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BS 4395-2:1969

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Specification for high strength friction grip bolts and associated nuts and washers for structural engineering Higher grade bolts and nuts and general grade washers
Available format(s)

Hardcopy , PDF

Superseded date

07-10-2005

Language(s)

English

Published date

31-07-1969

Cooperating organizations
Foreword
Specification
1. General
1.1 Scope
1.2 Terminology
2. Bolts
2.1 Material
2.2 Heat treatment
2.3 Mechanical properties
2.4 Test programme
2.5 General test requirements
2.6 Dimensions and finish
2.7 Marking
3. Nuts
3.1 Material
3.2 Heat treatment
3.3 Mechanical properties
3.4 General test requirements
3.5 Dimensions and finish
3.6 Marking
4. Washers
4.1 Material
4.2 Heat treatment
4.3 Hardness tests
4.4 General test requirements
4.5 Dimensions and tolerances
4.6 Finish
4.7 Marking
5. Inspection
5.1 General inspection procedures
6. Purchasing information
6.1 Information to be supplied with enquiry or order
Appendices
A. BSI policy statement on screw threads and the
     metric system
B. Testing of mechanical properties of steel bolts
C. Testing of mechanical properties of steel nuts
D. Test programme
E. Recommended gauge for checking squareness of thread
     to face of nut
F. Standard nominal lengths and preferred sizes of
     ISO metric high strength friction grip bolts
     (higher grade)
Tables
1. Number of pieces comprising a batch of bolts
2. Tolerance on nominal length
3. Thread lengths
4. Mechanical properties of bolts
5. Dimensions of hexagon head bolts
6. Number of pieces comprising a batch of nuts
7. Mechanical properties of nuts (coarse pitch series)
8. Dimensions of hexagon nuts
9. Number of pieces comprising a batch of washers
10. Dimensions of flat round washers
11. Dimensions of square taper washers
12. Dimensions for wedge loading test
Figures
1. Chamfering, facing and marking of bolts
2. Hexagon bolts
3. Marking of nuts
4. Hexagon nut
5. Flat round washer
6. Square taper washers
7. Test piece
8. Application of proof load to full size bolt
9. Wedge loading of full size bolt
10. Proof load test for nut
11. Nut squareness gauge

Higher grade friction grip bolts (10.9) and nuts (12) and general grade washers. Dimensions in the nominal size range 16 mm to 33 mm inclusive and mechanical properties are specified with details of tests, inspection procedure and marking.

Committee
FME/9
DevelopmentNote
Reviewed and confirmed by BSI, November, 2004. (11/2004) Supersedes 69/2366 DC. (08/2005)
DocumentType
Standard
Pages
36
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

Standards Relationship
ISO 887:2000 Similar to

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BS 4604-2:1970 SPECIFICATION FOR THE USE OF HIGH STRENGTH FRICTION GRIP BOLTS IN STRUCTURAL STEELWORK - METRIC SERIES - HIGHER GRADE (PARALLEL SHANK)
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BS 3139-1:1959 Specification for high strength friction grip bolts for structural engineering. General grade bolts
BS 4395-1:1969 Specification for high strength friction grip bolts and associated nuts and washers for structural engineering General grade
BS 18:1962 Tensile testing of metals
BS 891-1:1962 Method for Rockwell hardness test Testing of metals
BS 4604-2:1970 SPECIFICATION FOR THE USE OF HIGH STRENGTH FRICTION GRIP BOLTS IN STRUCTURAL STEELWORK - METRIC SERIES - HIGHER GRADE (PARALLEL SHANK)
BS PD 5686(1969) : LATEST THE USE OF SI UNITS
BS 427:1990 Method for Vickers hardness test and for verification of Vickers hardness testing machines
BS PD 6203(1982) : LATEST
BS 3643-1:1963 ISO metric screw threads. Thread data and standard thread series

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