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ASME B18.2.1

Square, Hex, Heavy Hex, and Askew Head Bolts and Hex, Heavy Hex, Hex Flange, Lobed Head, and Lag Screws (Inch Series)

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Organization: ASME
Publication Date: 1 January 2012
Status: active
Page Count: 48
scope:

This Standard covers the dimensional requirements for nine product types of inch series bolts and screws recognized as American National Standard. Also included are appendices covering gaging procedures, grade markings for bolts and screws, formulas on which dimensional data are based, and a specification to assist in identifying a product as being a screw or a bolt. Where questions arise concerning acceptance of product, the dimensions in the tables shall govern over recalculation by formula. Heavy hex structural bolts, formerly covered in ASME B18.2.1, are now covered in ASME B18.2.6.

The inclusion of dimensional data in this Standard is not intended to imply that all of the products described herein are stock production sizes. Consumers should consult with suppliers concerning lists of stock production sizes.

Document History

June 19, 2013
Square, Hex, Heavy Hex, and Askew Head Bolts and Hex, Heavy Hex, Hex Flange, Lobed Head, and Lag Screws (Inch Series)
A description is not available for this item.
January 1, 2012
Square, Hex, Heavy Hex, and Askew Head Bolts and Hex, Heavy Hex, Hex Flange, Lobed Head, and Lag Screws (Inch Series)
This Standard covers the dimensional requirements for nine product types of inch series bolts and screws recognized as American National Standard. Also included are appendices covering gaging...
ASME B18.2.1
January 1, 2012
Square, Hex, Heavy Hex, and Askew Head Bolts and Hex, Heavy Hex, Hex Flange, Lobed Head, and Lag Screws (Inch Series)
This Standard covers the dimensional requirements for nine product types of inch series bolts and screws recognized as American National Standard. Also included are appendices covering gaging...
October 13, 2010
Square, Hex, Heavy Hex, and Askew Head Bolts and Hex, Heavy Hex, Hex Flange, Lobed Head, and Lag Screws (Inch Series)
This Standard covers the dimensional requirements for nine product types of inch series bolts and screws recognized as American National Standard. Also included are appendices covering gaging...
July 1, 2003
Erratum to ASME B18.2.1-1996 Square and Hex Bolts and Screws (Inch Series)
This Standard covers the complete general and dimensional data for eight product types of inch series square and hex bolts and screws recognized as American National Standard. Also included are...
October 8, 1999
Addenda to ASME B18.2.1-1996 Square and Hex Bolts and Screws (Inch Series)
This Standard covers the complete general and dimensional data for eight product types of inch series square and hex bolts and screws recognized as American National Standard. Also included are...
January 1, 1996
SQUARE AND HEX BOLTS AND SCREWS (INCH SERIES)
This Standard covers the complete general and dimensional data for eight product types of inch series square and hex bolts and screws recognized as American National Standard. Also included are...
August 3, 1990
SUPPLEMENT to ANSI B 18.2.1-1981 SQUARE AND HEX BOLTS AND SCREWS INCH SERIES
A description is not available for this item.
January 1, 1981
Square and Hex Bolts and Screws Inch Series
This Standard is intended to cover the complete general and dimensionaI data for the various types of inch series square and hex bolts and screws recognized as American National Standard. Also...
January 1, 1972
Square and Hex Bolts and Screws
This standard is intended to cover the complete general and dimensional data for the various types of square and hex bolts and screws recognized as "American National Standard." Also included are...
January 1, 1965
Square and Hex Bolts and Screws
This standard is intended to cover the complete general and dimensional data for the various types of square and hexagon bolts and screws recognized as "American Standard." Also included are...

References

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