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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Register to order and save money. Specification Keysteel BS46 Part1 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.

Users of British Standards vs4235 responsible for their correct application. So please help us by uploading 1 new document or like us to download:.

Standard Number BS We are a sharing community. Ppart dimensions and tolerances of interference fit keys shall be given in Table 10 and Table Copyright Copyright subsists in all BSI publications.

Parallel Metric Keys and Keyway Dimensions

BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. This patt can be reversed.

NOTE 2The assembly of a taper key requires that the taper of the key be fitted to the keyway. You may experience paft viewing this site in Internet Explorer 9, 10 or View e-Privacy Directive Documents.

The use of smaller key sections is permitted if suitable for the torque transmitted. So please help us by uploading 1 new document or like us to download: This will be indicated in the amendment table on theinside front cover.


Find Similar Items This product falls into the following categories. Standard mm Lengths, supplied in Metric and Imperial. Please download Chrome or Firefox or view our browser tips. The values in bold type are those which bs425 most nearly with the preferred lengths given bs235 9 and 10 of BS 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.

It is incorporated by Royal Charter. Bs44235 standard has been updated see copyright date and may have had amendments incorporated.

Parallel and taper keys BS For the benefit of designers who are concerned with high static or dynamic torque loadings in keyed shafting systems, the reports are: Size px x x x x 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.

Customers who bought this product also bought BS Take the smart route to manage medical device compliance. For a worn keyway shaft use our well stocked Interference fit range. For further information make an Enquiry.

BS 4235-1:1972

The Government department and scientific and industrial organizations marked with an asterisk in the above list, together with the following, were directly represented on the committee entrusted with the preparation of this British Standard: Contact the Information Centre.


In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested. Recommended standard lengths are given in Table 9. For an account or quote Login to view prices. Reconsider Cookies You have declined cookies. In cases such as 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.

Keybar to the tolerances on width b and thickness h specified for the finished keys will not necessarily be commercially available.

Keysteel | Key Steel | BS | DIN | BS46

This standard makes reference to the following British Standards: This website uses cookies to manage authentication, navigation, and other functions. The above reports are obtainable from the Reports Unit, National Engineering Laboratory, East Kilbride, Glasgow, to which enquirers should apply direct.

Carbon and carbon manganese steels, including free cutting steels.

The dimensions and tolerances above and in Table 6 have been determined so that this is possible in all cases. In addition, a fourth class of fit is provided in this British Standard to give an interference fit. A4 grade stainless steel.

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