QC/T 340-2017 (QC/T340-2017, QCT 340-2017, QCT340-2017) & related versions
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QC/T 340-2017: PDF in English (QCT 340-2017)
QC/T 340-2017
QC
AUTOMOBILE INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 43.040
T 31
Replacing QC/T 340-1999
Hexagon bolts with serrated flange for automobile
ISSUED ON. JANUARY 09, 2017
IMPLEMENTED ON. JULY 01, 2017
Issued by. Ministry of Industry and Information Technology of the
People's Republic of China
Table of Contents
Foreword ... 3
1 Scope ... 10
2 Normative references ... 10
3 Type and size ... 10
4 Technical conditions ... 13
5 Product number ... 14
Annex.
References, names and dates of implementation of 42 automotive industry
standards
No. Standard reference Standard name
Standard
reference being
substituted
Date of
implementation
250 QC/T 776-2017 Motor caravan QC/T 776-2007 2017-07-01
251 QC/T 1051-2017 Coach car 2017-07-01
252 QC/T 1052-2017 Communication vehicle 2017-07-01
253 QC/T 1053-2017 Concrete spraying vehicle 2017-07-01
254 QC/T 1054-2017 Tunnel cleaning vehicle 2017-07-01
255 QC/T 1055-2017 Drainage and rescue vehicle 2017-07-01
256 QC/T 218-2017
Technical
specifications for
steering column
upper combined
switch of automobile
QC/T 218-1996 2017-07-01
257 QC/T 1056-2017
Technical
requirements and test
methods for
automotive dual
clutch automatic
transmission
assembly
2017-07-01
258 QC/T 245-2017
Technical
specifications for
isolated plant of
compressed-natural-
gas (CNG)
automobile
QC/T 245-2002 2017-07-01
259 QC/T 247-2017
Technical
specifications for
isolated plant of
liquefied petroleum
gas
QC/T 247-2002 2017-07-01
260 QC/T 1057-2017 Car snow chains 2017-07-01
261 QC/T 1058-2017 Car fingerprint identification device 2017-07-01
283 QC/T 1067.1-2017
Road Vehicles -
Connections for On-
board Electrical
Wiring Harnesses -
Part 1. Definitions,
Test Methods and
General Performance
Requirements (the
Automobile Part)
QC/T 417.1-
2001 2017-07-01
284 QC/T 1067.2-2017
Automotive
connectors for
electrical harnesses
and electrical
equipment - Part 2.
Types and
dimensions of plug
terminals
QC/T 417.3-
QC/T 417.4-
QC/T 417.5-
2017-07-01
285 QC/T 1067.3-2017
Automotive
connectors for
electrical harnesses
and electrical
equipment - Part 3.
Wire connector type,
size and special
requirements
QCn 29010-
QCn 29011-
QCn 29013-
2017-07-01
286 QC/T 1068-2017
Asynchronous drive
motor system for
electric vehicles
2017-07-01
287 QC/T 1069-2017
Permanent magnet
synchronous drive
motor system for
electric vehicles
2017-07-01
288 QC/T 1070-2017
Technical
specifications of
automobile parts
remanufactured
products
2017-07-01
289 QC/T 1071-2017
Test method for
steady state flow
characteristics of
automotive engine
cylinder head airways
2017-07-01
Foreword
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009
“Directives for standardization - Part 1. Structure and drafting of standards”.
This Standard replaces QC/T 340-1999 “Hexagon flange bearing toothed bolt”.
Compared with QC/T 340-1999, the main technical changes in this Standard
are as follows.
- added bolt diameter specification;
- adjusted thread length specification;
- modified partial technical requirements.
This Standard was proposed by and shall be under the jurisdiction of National
Technical Committee on Automobile of Standardization Administration of China
(SAC/TC 114).
The drafting organizations of this Standard. China National Heavy Duty Truck
Group Co., Ltd. Technology Development Center, Beijing Automobile
Corporation, Dongfeng Motor Corporation Technology Center, Liuzhou Wuling
Automobile Industry Co., Ltd., Shanghai Automotive Group Co., Ltd., Hangzhou
Prager New Energy Automobile Co., Ltd., Shanghai Ball Ming Standard Parts
Co., Ltd., Fuao Auto Parts Co., Ltd. Fastener Branch, Dongfeng Motor Fastener
Co., Ltd.
Main drafters of this Standard. Jiang Xiangdong, Yang Yongxiang, Wang Peng,
Zhang Chunlin, Kong Xiaobing, Lao Guangyi, Huang Hao, Zhu Jianming, Guo
Fushun, Zhou Riqiu, Li Xinghui, Shen Yan.
Versions of standard substituted by this Standard are.
- ZB T 31017-1987;
- QC/T 340-1999.
Hexagon bolts with serrated flange for automobile
1 Scope
This Standard specifies hexagon bolts with serrated flange for automobile of
which thread specifications are M6 ~ M20, M8×1 ~ M20×1.5 and M10×1.25 ~
M20×2, performance level is 8.8, 10.9, product level is A and B.
2 Normative references
The following referenced documents are indispensable for the application of
this document. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any
amendments) applies.
GB/T 2, Fastener - End of external threaded part
GB/T 90.1, Fasteners - Acceptance inspection
GB/T 90.2, Fasteners - Marking and packaging
GB/T 193, Ordinary thread - Diameter and pitch series
GB/T 3098.1, Mechanical Properties of Fasteners - Bolts, Screws and Studs
GB/T 3103.1, Essential oils and aromatic extracts - Determination of residual
benzene content
GB/T 5779.1, Fasteners - Surface discontinuities - Bolts, screws and studs
for general requirements
GB/T 9145, General purpose metric screw threads - Limits of sizes for the
screw threads of medium quality and preferable plan
QC/T 326, Automotive standard parts product numbering rules
QC/T 625, Metallic coatings and conversion coatings for automobiles
3 Type and size
The type and size of hexagon bolts with serrated flange for automobile shall
comply with Figure 1 and Table 1.
......
| Standard ID | QC/T 340-2017 (QC/T340-2017) | | Description (Translated English) | Hexagon bolts with serrated flange for automobile | | Sector / Industry | Automobile & Vehicle Industry Standard (Recommended) | | Classification of Chinese Standard | T24 | | Word Count Estimation | 12,149 | | Date of Issue | 2017-01-09 | | Date of Implementation | 2017-07-01 | | Older Standard (superseded by this standard) | QC/T 340-1999 | | Regulation (derived from) | Ministry of Industry and Information Technology Announcement No.2 of 2017 | | Summary | This standard specifies hexagonal flanges for automotive grades with M6~M20, M8��1~M20��1.5 and M10��1.25~M20��2, performance grades of 8.8, 10.9, and grades A and B. Faceted bolts. |
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