ISO 5856-2008 pdf download

02-25-2022 comment

ISO 5856-2008 pdf download.Aerospace — Screws, 100 degrees normal countersunk head, internal offset cruciform ribbed or unribbed drive, normal shank, short or medium length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1100 MPa — Dimensions
Aoronautique et espace — Vis a tête fraisóe 100 degros normale, a empreinte cruciforme dóportóe, avec ou sans sallies antidérapantes, avec tige normale at filetages MJ courts ou de Ion gueur moyenne, en matóriau métallique, revêtues ou non revétues, do classes do résistance inférfeures ou ega!es a 1 100 MPa — Dimensions
This ISO 5856 specifies the dimensions of 1000 normal countersunk head screws with internal offset cruciform ribbed or unribbed drive, with close or large tolerance normal shank and short or medium length MJ threads, in metallic material, coated or uncoated, with strength classes less than or equal to 1 100 MPa,
This International Standard is applicable to the compilation of aerospace product standards.
2 Normative references
The following referenced documents are indispensable for the application of this document, For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 286-2, ISO system of limits and fits — Part 2: Tables of standard tolerance grades and limit deviations for holes and shafts
ISO 3353-1. Aerospace — Lead and runout threads — Part 1: Rolled external threads
ISO 5855-2. Aerospace — MJ threads — Part 2: Limit dimensions for bolts and nuts
ISO 7913, Aerospace — Bolts and screws, metric — Tolerances of form and position
ISO 14275, Aerospace — Drives, internal, offset cruciform, ribbed — Metric series
ISO 14276, Aerospace — Drives, internal, offset cruciform — Metric series
3 Configuration and dimensions
See Figure 1 and Table 1.
Dimensions and tolerances are expressed In millimetres. They are applicable after any coating (tolerance on shank diameter before coating is also specified for heat cured matrix coatings), but before the application of any lubricant.
Details of form not stated are left to the manufacturer’s discretion.
Tolerances of form and position shall be as specified in ISO 7913 if not otherwise stated on product standard.

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