ASTM C954-00
(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
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 the standard. The values given in parentheses 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
Relations
Buy Standard
Standards Content (Sample)
NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: C 954 – 00
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
This standard is issued under the fixed designation C 954; 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 * 3.2.1 steel drill screw—self-drilling tapping screw with the
ability to drill its own hole, form or cut mating threads without
1.1 This specification covers minimum requirements for
deforming its own threads or breaking during assembly.
steel drill screws for use in fastening gypsum panel products or
metal plaster bases to steel members from 0.033 in. (0.84 mm)
4. Materials
to 0.112 in. (2.84 mm) in thickness.
4.1 Screws shall be manufactured from Grade 1018 to 1022
1.2 This specification also covers physical properties and
steel wire manufactured in accordance with Specification
test methods for determining performance requirements.
A 510.
1.3 The values stated in inch-pound units are to be regarded
as the standard. The values given in parentheses are for
5. Physical Properties
information only.
5.1 Metallurgical Requirements:
1.4 The following safety hazards caveat pertains only to the
5.1.1 The surface of the screw shall be carbonitrided to a
test methods described in this specification. This standard does
depth of 0.004 to 0.008 in. (0.10 to 0.20 mm).
not purport to address all of the safety concerns, if any,
5.1.2 The core hardness shall be 32 to 40 HRB after being
associated with its use. It is the responsibility of the user of this
drawn at a minimum temperature of 625°F (330°C).
standard to establish appropriate safety and health practices
5.1.3 The screw shall have no band of free ferrite between
and determine the applicability of regulatory limitations prior
the case and core nor shall the case contain appreciable
to use.
amounts of retained austenite or other soft constituents.
5.1.4 Surface hardness shall be determined by a micro
2. Referenced Documents
hardness instrument at “the root of the thread profile,” as
2.1 ASTM Standards:
exposed by removal of enough material to form a flat surface
A 510 Specification for General Requirements for Wire
2 along the length of the screw.
Rods and Coarse Round Wire, Carbon Steel
5.2 Dimensions and Permissible Variations:
C 11 Terminology Relating to Gypsum and Related Build-
3 5.2.1 General:
ing Materials and Systems
3 5.2.1.1 Head Diameter— The head of the screw shall not be
C 36 Specification for Gypsum Wallboard
out of round more than 0.021 in. (0.51 mm) and have the
3. Terminology following shape and dimensions:
5.2.1.2 Screw Diameter— Screws shall have a major diam-
3.1 Definitions:
eter not less than 0.136 in. (3.45 mm).
3.1.1 For definitions relating to gypsum and related building
5.2.1.3 Points, shall provide for self-drilling into steel studs
materials and systems, see Terminology C 11.
from 0.333 in. (0.84 mm) to 0.112 in. (2.84 mm) in thickness
3.2 Definitions of Terms Specific to This Standard:
and meet the performance tests in Section 6.
5.2.1.4 Driving Recess, shall be a No. 2 “Phillips” design
This specification is under the jurisdiction of ASTM Committee C11 on
with a minimum depth of 0.104 in. (2.64 mm) as determined
Gypsum and Related Building Materials and Systems and is the direct responsibility
with a “Phillips” penetration depth gage or a recess of equal
of Subcommittee C11.02 on Specifications and Test Methods for Accessories and
performance.
Related Products.
5.2.1.5 Length—Nominal lengths shall be minimum length.
Current edition approved May 10, 2000. Published July 2000. Originally
published as C 954 – 81. Last previous edition C 954 – 98.
5.2.2 Screws for Fastening Gypsum Board:
Annual Book of ASTM Standards, Vol 01.03.
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.
C 954
5.2.2.1 Screw-head minimum diameter shall be 0.3145 in. 10. Test Method
(8.00 mm).
10.1 Summary of Test Method:
5.2.2.2 The top of the head shall be flat. The outer flange
10.1.1 This test method utilizes steel screws designed for
thickness shall be 0.025 6 0.005 in. (0.64 6 0.13 mm). The
use to hold gypsum panel products and metal plaster base
contour beneath the flange head shall be such that the screw
materials applied with power-driven screw guns of 2500 r/min
head shall be able to be driven so that the head of the screw
maximum to steel studs.
rests immediately below the surface of the gypsum panel
10.2 Significance and Use:
products.
10.2.1 This test method evaluates the ability of steel drill
5.2.2.3 The threads shall extend to the lower edge of the
screws used to secure gypsum panel products and metal plaster
head contour.
bases to certain steel framing members.
5.2.3 Screws for Fastening Metal Plaster Bases:
10.2.2 The test shall be conducted in a laboratory or on-site.
5.2.3.1 Screw head minimum diameter shall be 0.437 in.
10.3 Apparatus:
(11.1 mm).
10.3.1 Power-Driven Drill Screw Gun, having the capacity
5.2.3.2 The top of the head shall be flat or contoured. The
of turning 2500 r/min maximum (free spindle speed).
underside of the head shall be flat.
10.3.2 A Vice, or similar device to support the stud during
5.2.3.3 The threads shall extend to the underside of the
the test.
head.
10.4 Materials:
10.4.1 Kraft Paper, 0.010 in. (0.25 mm) thick.
6. Performance Requirements
10.4.2 Steel Stud—One section of 0.033-in. thick stud
6.1 Spin Out: (0.84-mm), 1
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.