British Standards for screw threads and screw gauges. Introduction and guidance
British Standards for screw threads and screw gauges. Introduction and guidance
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BS 8498:2008 British Standards for screw threads and screw gauges. Introduction and guidance BS 8498:2008 is an 'umbrella standard' for screw threads and screw guages. BS 8498 gives a general introduction to the series of British Standards specifying single start parallel screw threads, the corresponding screw gauges with which they are to be used, and the relevant standard specifying the gauge blanks. BS 8498 gives a general introduction to:
Parallel screw threads of Whitworth form BS 84
British Association (B.A.) screw threads BS 93
Unified screw threads BS 1580-1 and BS 1580-3
ISO metric screw threads BS 3643-1
Screw gauge limits and tolerances BS 919-1 , BS 919-2 , BS 919-3 and BS 919-4
Specification for gauge blanks BS 1044-1
Другие стандарты BS
