Standard No.:	GB/T 6177.1-2016
English Name:	Hexagon nus wit flange,style 2
Chinese Name:	2型六角法兰面螺母
Professional Classification:	GB    National Standard
Source Content Issued by:	AQSIQ; MOH
Issued on:	2016-02-24
Implemented on:	2016-6-1
Status:	valid
Superseding:	GB/T 6177.1-2000 Hexagon nuts with flange
Target Language:	English
File Format:	PDF
Word Count:	4500 words
Translation Price(USD):	80.0
Delivery:	via email in 1 business day

1 Scope This part of GB/T 6177 specifies the types and dimensions, specifications and designations of hexagon nuts with flange, style 2. This standard is applicable to the characteristics of hexagon nuts with flange (style 2), with metric coarse threads from M5 to M20 inclusive, of product grades A and B, and with property classes 8, 10 and 12. Product grade A and grade B are respectively used for the nuts with D ≤ 16 mm and D > 16 mm. 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 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 Purpose Metric Screw Threads — General Plan (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 3098.15 Mechanical Properties of Fasteners — Nuts Made of Stainless Steel (GB/T 3098.15-2014, ISO 3506-2:2012, MOD) 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, Fasteners — Electroplated coatings, IDT) GB/T 5267.2 Fasteners — Non-electrolytically Applied Zinc Flake Coatings (GB/T 5267.2-2002, ISO 10683:2000, Fasteners — Non-electrolytically Applied Zinc Flake Coatings, IDT) GB/T 5267.3 Fasteners — Hot Dip Galvanized Coatings (GB/T 5267.3-2008, ISO 10684:2004, IDT) GB/T 5267.4 Passivation of Corrosion-resistant Stainless — Steel Fasteners (GB/T 5267.4-2009, ISO 16048:2003, IDT) GB/T 5276 Fasteners — Bolts, Screws, Studs and Nuts — Symbols and Designations of Dimensions (GB/T 5276-2015, ISO 225:2010, MOD)

Foreword II 1 Scope 2 Normative References 3 Dimensions 4 Technical Requirements and Reference Standards 5 Designation Annex A (Normative) Gauging of Hexagon Nuts with Flange