ASTM F788 PDF
ASTM F788 PDF
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ASTM F788 PDF

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Standard Specification for Surface Discontinuities of Bolts, Screws, Studs, and Rivets, Inch and Metric Series

Published byPublication DateNumber of Pages
ASTM04/01/20206

ASTM F788 – Standard Specification forSurface Discontinuities of Bolts, Screws, Studs, and Rivets,Inch and Metric Series

1.1 This specification establishes allowable limits for the various types of surface discontinuities that may occur during the manufacture and processing of bolts, screws, studs, and rivets including heat-treated machine screws, tapping screws, and sems (the washers of screw-washer assemblies are excluded). This specification covers metric series products with nominal diameters of 4 mm and larger and with specified minimum tensile strengths of 420 MPa and higher; and inch series products with nominal diameters of No. 5 (0.1250 in.) and larger and with specified minimum tensile strengths of 60 000 psi and higher.

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