BS 64:1992
Current
The latest, up-to-date edition.
Hardcopy , PDF
English
15-11-1992
Committees responsible
Foreword
Specification
1 Scope
2 References
3 Material
4 Manufacture
5 Heat treatment
6 Mechanical properties
7 Dimensions and tolerances
8 Quality control
9 Marking
10 Protective coating
Annexes
A (informative) Information to be supplied by the
purchaser
B (informative) Basic sizes of British Standard screw
threads for bolts and nuts
Tables
1 Minimum proof loads and minimum and maximum ultimate
tensile loads for British Standard Whitworth (BSW)
screw threads
2 Minimum proof loads and minimum and maximum ultimate
tensile loads for British Standard fine (BSF) screw
threads
3 Mechanical properties for test pieces machined from
bolts
4 Hardness requirements for nuts
5 Dimensions of cup/pear and pan/pear fishbolts and
nuts for fishplates with pear shaped holes
6 Dimensions of square headed fishbolts and nuts for
flat bottom rails with round holes
B.1 Limits and tolerances of British Standard Whitworth
screw threads for medium fit bolts
B.2 Limits and tolerances of British Standard Whitworth
screw threads for medium fit nuts
B.3 Limits and tolerances of British Standard fine screw
threads for medium fit bolts
B.4 Limits and tolerances of British Standard fine screw
threads for medium fit nuts
Figures
1 Cup/pear and pan/pear fishbolts and nuts for
fishplates with pear shaped holes
2 Square-headed fishbolts and nuts
List of references
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