ISO metric black hexagon bolts, screws and nuts. Specification

Available format(s)

Hardcopy , PDF

Superseded date

31-10-2014

Language(s)

English

Published date

15-02-2001

Publisher

British Standards Institution

Committees responsible
Foreword
1 Scope
2 Normative references
3 Finish
4 General dimensions
5 Length of bolts and screws
6 Ends of bolts and screws
7 Screw threads
8 Length of thread
9 Nuts - Squareness of thread to face
10 Chamfering and facing
11 Diameter of shank of bolt
12 Drilled bolts and split pin holes
13 Strength grade designation system for steel bolts and screws
14 Material and manufacture of steel bolts and screws
15 Mechanical properties of bolts and screws
16 Strength grade designation system for steel nuts
17 Material and manufacture of steel nuts
18 Mechanical properties of steel nuts (excluding thin nuts)
19 Marking and identification
20 Inspection and testing
21 Complete designation for the purpose of an enquiry or order
Annex A (normative) Testing of mechanical properties of
steel nuts
Annex B (normative) Sizes greater than 68 mm diameter
Annex C (informative) Manufacturers' recommended range of
sizes

Gives the general dimensions and tolerances of black hexagon bolts, screws and nuts with ISO metric threads, in diameters from 5 mm to 68 mm inclusive.

Committee	FME/9
DevelopmentNote	Supersedes BS 4190(1967) (03/2001) Supersedes 00/711041 DC. (06/2005) Reviewed and confirmed by BSI, March 2013. (03/2013)
DocumentType	Standard
Pages	32
PublisherName	British Standards Institution
Status	Superseded
Supersedes	BS 4190:1967

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