BS 906-1:1972
Current
Date published:
Specification for engineers' parallels, Metric units
Six sizes of Grade A and eight of Grade B parallels with cross sections from 5 mm x 10 mm to 30 mm x 60 mm and from 5 mm x 10 mm to 50 mm x 100 mm respectively. Material, finish, accuracy, marking, protection.
Related Information
17.040.30 Measuring instruments
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