Specification for cycle (B.S.C.) threads (formerly known as C.E.I. threads)

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

24-05-1950

Publisher

British Standards Institution

Cooperating organizations
Foreword
Specification
1. Form of cycle thread
2. Dimensions
3. Classes of fit
4. Stainless steel components
5. Internal threads
6. Tolerances on effective diameter, pitch and
     flank angles
7. Designation of B.S. cycle threads
Tables
Cycle threads for bolts, nuts and similar applications
1. Basic dimensions
2. Bolts, Close class
3. Bolts, Medium class
4. Bolts, Free class
5. Nuts, Close class
6. Nuts, Medium class
7. Nuts, Free class
Cycle threads for spokes and nipples
8. Basic dimensions
9. Spokes, Medium class
10. Nipples, Medium class
Cycle threads for special applications
11. Basic dimensions
12. Male threads, Medium class
13. Female threads, Medium class
Appendices
A. B.S. Whitworth form threads for bolts, nuts and
     similar applications
B. Bases of tolerances for cycle threads
C. Tolerances on pitch and angle in relation to
     tolerance on effective diameters

Form and dimensions for bolts, nuts, spokes, nipples and special applications. Table of limits and tolerances for threads, for bolts and nuts and for special applications.

Committee	GME/25
DevelopmentNote	Reviewed and confirmed by BSI, May 2009. (04/2009)
DocumentType	Standard
Pages	24
PublisherName	British Standards Institution
Status	Current

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BS 811:1950

Specification for cycle (B.S.C.) threads (formerly known as C.E.I. threads)

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Abstract

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Standards Referencing This Book

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