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BS 1936-2:1991

Current

Current

The latest, up-to-date edition.

Undercuts and runouts for screw threads Specification for ISO metric screw threads

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

29-11-1991

£142.00
Excluding VAT

Committees responsible
Foreword
1 Scope
2 ISO metric external threads
3 ISO metric internal threads
Appendix A - Undercuts and runouts for screw threads
             for heavy duty applications
Appendix B - Lengths of runout for various angles of
             throat or taper lead
Publication(s) referred to

Specifies dimensions for form, width and diameter of undercuts and runouts for ISO metric external and internal threads for use in general engineering applications. Threads may be cut or rolled without the die or tap fouling the component.

Committee
FME/9
DevelopmentNote
Supersedes BS 1936-2(1970) Supersedes 87/76252 DC. (06/2005) Reviewed and confirmed by BSI, October 2012. (09/2012)
DocumentType
Standard
Pages
16
PublisherName
British Standards Institution
Status
Current
Supersedes

This Part of BS 1936 specifies requirements for dimensions for form, width and diameter of undercuts and runouts for ISO metric external and internal threads for use in general engineering applications. Threads may be cut or rolled without the die or tap fouling the component.

Recommendations for undercuts and runouts for high duty applications are given in Appendix A.

NOTE The titles of the publications referred to in this standard are listed on the inside back cover.

SAE J 811 : 1981 SURFACE ROLLING AND OTHER METHODS FOR MECHANICAL PRESTRESSING OF METALS
BS A 231:1982 Specification for runout and lead threads for rolled threads
BS 6104-1:1981 Mechanical properties of fasteners Specification for bolts, screws and studs
BS 4500-1:1969 ISO limits and fits General, tolerances and deviations
BS 1936-1:1952 Undercuts and runouts for screw threads Inch screw threads

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