ASTM A66-07

    Standard Specification for Steel Screw Spikes


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    1. Scope

    1.1 This specification covers steel screw spikes used as fastenings between railroad rails, tie plates, and ties.

    1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

    1.3 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

    A370 Test Methods and Definitions for Mechanical Testing of Steel Products

    A700 Practices for Packaging, Marking, and Loading Methods for Steel Products for Shipment


    ICS Code

    ICS Number Code 21.060.10 (Bolts, screws, studs)

    UNSPSC Code

    UNSPSC Code 31162014(Railroad spike or nail)


    Referencing This Standard

    DOI: 10.1520/A0066-07

    ASTM International is a member of CrossRef.


    Citation Format

    ASTM A66-07, Standard Specification for Steel Screw Spikes, ASTM International, West Conshohocken, PA, 2007, www.astm.org

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