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    ASTM F116 - 12(2021)

    Standard Specification for Medical Screwdriver Bits

    Active Standard ASTM F116 | Developed by Subcommittee: F04.21

    Book of Standards Volume: 13.01


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    Abstract

    This specification covers the acceptable material and dimensional requirements, and tolerances for bits of screwdrivers used for inserting and removing metal screws applied in surgical implants. The medical screwdrivers are available in the following types: Type Isingle-slot bit; Type IIcruciate-slot bit; Type IIIcross-slot (modified Phillips) bit; Type IVhexagonal bit; Type Vsquare bit; Type VIhexalobe bit. The bit and shaft portion should be fabricated from either martensitic stainless steel or cold worked cobalt-chromium-tungsten-nickel alloy, as specified. The portions should also meet specified values of Rockwell hardness.

    This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

    1. Scope

    1.1 This specification covers the acceptable dimensions and tolerances for bits of screwdrivers to insert and remove metal screws used as surgical implants.

    1.2 This specification is based, in part, upon ISO 8319-1, ISO 8319-2, and ISO 10664.

    1.3 The screwdrivers with the bits described in this specification are suitable for use with screws described in Specification F543, ISO 5835, and ISO 9268.

    1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

    1.5 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

    1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


    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

    E18 Test Methods for Rockwell Hardness of Metallic Materials

    F90 Specification for Wrought Cobalt-20Chromium-15Tungsten-10Nickel Alloy for Surgical Implant Applications (UNS R30605)

    F543 Specification and Test Methods for Metallic Medical Bone Screws

    F565 Practice for Care and Handling of Orthopedic Implants and Instruments

    F899 Specification for Wrought Stainless Steels for Surgical Instruments

    F1744 Guide for Care and Handling of Stainless Steel Surgical Instruments


    ICS Code

    ICS Number Code 11.040.30 (Surgical instruments and materials)

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/F0116-12R21

    Citation Format

    ASTM F116-12(2021), Standard Specification for Medical Screwdriver Bits, ASTM International, West Conshohocken, PA, 2021, www.astm.org

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