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BS A 331:1998

Current

Current

The latest, up-to-date edition.

Bolts, reduced bihexagonal head, normal or pitch diameter shank, long length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1275 MPa. Dimensions

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

15-09-1998

Defines dimensions of reduced bihexagonal head bolts, having normal or pitch diameter shank and long length MJ threads, in metallic material, coated or uncoated, of strength classes less than or equal to 1275 MPa.

This International Standard specifies the dimensions of reduced bihexagonal head bolts, with normal or pitch diameter shank and long length MJ threads, in metallic material, coated or uncoated, of strength classes less than or equal to 1 275 MPa.

This International Standard is applicable for the compilation of aerospace product standards.

Committee
ACE/12
DevelopmentNote
Also numbered as ISO 12258 Supersedes 96/712198 DC (11/2005)
DocumentType
Standard
Pages
10
PublisherName
British Standards Institution
Status
Current
Supersedes

ISO 5855-2:1999 Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts
ISO 4095:1998 Aerospace — Bihexagonal drives — Wrenching configuration — Metric series
ISO 3353:1992 Aerospace — Rolled threads for bolts — Lead and runout requirements
ISO 7913:1994 Aerospace Bolts and screws, metric Tolerances of form and position

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