Buy BS Specification For Metric Keys And Keyways – Part 1: Parallel And Taper Keys from SAI Global. BS Specification For Metric Keys And Keyways – Part 1: Parallel And Taper Keys. Metric BS Part 1 and DIN; Imperial BS46 Part 1 Standard Keysteel stock materials. Keysteel M40 (EN8). Werkstoff C45 +C. Werkstoff.

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The values in bold type are those which bx4235 most nearly with the preferred lengths given inTables 9 and 10 of BS NOTE 2The assembly of a taper key requires that the taper of the key be fitted to the keyway.

Parallel Metric Keys and Keyway Dimensions

Parallel and taper keys Status: Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Details and advice can be obtained from the Copyright Manager. Your basket is empty.

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About Us Location Services Contact. Keybar to the tolerances on width b and thickness h specified for the finished keys will not necessarily be commercially available. Accept and continue Learn more about the cookies we use and how to change your settings.

The dimensions and tolerances above and in Table 6 have been determined so that this is possible in all cases. The faster, easier way to work with standards. This standard has been updated see copyright date and may have had amendments incorporated.

The use of smaller key sections is permitted if suitable for the torque transmitted. The use of larger key sections is not permitted. Bss4235 who bought this product also bought BS These metric sections of keys have been in satisfactory use in most European countries for many years. View e-Privacy Directive Documents. BSGeneral, tolerances and deviations. This standard makes reference to the following British Standards: Compliance with a British Standard does not of itself confer immunity from legal obligations.


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Parallel and taper keys BS The Government department and scientific and industrial organizations marked with ba4235 asterisk in the above list, together with the following, were directly represented on the committee entrusted with the preparation of this British Standard: This British Standard is the first of a series for metric keys and keyways and has been prepared under the authority of the Mechanical Engineering Industry Standards Committee.

Users of British Standards are responsible for their correct application. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover.

Keysteel | Key Steel | BS | DIN | BS46

Size px x x x x Copyright Copyright subsists in all BSI publications. By using our website, you agree that we can place these types of cookies on your device. Login to view prices. The dimensions and ppart above and inTable 8 have been determined so that this is possible in all cases. Information on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service.


Parallel and Taper Keys”.

BS 4235-1:1972

For a worn keyway shaft use our well stocked Interference fit range. In addition to the three classes of fit agreed byISO as mentioned above, the United Kingdom has found it necessary to introduce an additional class, an interference fit.

Delivery for this tool is normally a few days from order date. In cases such a stepped shafts when larger diameters are required, for example to resist bending, and when fans, gears and impellers are fitted with a smaller key than normal, an unequal disposition of key in shaft with relation to the hub results. The results of these investigations have been published and they demonstrate the effects of both static and dynamic tests, and include comparisons of the stresses and deformations of the two key forms at very high loadings.

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BS 4235-1-1972 Specification for Metric Keys and Keyways. Parallel and Taper Keys

For the benefit of designers who are concerned with high static or dynamic torque loadings in keyed shafting systems, the reports are: For an account call The Catalogue may be consulted in many public libraries and similar institutions. This will be indicated in the amendment table on theinside front cover. You may find similar items within these categories by selecting from the choices below:.