ASTM C1002-01
(Specification)Standard Specification for Steel Self-Piercing Tapping Screws for the Application of Gypsum Panel Products or Metal Plaster Bases to Wood Studs or Steel Studs
Standard Specification for Steel Self-Piercing Tapping Screws for the Application of Gypsum Panel Products or Metal Plaster Bases to Wood Studs or Steel Studs
SCOPE
1.1 This specification covers steel self-piercing tapping screws for use in fastening gypsum panel products and metal plaster bases to cold-formed steel studs less than 0.033 in. (0.84 mm) in thickness and wood members and for fastening gypsum panel products to gypsum board.
1.2 This specification also covers test methods for determining performance requirements and physical properties.
1.3 The values stated in inch-pound units are to be regarded as the standard. The SI (metric) values given in parentheses are approximate and are for information only.
1.4 The following safety hazards caveat pertains only to the test methods described in 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.
General Information
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Standards Content (Sample)
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Designation: C 1002 – 01
Standard Specification for
Steel Self-Piercing Tapping Screws for the Application of
Gypsum Panel Products or Metal Plaster Bases to Wood
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Studs or Steel Studs
This standard is issued under the fixed designation C 1002; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope * 3.2 Definitions of Terms Specific to This Standard:
3.2.1 self-piercing, v—the ability to penetrate without ben-
1.1 This specification covers steel self-piercing tapping
efit of a pre-drilled hole with sharp-point angles of not more
screws for use in fastening gypsum panel products and metal
than 30°.
plaster bases to cold-formed steel studs less than 0.033 in.
3.2.2 spin-out, v—for a screw, the continued rotation of a
(0.84 mm) in thickness and wood members and for fastening
screw without further penetration into the substrate.
gypsum panel products to gypsum board.
1.2 This specification also covers test methods for determin-
4. Classification
ing performance requirements and physical properties.
4.1 Steel screws covered by this specification are of four
1.3 The values stated in inch-pound units are to be regarded
types of thread configurations:
as the standard. The SI (metric) values given in parentheses are
4.1.1 Type G, course-pitch high-thread self-piercing screws
approximate and are for information only.
for fastening gypsum board to gypsum board.
1.4 The following safety hazards caveat pertains only to the
4.1.2 Type S, fine-thread screw for fastening gypsum board
test methods described in this specification: This standard does
to cold formed steel members.
not purport to address all of the safety concerns, if any,
4.1.3 Type W, course-thread screw for fastening gypsum
associated with its use. It is the responsibility of the user of this
board to wood members.
standard to establish appropriate safety and health practices
4.1.4 Type A, course-pitch tapping screw thread for fasten-
and determine the applicability of regulatory limitations prior
ing metal plaster bases to wood or cold-formed steel.
to use.
5. Materials
2. Referenced Documents
5.1 Steel Wire, for manufacturing screws, Specification
2.1 ASTM Standards:
A 548, Grades 1013 to 1022.
A 548 Specification for Steel Wire, Carbon, Cold-Heading
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Quality for Tapping or Sheet Metal Screws
6. Physical Properties
C 11 Terminology Relating to Gypsum and Related Build-
3 6.1 Hardness:
ing Materials and Products
6.1.1 The surface of Type S, Type W, and Type A screws
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C 36 Specification for Gypsum Wallboard
shall be case hardened to a depth of not less than 0.002 in.
C 645 Specification for Nonstructural Steel Framing Mem-
(0.05 mm) with case hardness not less than 45 HRC.
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bers
3 6.1.2 The surface of Type G screws is not required to be
C 847 Specification for Metal Lath
case hardened.
3. Terminology 6.2 Ductility—The screws shall have sufficient ductility to
be able to withstand a 15° bend without visible signs of fracture
3.1 Definitions: For definitions relating to gypsum and
when tested as specified in 12.6.6.
related building materials and systems, see Terminology C 11.
7. Performance Requirements
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This specification is under the jurisdiction of ASTM Committee C11 on
7.1 Type G Screws:
Gypsum and Related Building Materials and Systems and is the direct responsibility
7.1.1 Screws shall be able to self-pierce and drive into
of Subcommittee C11.02 on Specifications and Test Methods for Accessories and
Related Products. gypsum panel products.
Current edition approved Sept. 10, 2001. Published November 2001. Originally
7.1.2 Screw threads shall be adequate to pull the head of the
published as C 1002 – 83. Last previous edition C 1002 – 00.
screw below the surface of the gypsum panel product when
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Discontinued; see 1990 Annual Book of ASTM Standards, Vol 01.03.
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tested as specified in 12.6.2.
Annual Book of ASTM Standards, Vol 04.01.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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C 1002
7.2 Type S Screws: 8.5.1 Nominal Length—The nominal length shall be the
7.2.1 General—Screws shall be able to self-pierce and drive minimum length.
into cold-formed steel members in less than 2 s, when tested as 8.5.2 Type W and Type A screws shall be long enough to
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specified in 12.6.3.1. penetrate wood members not less than ⁄8 in. (15.9 mm).
8.6 Threads—Either single or multiple thread design.
7.2.2 Scr
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