ASME B18.2.1-1981
Square and hex bolts and screws - Inch series

Standard No.
ASME B18.2.1-1981
Release Date
1981
Published By
American Society of Mechanical Engineers (ASME)
Status
Replace By
ASME B18.2.1 Supplement-1990
Latest
ASME B18.2.1-2012(R2021)

ASME B18.2.1-1981 history

  • 0000 ASME B18.2.1-2012(R2021)
  • 2012 ASME B18.2.1-2012 Square, Hex, Heavy Hex, and Askew Head Bolts and Hex, Heavy Hex, Hex Flange, Lobed Head, and Lag Screws (Inch Series)
  • 2010 ASME B18.2.1-2010 Square, Hex, Heavy Hex, and Askew Head Bolts and Hex, Heavy Hex, Hex Flange, Lobed Head, and Lag Screws (Inch Series)
  • 2003 ASME B18.2.1 Erratum-2003 Square and hex bolts and screws (Inch series); Erratum to ASME B18.2.1-1996
  • 1996 ASME B18.2.1-1996 Square and hex bolts and screws (Inch series)
  • 1990 ASME B18.2.1 Supplement-1990 Supplement to ANSI B 18.2.1-1981: Square and hex bolts and screws - Inch series
  • 1981 ASME B18.2.1-1981 Square and hex bolts and screws - Inch series

ASME B18.2.1-1981 -All Parts

ASME B18.2.1 Erratum-2003 Square and hex bolts and screws (Inch series); Erratum to ASME B18.2.1-1996 ASME B18.2.1 Supplement-1990 Supplement to ANSI B 18.2.1-1981: Square and hex bolts and screws - Inch series ASME B18.2.1a Addenda-1999 Square and hex bolts and screws (inch series); Addenda ASME B18.2.2-2022 Nuts for General Applications: Machine Screw Nuts, Hex, Square, Hex Flange, and Coupling Nuts (Inch Series) (B18.2.2 - 2010) ASME B18.2.3.10M-1996 Square Head Bolts (Metric Series) ASME B18.2.3.1M Errata-1980 Metric hex cap screws; Errata ASME B18.2.3.1M-1999(R2011) Metric Hex Cap Screws ASME B18.2.3.2M Errata-1980 Metric formed hex screws; Errata ASME B18.2.3.2M-2005 Metric Formed Hex Screws ASME B18.2.3.3M Errata-1981 Metric heavy hex screws; Errata ASME B18.2.3.3M-2007(R2014) ASME B18.2.3.4M-2001(R2011) Metric Hex Flange Screws ASME B18.2.3.5M Errata-1981 Metric hex bolts; Errata ASME B18.2.3.5M-1979(R2016) Metric Hex Bolts ASME B18.2.3.6M Errata-1981 Metric heavy hex bolts; Errata ASME B18.2.3.6M-1979(R2006) Metric Heavy Hex Bolts ASME B18.2.3.7M Errata-1981 Metric heavy hex structural bolts; Errata ASME B18.2.3.7M-1979(R2006) Metric heavy hex structural bolts; Errata ASME B18.2.3.8M-1981(R1999) ASME B18.2.3.9M-2001(R2020) Metric Heavy Hex Flange Screws ASME B18.2.4.1M Errata-1981 Metric hex nuts, style 1; Errata ASME B18.2.4.1M-2002 Metric Hex Nuts, Style 1 ASME B18.2.4.2M Errata-1982 Metric hex nuts, style 2; Errata ASME B18.2.4.2M-2005 Metric Hex Nuts, Style 2 ASME B18.2.4.3M Errata-1981 Metric slotted hex nuts; Errata ASME B18.2.4.3M-1979(R2017) ASME B18.2.4.4M-1982(R1999)


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