ASTM A574M-04

    Standard Specification for Alloy Steel Socket-Head Cap Screws [Metric]


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    1. Scope

    1.1 This specification covers the requirements for quenched and tempered alloy steel socket-head cap screws 1.6 mm through 48 mm in diameter having a minimum ultimate tensile strength of 1220 MPa.

    Note 1—This specification is the metric companion of Specification A 574.

    The following hazard caveat pertains only to the test method portion, Section 10, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

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

    E112 Test Methods for Determining Average Grain Size

    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

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


    ICS Code

    ICS Number Code 21.060.10 (Bolts, screws, studs)

    UNSPSC Code

    UNSPSC Code 31161501(Cap screws)


    Referencing This Standard

    DOI: 10.1520/A0574M-04

    ASTM International is a member of CrossRef.


    Citation Format

    ASTM A574M-04, Standard Specification for Alloy Steel Socket-Head Cap Screws [Metric], ASTM International, West Conshohocken, PA, 2004, www.astm.org

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