BS 811:1950

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SPECIFICATION FOR CYCLE (B.S.C.) THREADS (FORMERLY KNOWN AS C.E.I. THREADS)

Available format(s): Hardcopy, PDF

Language(s): English

Published date: 01-01-1950

Publisher: British Standards Institution

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Table of Contents - (Show below) - (Hide below)

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

Abstract - (Show below) - (Hide below)

Describes the threads used on bicycles and covers, dimensions, classes of fit, internal threads, tolerances on diameter pitch and flank angles. Threads for bolt nuts, spokes, nipples etc.

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Committee	GME/25
Development Note	Reviewed and confirmed by BSI, May 2009. (04/2009)
Document Type	Standard
ISBN
Pages
Published
Publisher	British Standards Institution
Status	Current

Standards Referenced By This Book - (Show below) - (Hide below)

BS 3382-7:1966	SPECIFICATION FOR ELECTROPLATED COATINGS ON THREADED COMPONENTS - THICKER PLATINGS FOR THREADED COMPONENTS
BS 3382-3&4(1965) : 1965	SPECIFICATION FOR ELECTROPLATED COATINGS ON THREADED COMPONENTS - NICKEL OR NICKEL PLUS CHROMIUM ON STEEL COMPONENTS - NICKEL OR NICKEL PLUS CHROMIUM ON COPPER AND COPPER ALLOY (INCLUDING BRASS) COMPONENTS
BS 1936-1:1952	Undercuts and runouts for screw threads Inch screw threads
BS 3382-1&2(1961) : 1961	SPECIFICATION FOR ELECTROPLATED COATINGS ON THREADED COMPONENTS - CADMIUM ON STEEL COMPONENTS - ZINC ON STEEL COMPONENTS
BS 3382-5&6(1967) : 1967	SPECIFICATION FOR ELECTROPLATED COATINGS ON THREADED COMPONENTS - TIN ON COPPER AND COPPER ALLOY (INCLUDING BRASS) COMPONENTS - SILVER ON COPPER AND COPPER ALLOY (INCLUDING BRASS) COMPONENTS
BS 919-2:1971	SPECIFICATION FOR SCREW GAUGE LIMITS AND TOLERANCES - GAUGES FOR SCREW THREADS OF WHITWORTH AND BA FORMS
BS 919-2:2007	Screw gauge limits and tolerances Specification for gauges for screw threads of Whitworth and B.A. forms
BS 2453:1973	SPECIFICATION FOR STEEL WIRE FOR SPOKES
BS 7371-12:2008	COATINGS ON METAL FASTENERS - PART 12: REQUIREMENTS FOR IMPERIAL FASTENERS
08/30173610 DC : DRAFT FEB 2008	BS 7371-12 - COATINGS ON METAL FASTENERS - PART 12: REQUIREMENTS FOR IMPERIAL FASTENERS
BS 1802:1951	Specification for steel spring washers for general engineering and automobile purposes

Standards Referencing This Book - (Show below) - (Hide below)

BS 84:1956	SPECIFICATION FOR PARALLEL SCREW THREADS OF WHITWORTH FORM

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