Milling machine arbors with 7/24 tapers - Dimensions and designation Ingestion-build-242630 BS 3907-4 provides the principle

BS 3907-4 provides the principle in which the sample is dissolved in sulphuric acid and oxidized with nitric acid

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Milling machine arbors with 7/24 tapers - Dimensions and designation Ingestion-build-242630 BS 3907-4 provides the principle1 Scope This part of ISO 839 specifies the dimensions of milling machine arbors with 7 24 tapers in accordance with ISO 297. It also specifies the designation of these arbors. NOTE The accessories of these arbors (spacing collars, bearing collars and clamping nuts) are specified in ISO 839 2.