ASTM_C_1002_-_16.pdf

Designation:C100216Standard Specification forSteel Self-Piercing Tapping Screws for Application ofGypsum Panel Products or Metal Plaster Bases to WoodStuds or Steel Studs1This standard is issued under the fixed designation C1002;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope*1.1 This specification covers steel self-piercing tappingscrews for use in fastening gypsum panel products and metalplaster bases to cold-formed steel studs less than 0.033 in.(0.84 mm)in thickness and wood members,and for fasteninggypsum panel products to gypsum board.1.2 This specification also covers test methods for determin-ing performance requirements and physical properties.1.3 The values stated in inch-pound units are to be regardedas standard.The SI(metric)values given in parentheses areapproximate and are for information only.1.4 The following safety hazards caveat pertains only to thetest methods described in this specification:This standard doesnot purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the user of thisstandard to establish appropriate safety and health practicesand determine the applicability of regulatory limitations priorto use.2.Referenced Documents2.1 ASTM Standards:2A548 Specification for Steel Wire,Carbon,Cold-HeadingQuality,for Tapping or Sheet Metal Screws(Withdrawn1989)3A568/A568M Specification for Steel,Sheet,Carbon,Structural,and High-Strength,Low-Alloy,Hot-Rolled andCold-Rolled,General Requirements forC11 Terminology Relating to Gypsum and Related BuildingMaterials and SystemsC645 Specification for Nonstructural Steel Framing Mem-bersC847 Specification for Metal LathC1396/C1396M Specification for Gypsum Board3.Terminology3.1 Definitions:For definitions relating to gypsum andrelated building materials and systems,see Terminology C11.3.2 Definitions of Terms Specific to This Standard:3.2.1 self-piercing,vthe ability to penetrate without ben-efit of a pre-drilled hole with sharp-point angles of not morethan 30.4.Classification4.1 Steel screws covered by this specification are of fourtypes of thread configurations:4.1.1 Type G,course-pitch high-thread self-piercing screwsfor fastening gypsum board to gypsum board.4.1.2 Type S,fine-thread screw for fastening gypsum boardto cold formed steel members.4.1.3 Type W,course-thread screw for fastening gypsumboard to wood members.4.1.4 Type A,course-pitch tapping screw thread for fasten-ing metal plaster bases to wood or cold-formed steel.5.Materials5.1 Steel Wire,for manufacturing screws,SpecificationA548,Grades 1013 to 1022 for Type G and Type W screws.5.2 Steel Wire,for manufacturing screws,SpecificationA568/A568M,Grades 1018 to 1022 for Type S and Type Ascrews.6.Physical Properties6.1 Hardness:6.1.1 The surface of Type S,Type W,and Type A screwsshall be case hardened to a depth of not less than 0.002 in.(0.05 mm)with case hardness not less than 45 HRC.1This specification is under the jurisdiction of ASTM Committee C11 onGypsum and Related Building Materials and Systems and is the direct responsibilityof Subcommittee C11.02 on Specifications and Test Methods for Accessories andRelated Products.Current edition approved Nov.1,2016.Published November 2016.Originallyapproved in 1983.Last previous edition approved in 2014 as C1002 14.DOI:10.1520/C1002-16.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 6.1.2 The surface of Type G screws is not required to becase hardened.6.2 DuctilityThe screws shall have sufficient ductility tobe able to withstand a 10 bend without visible signs of fracturewhen tested as specified in 12.6.7.7.Performance Requirements7.1 Type G Screws:7.1.1 Screws shall be able to self-pierce and drive intogypsum panel products.7.1.2 Screw threads shall be adequate to pull the head of thescrew below the surface of the gypsum panel product whentested as specified in 12.6.2.7.2 Type S Screws:7.2.1 GeneralScrews shall be able to self-pierce and driveinto cold-formed steel members in less than 2 s,when tested asspecified in 12.6.3.1.7.2.2 Screws for Fastening Gypsum Panel ProductsScrewthreads shall be adequate to pull the head of the screw belowthe surface of the gypsum panel product,without spin-out,when tested as specified in 12.