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BS 869:1978

Specification for toolmakers' flats and high precision surface plates

Standard Details

Circular hardened steel or granite toolmakers' flats up to 200 mm diameter and circular cast iron or granite high precision surface plates 250 and 400 mm diameter. Material, general design, finish, accuracy, cases, packing and marking. Composition of typical steels, cast irons and heat treatment.

General Information

Status : Confirmed
Standard Type: Main
Document No: BS 869:1978
Document Year: 1978
Pages: 10
  • Section Volume:
  • GBM09 Metrology (GMB09)

Life Cycle

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Confirmed
BS 869:1978

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