BS 4395-1:1969
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Specification for high strength friction grip bolts and associated nuts and washers for structural engineering General grade
Hardcopy , PDF
English
19-02-1969
07-10-2005
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 Materials
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
(general 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. Proof loads for 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
Gives dimensions for range of nominal sizes from 12 mm (M12) to 36 mm (M36) inclusive and specifies mechanical properties. Full details of tests, inspection procedure and provisions for marking are also included. NOTE. It is important to ensure that these bolts are correctly used if satisfactory results are to be obtained. Recommendations giving guidance in the use of this form of fastener are given in BS 4604-1.
| Committee |
FME/9
|
| DevelopmentNote |
Reviewed and confirmed by BSI, November, 2004. (11/2004) Supersedes 67/31503 DC. (08/2005)
|
| DocumentType |
Standard
|
| Pages |
28
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| UNE-EN ISO 14644-2:2016 | Identical |
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