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GB/T 6172.2-2016 English PDF (GBT6172.2-2016)

GB/T 6172.2-2016 English PDF (GBT6172.2-2016)

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GB/T 6172.2-2016: Prevailing torque type hexagon thin nuts (with non-metallic insert)

This Part of GB/T 6172 specifies the type and dimension, technical conditions and markings of prevailing torque type hexagon thin nuts (with non-metallic insert).
GB/T 6172.2-2016
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 21.060.20
J 13
Replacing GB/T 6172.2-2000
Prevailing Torque Type Hexagon
Thin Nuts (with Non-Metallic Insert)
(ISO 10511.2012, 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 ... 8
5 Markings ... 9
Foreword
This Part of GB/T 6172 is one of the serial national standards of ?€?Prevailing Torque Type Hexagon Nuts?€?; such series 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 Prevailing Torque Type All-Metal Hexagon Nuts with Flange, Style- 2;
--- GB/T 6187.2 Prevailing Torque Type All-Metal Hexagon Nuts with Flange, Style- 2 ?€? Fine Pitch Thread.
This Part belongs to Part 2 of GB/T 6172.
This Part was drafted as per the rules specified in GB/T 1.1-2009.
This Part replaced GB/T 6172.2-2000 Prevailing Torque Type Hexagon Thin Nuts (with Non-Metallic insert); compared with GB/T 6172.2-2000, this Part has the major technical changes as follows.
--- Delete ?€?if other technical requirements are needed, ... the selection in GB/T 3098.9 and GB/T 3103.1).?€? (Chapter 1 of 2000 Edition);
This Standard shall be under the jurisdiction of National Technical Committee for Standardization of Fastener (SAC/TC 85).
Drafting organizations of this Standard. China Productivity Center for Machinery. Participating drafting organizations of this Standard. Gem-Year Industrial Co., Ltd. This Standard shall be interpreted by the Secretariat of National Technical Committee for Standardization of Fastener.
The historical edition replaced by this Standard is as follows.
--- GB/T 6172.2-2000.
Prevailing Torque Type Hexagon
Thin Nuts (with Non-Metallic Insert)
1 Scope
This Part of GB/T 6172 specifies the type and dimension, technical conditions and markings of prevailing torque type hexagon thin nuts (with non-metallic insert). This Part is applicable to the prevailing torque type hexagon thin nuts (with non-metallic insert) with Thread Specification M3~M36, Property Class 04, 05, Product Grade A and B. If D???16mm, use Grade A nuts; if D>16mm, use Grade B nuts.
NOTE. such nuts is equivalent to the GB/T 6172.1 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, ISO 3269.2000, IDT)
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 898-2.2009, 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)

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