BS 1734 – Specification for micrometer heads

Heads for assembly with measuring or machine tools. Three types, thimble diameters below 1 in, 1 in and below 2 in, 2 in and over; measuring ranges ½ in, 1 in, 13 mm, 25 mm. Material, micrometer screw, spindle, thimble and barrel adjustments, measuring faces and graduations, dimensions and standards of accuracy.

Cross References:
BS 817
BS 818
BS 852
BS 863
BS 869
BS 870
BS 887
BS 888
BS 906
BS 907
BS 939
BS 957
BS 958
BS 959
BS 1054
BS 1643
BS 1685
BS 1790

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