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BS 959:1950

Specification for internal micrometers (including stick micrometers)

Standard Details

Micrometers comprising a measuring head, extension rods with or without spacing collars, handle (in smaller sizes). Three sizes of measuring head, in inch and metric units. Stick micrometers for measurement of greater internal lengths (6 in or 12 in micrometer unit, fitted with micrometer of 1 in range which, with series of extension rods, permits measurement up to maximum length required). Material, thimble and barrel, micrometer screw, extension rods, spacing collars, adjustment, accuracy, rigidity, handle, gap setting gauges, marking, case and packaging, test methods.

General Information

Status : WITHDRAWN
Standard Type: Main
Document No: BS 959:1950
Document Year: 1950
Pages: 16
  • Section Volume:
  • GBM09 Metrology (GMB09)

Life Cycle

Confirmed

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BS 959:1950

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