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QC/T 340-2017

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标准号码内文价格(元)第2步交付天数标准名称状态
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标准编号: QC/T 340-2017 (QC/T340-2017)
中文名称: 汽车用六角法兰承面带齿螺栓
英文名称: (Hexagon flange for automotive use)
行业: 汽车行业标准 (推荐)
发布日期: 2017-01-09
实施日期: 2017-07-01
旧标准 (被替代): QC/T 340-1999
标准依据: 工业和信息化部公告2017年第2号
范围: 本标准规定了螺纹规格为M6~M20、M8×1~M20×1.5及M10×1.25~M20×2、性能等级为8.8、10.9级、产品等级为A级和B级的汽车用六角法兰承面带齿螺栓。

QC/T 340-2017
Hexagon bolts with serrated flange for automobile
言刖
本标准按照 GB/T 1.1-2009《标准化工作导则第 1 部分:标准的结构和编写》给出的规则
起草。
本标准代替 QC/T 340-1Q99《六角法兰承面带齿螺栓》,与 QC/T 340-1999 相比,主要技术变
化如下:
-增加了螺栓直径规格
-调整了螺纹长度规格
-修改了部分技术要求。
本标准由全国汽车标准化技术委员会(SAC/TC 114)提出并归口。
本标准起草单位:中国重型汽车集团有限公司技术发展中心、北京汽车股份有限公司、东风汽车
公司技术中心、柳州五菱汽车工业有限公司、上海汽车集团股份有限公司、杭州普拉格新能源汽车有
限公司、上海球明标准件有限公司、富奥汽车零部件股份有限公司紧固件分公司、东风汽车紧固件有
限公司。
本标准主要起草人:蒋向东、杨永祥、王鹏、张春林、孔小兵、缪光益、黄好、朱建明、郭抚顺、周曰
球、李兴慧、沈雁。
本标准所代替标准的历次版本发布情况为:
-ZB T 31017-1987
-QC/T 340-1999。
汽车用六角法兰承面带齿螺栓
1 范围
本标准规定了螺纹规格为 M6〜M20、M8 X 1〜M20X 1.5 及 M10 X 1.25〜M20 X 2,性能等级为
8.8级、10.9级,产品等级为 A级和 B级的汽车用六角法兰承面带齿螺栓。
2 规范性引用文件
下列文件对于本标准的应用是必不可少的。凡是注日期的引用文件,仅所注日期的版本适用于
本标准。凡是不注日期的引用文件,其最新版本(包括所有的修改单)适用于本标准。
GB/T 2 紧固件外螺纹零件的末端
GB/T 90.1 紧固件验收检査
GB/T 90.2 紧固件标志与包装
GB/T 193 普通螺纹直径与螺距系列
GB/T 3098.1 紧固件机械性能螺栓、螺钉和螺柱
GB/T 3103.1 紧固件公差螺栓、螺钉、螺柱和螺母
GB/T 5779.1 紧固件表面缺陷螺栓、螺钉和螺柱一般要求
GB/T 9145 普通螺纹中等精度、优选系列的极限尺寸
QC/T 326 汽车标准件产品编号规则
QC/T 625 汽车用涂镀层和化学处理层
3 型式与尺寸
汽车用六角法兰承面带齿螺栓的型式与尺寸按图 1 和表 1 的规定。

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
汽车用六角法兰承面带齿螺栓
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 -
board Electrical
Wiring Harnesses -
Part 1. Definitions,
Test Methods and
General Performance
Requirements (the
Automobile Part)
QC/T 417.1-
2001 2017-07-01
Automotive
connectors for
electrical harnesses
and electrical
equipment - Part 2.
Types and
dimensions of plug
terminals
QC/T 417.3-
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,
requirements
QCn 29010-
QCn 29011-
QCn 29013-
2017-07-01
286 QC/T 1068-2017
Asynchronous drive
motor system for
electric vehicles
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
remanufactured
products
2017-07-01
289 QC/T 1071-2017
Test method for
steady state flow
characteristics of
automotive engine
cylinder head airways
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.
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.
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 ~
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 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
comply with Figure 1 and Table 1.
   
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