ASME B18.2.1-1996 (R2005) PDF
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. Published August 5, 1997
This Standard covers the complete general and dimensional data for eight productypes of inch series square and hex bolts and screws recognized as American National Standard. Also included are appendixes covering thread ranout sleeve gages, gaging procedure for checking bolt and screw straightness, grade markings for steel 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.. It should be understood, however, that where questions arise concerning acceptance of product, the dimensions in the tables shall govern over recalculafion by formula. Heavy hex structural bolts, formerly covered in ANSI B 18.2.1, are now covered in ASME B 18.2.6.
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