BS 7670-1:1993

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Steel nuts and bolts for resistance projection welding. – Specification for dimensions and properties

Published By	Publication Date	Number of Pages
BSI	1993	12

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Categories: 25.160.01 - Welding, brazing and soldering in general, BSI

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Description

This Part of BS 7670 specifies the general dimensions, tolerances, materials and mechanical properties both for imperial weld nuts threaded 7/16–20UNF–2B and metric weld nuts and weld bolts with nominal thread diameters from M3 to M12 inclusive. The weld bolts have circular heads with three projections and the nuts are square with four projections or hexagonal with three projections for projection welding.

For weld nuts and bolts threaded M3 to M12 inclusive and weld nuts threaded 7/16″-20 UNF.

Additional information

Status	Confirmed
Pages	12
Publication Date	1993-09-15
ISBN	0 580 21856 2
Standard Number	BS 7670-1:1993
Title	Steel nuts and bolts for resistance projection welding. – Specification for dimensions and properties
Descriptors	Internal-thread fasteners, External-thread fasteners, Projection welding, Thread pitch, Threaded fasteners, Designations, Bolts, Fasteners, Welding equipment, Nuts, Surface treatment, Finishes, Welding, Welded joints, Projections, Threads, Welded fittings, Size, Electric welding, Steels, Low-carbon steels, Square-head fasteners, Resistance welding, Dimensions, Hexagonal-head fasteners
Publisher	BSI
Committee	FME/9
ICS Codes	25.160.01 - Welding, brazing and soldering in general

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BS 7670-1:1993

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