Specification for engineers' parallels - Metric units
Specification for engineers' parallels - Metric units
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What is BS 906-1 - Metric units’ specification ?
BS 906-1 is an International Standard that discusses the technical specifications for engineers’ parallels. BS 906-1 applies to parallel sided steel blocks of six sizes in Grade A and eight sizes in Grade B. Parallels described in BS 906-1 are made of high-quality steel, hardened, and stabilized by a stress-relieving process. BS 906-1 discusses material, finish, accuracy, marking and protection related to parallels.
Who is BS 906-1 - Metric units’ specification for ?
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