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GB/T 9074.18-2017

Chinese Standard: 'GB/T 9074.18-2017'
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Detail Information of GB/T 9074.18-2017; GB/T9074.18-2017
Description (Translated English): Tapping screw and washer assemblies with plain washers
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J13
Classification of International Standard: 21.060.10
Word Count Estimation: 6,662
Date of Issue: 2017-07-12
Date of Implementation: 2018-02-01
Drafting Organization: China Machine Productivity Promotion Center
Administrative Organization: National Fastener Standardization Technical Committee (SAC/TC 85)
Proposing organization: China Machinery Industry Federation
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China, China National Standardization Administration Committee

GB/T 9074.18-2017
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 21.060.10
J 13
Replacing GB/T 9074.18-2002
Tapping Screw and Washer
Assemblies with Plain Washers
(ISO 10510.2011, MOD)
自攻螺钉和平垫圈组合件
ISSUED ON. JULY 12, 2017
IMPLEMENTED ON. FEBRUARY 1, 2018
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration of PRC.
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Table of Contents
Foreword ... 3
1 Scope ... 6
2 Normative References ... 6
3 Type and Dimension ... 7
4 Technical Conditions and Reference Standards ... 9
5 Markings ... 9
Foreword
This Part is one of the serial national standards of “Fasteners - Assemblies”, such
series include.
--- GB/T 9074.1 Bolt and Screw and Washer Assemblies with Plain Washers;
--- GB/T 9074.2 Cross Recessed Pan Head Screw and Serrated Lock Washer
External Teeth Assemblies;
--- GB/T 9074.3 Cross Recessed Pan Head Screw and Single Coil Spring Lock
Washer Assemblies;
--- GB/T 9074.4 Cross Recessed Pan Head Screw, Single Coil Spring Lock Washer
and Plain Washer Assemblies;
--- GB/T 9074.5 Cross Recessed Small Pan Head Screw and Washer Assemblies
with Plain Washers;
--- GB/T 9074.7 Cross Recessed Small Pan Head Screw and Single Coil Spring
Lock Washer Assemblies;
--- GB/T 9074.8 Cross Recessed Small Pan Head Screw, Single Coil Spring Lock
Washer and Plain Washer Assemblies;
--- GB/T 9074.9 Cross Recessed Countersunk Head Screw and Countersunk
External Toothed Lock Washer Assemblies;
--- GB/T 9074.10 Cross Recessed Raised Countersunk Head Screw and
Countersunk External Toothed Lock Washer Assemblies;
--- GB/T 9074.11 Cross Recessed Hexagon Bolt with Indention and Plain Washer
Assemblies;
--- GB/T 9074.12 Cross Recessed Hexagon Bolt with Indentation and Single Coil
Spring Lock Washer Assemblies;
--- GB/T 9074.13 Cross Recessed Hexagon Bolt with Indentation, Single Coil Lock
Washer and Plain Washer Assemblies;
--- GB/T 9074.15 Hexagon Head Bolt and Single Coil Spring Lock Washer
Assemblies;
--- GB/T 9074.16 Hexagon Head Bolt and Serrated Lock Washer External Teeth
Assemblies;
--- GB/T 9074.17 Hexagon Head Bolt, Single Coil Spring Lock Washer and Plain
Washer Assemblies;
--- GB/T 9074.18 Tapping Screw and Washer Assemblies with Plain Washers;
--- GB/T 9074.20 Cross Recessed Hexagon Head Tapping Screw with Indentation
and Washer Assemblies with Plain Washers;
--- GB/T 9074.26 Single Coil Spring Lock Washer for Assembly;
--- GB/T 9074.27 Serrated Lock Washer External Teeth for Assembly;
--- GB/T 9074.28 Countersunk External Toothed Lock Washer for Assembly.
This Part belongs to Part 18 of GB/T 9074.
This Part was drafted as per the rules specified in GB/T 1.1-2009.
This Part replaced GB/T 9074.18-2002 Tapping Screw and Washer Assemblies with
Plain Washers; compared with GB/T 9074.18-2002, this Part has the major technical
changes as follows.
--- Add slotted pan head tapping screw with chamfered end (Type-R) (see Figure
3).
This Part adopts re-drafting method to modify and sue ISO 10510.2011 Tapping Screw
and Washer Assemblies with Plain Washers.
The technical differences and their causes between ISO 10510.2011 and this Part are
as follows.
--- In the normative references, use national standards to replace the international
standards (see Clause 2); add the reference of GB/T 5276 (see Clause 3), GB/T
90.1 (see Table 2), GB/T 90.2 (see Table 2), GB/T 1237 (see 5.2); so that conform
to China’s fastener basic standard;
--- Add the packaging technical requirements (see Table 2); so that conform to
China’s fastener basic standard.
This Part was proposed by China Machinery Industry Federation.
This Part shall be under the jurisdiction of National Technical Committee for
Standardization of Fastener (SAC/TC 85).
Drafting organizations of this Part. China Productivity Center for Machinery.
Participating drafting organizations of this Part. Zhejiang Jingyi Standard Components
Co, Ltd.
Tapping Screw and Washer
Assemblies with Plain Washers
1 Scope
This Part of GB/T 9074 specifies type and dimension, technical conditions and marking
of tapping screw and washer assemblies with plain washers.
This Part is Applicable to the tapping screw and washer assemblies with plain washers
for Thread Specification ST 2.2 ~ ST 9.5, flat supporting surface, and the mechanical
properties conforming to GB/T 3098.5.
2 Normative References
The following documents are essential to the application of this document. For the
dated documents, only the versions with the dates indicated are applicable to this
document; for the undated documents, only the latest version (including all the
amendments) are applicable to this document.
GB/T 90.1 Fasteners – Acceptance Inspection (GB/T 90.1-2002, idt ISO
3269.2000)
GB/T 90.2 Fasteners – Marking and Packaging
GB/T 97.5-2002 Plain Washers for Tapping Scre......
Related standard:   GB/T 9074.1-2018  GB/T 9074.31-2017
   
 
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