BSI - BS 84
Parallel Screw Threads of Whitworth Form
inactive
| Organization: | BSI |
| Publication Date: | 26 September 1956 |
| Status: | inactive |
| Page Count: | 54 |
| ICS Code (Inch screw threads): | 21.040.20 |
scope:
Form of thread defined. Tables: basic sizes, limits, tolerances for 'class' bolts, nuts; BS Whitworth range, 1⁄8 in to 6 in; BS Fine range, 3⁄16 in to 43⁄16 in (limits and tolerances up to 3 in only). Also a Selected Thread series more suitable than BS Pipe parallel series for extra fine pitch applications. Appendices: limits, tolerances for B.S.W. and B.S.F. truncated bolts and nuts; bases of tolerances and allowances, formulae; effects of pitch and angle errors, acceptability of error combination; form of Whitworth crests; limits and tolerances for (non-preferred) 'close class' nuts.
Document History
November 30, 2007
Parallel screw threads of Whitworth form - Requirements
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BS 84
September 26, 1956
Parallel Screw Threads of Whitworth Form
Form of thread defined. Tables: basic sizes, limits, tolerances for 'class' bolts, nuts; BS Whitworth range, 1⁄8 in to 6 in; BS Fine range, 3⁄16 in to 43⁄16 in (limits and tolerances up to 3 in...
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