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CONSTRUCTION IN GENERAL ( Module 48 )

SCREW THREADS & FASTENERS ( Module 11 )


DOCUMENT
BS 4604-1:1970Specification for the use of high strength friction grip bolts in structural steelwork. Metric series. General grade

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Publication Date:
22-DEC-06

ISBN:
0 580 06280 5

Summary:
BS 4604-1 details use requirements for high strength friction grip bolts of general grade in friction grip connections within structural steelwork. This standard also covers use requirements for high strength bolts as ordinary bolts. Definitions, materials, dimensions, design, contact surfaces, minimum ply thickness and assembly are discussed. Tightening methods – both part-turn and torque-control – are covered. Inspection procedures and slip factor tests are also specified.

Keywords:
proof load, British Standard, slip factor, British Standards

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