BS 5A 228:2019

$142.49

Specification for bolts, double hexagonal heads, optional locking wire holes, unified threads, alloy steel, cadmium plated. Classification: R_m ≥ 1241 MPa (180 000 lbf/in²) at ambient temp | +190°C

Published By	Publication Date	Number of Pages
BSI	2019	24

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Categories: 49.030.20 - Bolts, screws, studs, BSI

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Description

This British Standard specifies the materials, dimensions, finish and inspection requirements for steel bolts of high metallurgical quality with double hexagon head and unified screw threads of ‘UNJF’ basic profile, with optional locking wire holes for aircraft use.

CAUTION. This British Standard features parts that have cadmium as a plating material which has been restricted and/or banned for use in many countries owing to environmental and health concerns; they should not be used in new product designs. Local officials should be consulted about any concerns on the use of cadmium-plated parts.

Additional information

Status	Under Review
Pages	24
Publication Date	2019-09-30
ISBN	978 0 580 52207 9
Standard Number	BS 5A 228:2019
Title	Specification for bolts, double hexagonal heads, optional locking wire holes, unified threads, alloy steel, cadmium plated. Classification: Rm ≥ 1241 MPa (180 000 lbf/in2) at ambient temp, +190°C
Replaces	BS 4A 228:1997
Descriptors	Fasteners, Marking, Unified screw threads, Hexagonal-head fasteners, Threaded fasteners, External-thread fasteners, Dimensions, Low-alloy steels, Protective coatings, Threaded components, Bolts, Aircraft components, Air transport engineering
Publisher	BSI
Committee	ACE/12
ICS Codes	49.030.20 - Bolts, screws, studs

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BS 5A 228:2019

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