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BS EN ISO 286-1:2010
Geometrical product specifications (GPS). ISO code system for tolerances on linear sizes. Basis of tolerances, deviations and fits (British Standard)
ISO 286-1:2010 establishes the ISO code system for tolerances to be used for linear sizes of features of the following types: a) cylinder; b) two parallel opposite surfaces.
ISO 286-1:2010 defines the basic concepts and the related terminology for this code system. It provides a standardized selection of tolerance classes for general purposes from amongst the numerous possibilities.
Additionally, it defines the basic terminology for fits between two features of size without constraints of orientation and location and explains the principles of “basic hole” and “basic shaft”.
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British Standards Institution [bsi]
British Standards Institution [bsi]