ASME B18.2.1:2012(R2021)
Current
The latest, up-to-date edition.
Square, Hex, Heavy Hex, and Askew Head Bolts and Hex, Heavy Hex, Hex Flange, Lobed Head, and Lag Screws (Inch Series)
Hardcopy , PDF
English
01-01-2021
This Standard covers the dimensional requirements for nine product types of inch series bolts and screws recognized as American National Standard.
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