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ASTM Standards

A153/A153M Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware .

A563M Specification for Carbon and Alloy Steel Nuts (Metric) .

A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products .

B695 Specification for Coatings of Zinc Mechanically Deposited on Iron and Steel .

D3951 Practice for Commercial Packaging .

F436M Specification for Hardened Steel Washers (Metric) .

F606M Test Methods for Determining the Mechanical Properties of Externally and Internally Threaded
Fasteners, Washers, and Rivets (Metric) .

F788/F788M Specification for Surface Discontinuities of Bolts, Screws, and Studs, Inch and Metric Series .

F959M Specification for Compressible-Washer-Type Direct Tension Indicators for Use With Structural
Fasteners (Metric) .

F1136M Specification for Zinc/Aluminum Corrosion Protective Coatings for Fasteners (Metric) .

F1470 Practice for Fastener Sampling for Specified Mechanical Properties and Performance Inspection .

F1789 Terminology for F16 Mechanical Fasteners .

G101 Guide for Estimating the Atmospheric Corrosion Resistance of Low-Alloy Steels .

ASME Standards

B1.13M Metric Screw Threads .

B18.18.3M Inspection and Quality Assurance for Special Purpose Fasteners .

B18.2.3.7M Metric Heavy Hex Structural Bolts .

B18.24 Part Identifying Number (PIN) Code System Standard for B18 Fastener Products .

Note: In 2016, ASTM A325M was officially withdrawn and replaced by ASTM F3125, in which A325M
now becomes a grade under the F3125 specification. The F3125 specification is a consolidation and
replacement of six ASTM standards, including; A325, A325M, A490, A490M, F1852, and F2280. We
are choosing to keep this technical information about the now obsolete A325M specification on our
website for reference and informational purposes only.Our Services

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