ISO 9254:1993 pdf download – Aerospace一. Bolts, normal spline head, normal or pitch diameter shank, long length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1100 MPa – Dimensions.
ISO 9254 specd4s the dimensàons of normal sØne heed bolts, with normal or pitch dèameter shank, and long length MJ threads, in metallic material, coated or uncoalad, with strength classes less then or equal tol 100 MPa.
It is intended for th. drawing up of aerospace product standards.
2 Normative references
The following standards contain provisions which. through reference N’ this text constitut• pcosions ol this International Standard. At the time of publi’ cation, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this International Standard are encouraged to investigate the possibility of apng the most recent editions of the standards indicated below.
Members of IEC and ISO maintain registers of currently valid Intemelionel Standards.
ISO 286-2:19e8. ISO system of kmits and fits — Pwt 2: Tables of standard tolerance tirades and limit devletions for holes and shafts.
ISO 3353:1992. Aeiospece — Roed threads for bolts
— Lead and runour requirements
ISO 5855-2:1968, Aerospace — MJ threads — Part 2: Limit dimensions for bolts end nuts.
ISO 7403:1963, Fasteners for aerospace cons rruczion
— Sphne drIva wrenchihQ configuration — Metric se“Cs:
3 ConfiguratIon and dimensions
See figure 1 and table I DimecisaOns end tolerances are expressed in milimetres. They are app4icable after any surface coating, but before the application of any lubicant.