Standard No.:	GB/T 16674.2-2016
English Name:	Hexagon bolts with flange―Fine pitch thread―Small series
Chinese Name:	六角法兰面螺栓 细牙 小系列
Chinese Classification:	J13    Fastener
Professional Classification:	GB    National Standard
ICS Classification:	21.060.10 21.060.10    Bolts, screws, studs 21.060.10
Source Content Issued by:	AQSIQ; SAC
Issued on:	2016-02-24
Implemented on:	2016-6-1
Status:	valid
Superseding:	GB/T 16674.2-2004 Hexagon bolts with flange with metric fine pitch thread - Small series
Target Language:	English
File Format:	PDF
Word Count:	5500 words
Translation Price(USD):	80.0
Delivery:	via email in 1 business day

1 Scope This part of GB/T 16774 specifies the types and dimensions, specifications and designations of hexagon nuts with flange with fine pitch thread, small series. This standard is applicable to the characteristics of hexagon bolts with flange with fine pitch thread, small series, and with nominal thread diameters from 8 mm to 16 mm and property classes 8.8, 9.8, 10.9, 12.9/12.9 and A2-70, and of product grade A. 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 Fasteners — Ends of Parts with External Thread (GB/T 2-2016, ISO 4753:2011, MOD) 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)

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