is withdrawn.
Document History
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BS 93:2008
viewing
British Association (B.A.) screw threads. Requirements- Most Recent
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BS 08/30173466 DC
BS 93. British Association (B.A.) screw threads. Requirements- Historical Version
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BS 93:1951
Specification for British Association (B.A.) screw threads with tolerances for sizes 0 B.A. to 16 B.A.- Historical Version