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BS 870:1950

Specification for external micrometers

Standard Details

External micrometers with fixed anvils having measuring ranges of 0 to ½ in and 0 to 13 mm, and 1 in and 25 mm up to maximum sizes of 24 in and 600 mm respectively. Includes external micrometer with interchangeable anvils for alternative measurement ranges. Material, design of frame, micrometer screw, spindle, thimble and barrel, adjustments, measuring faces, accuracy, packing and marking; setting gauges (material, general design, accuracy); test methods appended.

General Information

Status : WITHDRAWN
Standard Type: Main
Document No: BS 870:1950
Document Year: 1950
Pages: 20
  • Section Volume:
  • GBM09 Metrology (GMB09)

Life Cycle

Confirmed

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BS 870:1950

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