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
