BS 4190:2014 ISO metric black hexagon bolts, screws and nuts - specification
Publication Year
2014
Document Status
Current
Abstract
Gives the general dimensions and tolerances of black hexagon bolts, screws and nuts with ISO metric threads, in diameters from 5mm to 68mm inclusive. Mechanical properties are included for steel bolts, screws and ordinary plain nuts, which may be produced by hot or cold forging at the option of the manufacturer. Dimensional requirements are included for bolts, screws and nuts finished black all over and for those which have partially machined finishes.
Document History
Supersedes BS 4190:2001. First edition October 1967. Second edition February 2001. Third edition October 2014. Came into effect 31 October 2014.
ISBN
9780580830402
Publisher Information
British Standards Institution
With over 100 years of experience the British Standards Institute is recognised as the UK’s National standards body. Their committees work with the manufacturing and service industries, government, businesses and consumers to facilitate the production of British, European and International standards.
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