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GB/T 6183.2-2016 English PDF (GBT6183.2-2016)

GB/T 6183.2-2016 English PDF (GBT6183.2-2016)

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GB/T 6183.2-2016: Prevailing torque type hexagon nuts with flange (with non-metallic insert), style 2 -- Fine pitch thread

This Part of GB/T 6183 specifies the type and dimension, technical conditions and markings of prevailing torque tyke hexagon nuts with flange (with non-metallic insert), style 2 - fine pitch thread.
GB/T 6183.2-2016
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 21.060.20
J 13
Replacing GB/T 6183.2-2000
Prevailing Torque Type Hexagon Nuts with Flange
(with Non-Metallic Insert), Style 2 ?€? Fine Pitch Thread
[ISO 12125.2012, Prevailing Torque Type Hexagon Nuts with Flange
(with Non-Metallic Insert) with Metric Fine Pitch Thread, Style 2 ?€?
Product Grades A and B, MOD]
ISSUED ON. FEBRUARY 24, 2016
IMPLEMENTED ON. JUNE 1, 2016
Issued by. General Administration of Quality Supervision, Inspection and Quarantine;
Standardization Administration of PRC.
Table of Contents
Foreword ... 3
1 Scope ... 6
2 Normative References ... 6
3 Dimension ... 7
4 Technical Conditions and Reference Standards ... 9
5 Markings ... 10
Appendix A (Normative) Inspection of Hexagon and Flange ... 11
Foreword
This Part of GB/T 6183 is one of the serial national standards of ?€?Prevailing Torque Type Hexagon Nuts?€?, which include.
--- GB/T 889.1 Prevailing Torque Type Hexagon Nuts (with Non-Metallic Insert), Style 1;
--- GB/T 889.2 Prevailing Torque Type Hexagon Nuts (with Non-Metallic Insert), Style 1 ?€? Fine Pitch Thread;
--- GB/T 6172.2 Prevailing Torque Type Hexagon Thin Nuts (with Non-Metallic Insert);
--- GB/T 6182 Prevailing Torque Type Hexagon Nuts (with Non-Metallic Insert), Style 2;
--- GB/T 6183.1 Prevailing Torque Type Hexagon Nuts with Flange (with Non- Metallic Insert), Style 2;
--- GB/T 6183.2 Prevailing Torque Type Hexagon Nuts with Flange (with Non- Metallic Insert), Style 2 ?€? Fine Pitch Thread;
--- GB/T 6184 Prevailing Torque Type All-Metal Hexagon Nuts, Style 1;
--- GB/T 6185.1 Prevailing Torque Type All-Metal Hexagon Nuts, Style 2; --- GB/T 6185.2 Prevailing Torque Type All-Metal Hexagon Nuts, Style 2 - Fine Pitch Thread;
--- GB/T 6187.1 Prevaling Torque Type All-Metal Hexagon with Flange, Style 2; --- GB/T 6187.2 Prevaling Torque Type All-Metal Hexagon with Flange, Style 2 ?€? Fine Pitch Thread.
This Part belongs to Part 2 of GB/T 6183.
This Part was drafted as per the rules specified in GB/T 1.1-2009.
This Part replaced GB/T 6183.2-2000 Prevailing Torque Type Hexagon Nuts with Flange (with Non-Metallic Insert) with Fine Pitch Thread; compared with GB/T 6183.2- 2000, this part has the major technical changes as follows.
--- Modify the standard name;
--- Delete ?€?if other technical requirements are needed, ... the selection in GB/T 3098.9 and GB/T 3103.1.?€? (Chapter 1 of Edition 2000);
--- Modify the standard name.
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. Machinery Industry General Parts Product Quality Supervision and Inspection Center, and Ningbo Zhongji Machine Parts Inspection Co., Ltd..
This Part shall be interpreted by the Secretariat of National Technical Committee for Standardization of Fastener.
The historical edition replaced by this Part is as follows.
--- GB/T 6183.2-2000.
Prevailing Torque Type Hexagon Nuts with Flange
(with Non-Metallic Insert), Style 2 ?€? Fine Pitch Thread
1 Scope
This Part of GB/T 6183 specifies the type and dimension, technical conditions and markings of prevailing torque tyke hexagon nuts with flange (with non-metallic insert), style 2 ?€? fine pitch thread.
This Part is applicable to the prevailing torque tyke hexagon nuts with flange (with non- metallic insert), style 2 with thread nominal diameter D=8mm~20mm, fine thread and Property Class 6, 8 and 10, Product Grades A and B. Grade A is applied to the nuts with D???16; while Grade B is applied to the nuts with D>16mm.
NOTE. such nuts equals to GB/T 6177.2 plus the effective torque part.
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 193 General Purpose Screw Threads ?€? Diameters and Pitches (GB/T 193- 2003, ISO 261.1998, MOD)
GB/T 1237 Designation System for Fasteners (GB/T 1237-2000, eqv ISO
8991.1986)
GB/T 3098.2 Mechanical Properties of Fasteners - Nuts (GB/T 3098.2-2015, ISO 898-2.2012, MOD)
GB/T 3098.9 Mechanical Properties of Fasteners - Prevailing Torque Type Steel Nuts (GB/T 3098.9-2010, ISO 2320.2008, IDT)
GB/T 3103.1 Tolerances for Fasteners ?€? Bolts, Screws and Nuts (GB/T 3103.1- 2002, idt ISO 4759-1.2000)
GB/T 5267.1 Fasteners ?€? Electroplated Coatings (GB/T 5267.1-2002, ISO
4042.1999, IDT)
GB/T 5267.2 Fasteners ?€? Non-Electrolytically Applied Zinc Flake Coatings (GB/T 5267.2-2002, ISO 10683.2000, IDT)
GB/T 5276 Fasteners - Bolts, Screws, Studs and Nuts - Symbols and Descriptions of Dimensions (GB/T 5276-2015, ISO 225.2010, MOD)
GB/T 5779.2 Fasteners - Surface Discontinuities - Nuts (GB/T 5779.2-2000, idt ISO 6157-2.1995)
GB/T 6177.2 Hexagon Nus with Flange ?€? Fine Pitch Thread (GB/T 6177.2-2016, ISO 10663.2012, MOD)
GB/T 9145 General Purpose Metric Screw Threads - Limits of Sizes for the Screw Threads of Medium Quality and Preferable Plan (GB/T 9145-2003, ISO 965- 2.1998, MOD)
GB/T 16938 Fasteners ?€? General Requirements for Bolts, Screws, Studs and Nuts (GB/T 16938-2008, ISO 8992.2005, IDT)
3 Dimension
The types and dimensions of nuts can refer to Figure 1 and Table 1.
The dimension codes and markings shall conform to GB/T 5276.

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