ASTM F912M-00

Standard Specification for Alloy Steel Socket Set Screws [Metric]

SCOPE
1.1 This specification covers the requirements for quenched and tempered alloy steel socket set screws (SSS) M1.6 through M24 sizes having hardnesses 45 to 53 HRC, ISO 898/5 property class 45H.
1.2 The hazard statement pertains only to the test method section, Section 11 of this specification. This standard does not purport to address all of the safety problems, 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.  
Note 1-This specification is the metric companion of Specification F 912.

General Information

• Status: Historical
• Publication Date: 09-May-2000
• ICS: 21.060.10 - Bolts, screws, studs
• Technical Committee: F16 - Fasteners
• Drafting Committee: F16.02 - Steel Bolts, Studs and Nuts

Relations

• Replaced By: ASTM F912M-04 - Standard Specification for Alloy Steel Socket Set Screws [Metric]
• Effective Date: 01-Aug-2004
• Referred By: ASTM F2328M-17(2022) - Standard Test Method for Determining Decarburization and Carburization in Hardened and Tempered Threaded Steel Bolts, Screws, Studs, and Nuts (Metric)
• Effective Date: 10-May-2000

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: F 912M – 00
METRIC
Standard Specification for
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Alloy Steel Socket Set Screws [Metric]
This standard is issued under the fixed designation F 912M; 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 * 2.2 ANSI/ASME Standards:
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B18.3.6M Hexagon Socket Set Screws Metric Series
1.1 This specification covers the requirements for quenched
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B18.24.1 Part Identifying Number (PIN) Code System
and tempered alloy steel socket set screws (SSS) M1.6 through
2.3 ISO Standard:
M24 sizes having hardnesses 45 to 53 HRC, ISO 898/5
898/5 Mechanical Properties of Fasteners—Set Screws and
property class 45H.
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Similar Threaded Fasteners Not Under Tensile Stress
1.2 These set screws are intended for compression applica-
tions only and are not customarily subjected to embrittlement
3. Ordering Information
tests. For tensile applications, consult with the manufacturer
3.1 Orders for material under this specification shall include
for proper alloy and hardness.
the following information:
1.3 The hazard statement pertains only to the test method
3.1.1 Quantity (number of screws).
section, Section 11 of this specification. This standard does not
3.1.2 Dimensions, including nominal thread designation,
purport to address all of the safety concerns, if any, associated
thread pitch, nominal screw length (millimetres) and point
with its use. It is the responsibility of the user of this standard
configuration. A standard part number may be used for this
to establish appropriate safety and health practices and
definition.
determine the applicability of regulatory limitations prior to
3.1.3 Name of the screw (SSS).
use.
3.1.4 Coating, if required. See 4.4.
NOTE 1—This specification is the metric companion of Specification
3.1.5 Lot testing, if required. See 10.3.
F 912.
3.1.6 Certification, if required. See 14.1.
3.1.7 ASTM designation and year of issue.
2. Referenced Documents
3.1.8 Any special or supplemental requirements.
2.1 ASTM Standards:
3.1.9 For establishment of a part identifying system, see
A 751 Test Methods, Practices, and Terminology for
ASME B18.24.1.
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Chemical Analysis of Steel Products
3.2 Example—50 000 pieces M6x1x8 cone point SSS—
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D 3951 Practice for Commercial Packaging
certification per 14.1—ASTM F 912M–_ _(state issue date), or
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E 3 Methods of Preparation of Metallographic Specimens
25000 pcs B1836A 060008K SSS—certification per 14.1—
E 18 Test Methods for Rockwell Hardness and Rockwell
ASTM F 912M– _ _(state issue date).
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Superficial Hardness of Metallic Materials
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E 112 Test Methods for Determining Average Grain Size
4. Material and Manufacture
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E 384 Test Method for Microhardness of Materials
4.1 The screws shall be fabricated from alloy steel made to
F 788/F788M Specification for Surface Discontinuities of
a fine grain practice. In the event of controversy over grain
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Bolts, Screws, and Studs, Inch and Metric Series
size, referee tests on finished screws conducted in accordance
with Test Method E 112 shall prevail.
4.2 The screw may be forged, formed, extruded, machined,
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or ground to meet the dimensional characteristics and perfor-
This specification is under the jurisdiction of ASTM Committee F16 on
Fasteners and is the direct responsibility of Subcommittee F16.02 on Steel Bolts,
mance requirements.
Nuts, Rivets, and Washers.
Current edition approved May 10, 2000. Published July 2000. Originally
published as F 912M – 85. Last previous edition F 912M – 99.
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Annual Book of ASTM Standards, Vol 01.03. Available from American National Standards Institute, 11 West 42nd Street,
3
Annual Book of ASTM Standards, Vol 15.09. 13th Floor, New York, NY 10036.
4 7
Annual Book of ASTM Standards, Vol 03.01. Available from American Society of Mechanical Engineers, Three Park
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Annual Book of ASTM Standards, Vol 01.08. Avenue, New York, NY 10016–5990.
*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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F 912M
TABLE 2 Torsional Strength Requirements
4.3 Set screws shall be heat treated by quenching in oil from
above the transformation temperature and then tempered by
Nominal Shortest Nominal Screw Test
reheating to meet the hardness range specified in 6.2.
Screw Lengths Subject to Torque Torque
4.4 Standard Finishes—Unless otherwise specified, the
Size Testing for N-m,
screws shall be furnished with one of the following standard min
Cup and
...