ASTM C954-15
(Specification)Standard Specification for Steel Drill Screws for the Application of Gypsum Panel Products or Metal Plaster Bases to Steel Studs from 0.033 in. (0.84 mm) to 0.112 in. (2.84 mm) in Thickness
Standard Specification for Steel Drill Screws for the Application of Gypsum Panel Products or Metal Plaster Bases to Steel Studs from 0.033 in. (0.84 mm) to 0.112 in. (2.84 mm) in Thickness
ABSTRACT
This specification covers the minimum requirements, physical properties, and test methods for steel drill screws for use in fastening gypsum panel products or metal plaster bases to steel members. The screws shall be manufactured from Grade 1018 to 1022 steel wire and the screw surface shall be carbonitrided to a specific depth. The apparatus for testing shall comprise of a power-driven drill screw gun and a vice or a similar device to support the stud during tests. Surface hardness and ductility of the specimens shall conform to the metallurgical property requirements as shall be determined by microhardness and bend test methods, respectively.
SCOPE
1.1 This specification covers minimum requirements for steel drill screws for use in fastening gypsum panel products or metal plaster bases to steel members from 0.033 in. (0.84 mm) to 0.112 in. (2.84 mm) in thickness.
1.2 This specification also covers physical properties and test methods for determining performance requirements.
1.3 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.
1.4 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.
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Designation:C954 −15
Standard Specification for
Steel Drill Screws for the Application of Gypsum Panel
Products or Metal Plaster Bases to Steel Studs from 0.033
1
in. (0.84 mm) to 0.112 in. (2.84 mm) in Thickness
This standard is issued under the fixed designation C954; 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 (´) 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* for Screw Application of Gypsum Panel Products and
Metal Plaster Bases
1.1 This specification covers minimum requirements for
C1396/C1396M Specification for Gypsum Board
steel drill screws for use in fastening gypsum panel products or
C1513 Specification for Steel Tapping Screws for Cold-
metal plaster bases to steel members from 0.033 in. (0.84 mm)
Formed Steel Framing Connections
to 0.112 in. (2.84 mm) in thickness.
1.2 This specification also covers physical properties and
3. Terminology
test methods for determining performance requirements.
3.1 Definitions:
1.3 The values stated in inch-pound units are to be regarded
3.1.1 For definitions relating to gypsum and related building
as standard. The values given in parentheses are mathematical
materials and systems, see Terminology C11.
conversions to SI units that are provided for information only
3.2 Definitions of Terms Specific to This Standard:
and are not considered standard.
3.2.1 steel drill screw, n—self-drilling tapping screw with
the ability to drill its own hole, form or cut mating threads
1.4 The following safety hazards caveat pertains only to the
without deforming its own threads or breaking during assem-
test methods described in this specification. This standard does
bly.
not purport to address all of the safety concerns, if any,
associated with its use. It is the responsibility of the user of this
4. Materials
standard to establish appropriate safety and health practices
and determine the applicability of regulatory limitations prior
4.1 Screws shall be manufactured from Grade 1018 to 1022
to use.
steel wire manufactured in accordance with Specification
A510.
2. Referenced Documents
2
5. Physical Properties
2.1 ASTM Standards:
A510 Specification for General Requirements for Wire Rods
5.1 Metallurgical Requirements:
and Coarse Round Wire, Carbon Steel
5.1.1 The surface of the screw shall be carbonitrided to a
C11 Terminology Relating to Gypsum and Related Building
depth of 0.004 to 0.008 in. (0.10 to 0.20 mm).
Materials and Systems
5.1.2 The core hardness shall be 32 to 40 HRC after being
C847 Specification for Metal Lath
drawn at a minimum temperature of 625°F (330°C).
C955 Specification for Load-Bearing (Transverse andAxial)
5.1.3 The screw shall have no band of free ferrite between
Steel Studs, Runners (Tracks), and Bracing or Bridging
the case and core nor shall the case contain appreciable
amounts of retained austenite or other soft constituents.
5.1.4 Surface hardness shall be determined by a micro
1
This specification is under the jurisdiction of ASTM Committee C11 on
hardness instrument at “the root of the thread profile,” as
Gypsum and Related Building Materials and Systems and is the direct responsibility
exposed by removal of enough material to form a flat surface
of Subcommittee C11.02 on Specifications and Test Methods for Accessories and
Related Products.
along the length of the screw.
Current edition approved June 1, 2015. Published June 2015. Originally
5.1.5 Ductility—Screws shall have sufficient ductility to be
approved in 1981. Last previous edition approved in 2011 as C954 – 11. DOI:
able to withstand a 5° bend without visible signs of fracture
10.1520/C0954-15.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or when tested as specified in paragraph 8.2.1 of Specification
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
C1513.
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. 5.2 Dimensions and Permissible Variations:
*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
1
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C954−15
5.2.1 General: 7.2 Screws shall be straight, clean, smooth, neatly formed,
5.2.1.1 Head Diameter—The head of the screw shall not be and free of defects such as burrs and deformations.
out of round more than 0.021 in. (0.51 mm) and have the
8. Sampling
following shape and dimensions:
5.2.1.2 Screw Diameter— Screws shall have a major diam-
8.1 Obtain not less than 90 screws
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: C954 − 11 C954 − 15
Standard Specification for
Steel Drill Screws for the Application of Gypsum Panel
Products or Metal Plaster Bases to Steel Studs from 0.033
1
in. (0.84 mm) to 0.112 in. (2.84 mm) in Thickness
This standard is issued under the fixed designation C954; 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 (´) 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 minimum requirements for steel drill screws for use in fastening gypsum panel products or metal
plaster bases to steel members from 0.033 in. (0.84 mm) to 0.112 in. (2.84 mm) in thickness.
1.2 This specification also covers physical properties and test methods for determining performance requirements.
1.3 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.
1.4 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.
2. Referenced Documents
2
2.1 ASTM Standards:
A510 Specification for General Requirements for Wire Rods and Coarse Round Wire, Carbon Steel
C11 Terminology Relating to Gypsum and Related Building Materials and Systems
C847 Specification for Metal Lath
C955 Specification for Load-Bearing (Transverse and Axial) Steel Studs, Runners (Tracks), and Bracing or Bridging for Screw
Application of Gypsum Panel Products and Metal Plaster Bases
C1396/C1396M Specification for Gypsum Board
C1513 Specification for Steel Tapping Screws for Cold-Formed Steel Framing Connections
3. Terminology
3.1 Definitions:
3.1.1 For definitions relating to gypsum and related building materials and systems, see Terminology C11.
3.2 Definitions of Terms Specific to This Standard:
3.2.1 steel drill screw—screw, n—self-drilling tapping screw with the ability to drill its own hole, form or cut mating threads
without deforming its own threads or breaking during assembly.
4. Materials
4.1 Screws shall be manufactured from Grade 1018 to 1022 steel wire manufactured in accordance with Specification A510.
5. Physical Properties
5.1 Metallurgical Requirements:
5.1.1 The surface of the screw shall be carbonitrided to a depth of 0.004 to 0.008 in. (0.10 to 0.20 mm).
1
This specification is under the jurisdiction of ASTM Committee C11 on Gypsum and Related Building Materials and Systems and is the direct responsibility of
Subcommittee C11.02 on Specifications and Test Methods for Accessories and Related Products.
Current edition approved Dec. 1, 2011June 1, 2015. Published January 2012June 2015. Originally approved in 1981. Last previous edition approved in 20102011 as
C954C954 – 11.–10. DOI: 10.1520/C0954-11. 10.1520/C0954-15.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
*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
1
---------------------- Page: 1 ----------------------
C954 − 15
5.1.2 The core hardness shall be 32 to 40 HRC after being drawn at a minimum temperature of 625 °F (330 °C). 625°F (330°C).
5.1.3 The screw shall have no band of free ferrite between the case and core nor shall the case contain appreciable amounts of
retained austenite or other soft constituents.
5.1.4 Surface hardness shall be determined by a micro hardness instrument at “the root of the thread profile,” as exposed by
removal of enough material to form a flat surface along the length of the screw.
5.1.5 Ductility—Screws shall have sufficient ductility to be able to withstand a 5° bend without visible signs of fracture when
tested as specified in paragraph 8.2.1 of Specification C1513.
5.2 Dimensions and Permissible Variations:
5.2.1
...
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