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Precise conversion of inch and metric sizes on engineering drawings.
STANDARD published on 8.10.1973
Designation standards: BS 2856:1973
Publication date standards: 8.10.1973
SKU: NS-62763
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: British technical standard
Category: Technical standards BS
Technical drawings in generalQuantities and unitsLimits and fits
Provides a procedure for the conversion of inch and metric sizes on engineering drawings which will give the essential accuracy required for precise dimensional interchangeability. The standard gives specific guidance on the optimum fineness of rounding the converted size, and recommends a procedure for conversion which takes the form of simple rules covering successive steps in the conversion. Examples of the application of the rules are given for a variety of cases. Tables of conversion from inches to millimetres, and vice versa, are included in an appendix to facilitate the work. Status: Confirmed
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