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ASME B18.22M-1981 (R2017)
Metric Plain Washers (B18.22M - 1981)
This Standard covers general specifications and dimensions for flat, round hole washers, both soft (as fabricated) and hardened, intended for use in general purpose applications. The inclusion of dimensional data in this Standard is not intended to imply that all sizes displayed are production stock items. Manufacturers should be contacted for current information on stock sizes.
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American Society of Mechanical Engineers [asme]
American Society of Mechanical Engineers [asme]