Standard No.:	GB/T 6170-2015
Chinese Name:	1型六角螺母
English Name:	Hexagon nuts,style 1
Professional Classification:	J13 Fastener
Professional Classification:	GB National Standard
ICS Classification:	21.060.20 Nuts
Issued by:
Issued on:	2015-12-31
Implemented on:	2016-04-01
Status:	VALID
Replace:	GB/T6170-2000 Hexagon nuts,style 1
Language:	English
File Format:	PDF
Word Count:	4000 words
Price(USD):	120 (USD)
Delivery:	via email in 1-3 business day

1 Scope

This standard specifies the types, dimensions, specifications and designation of hexagon nuts, style1.
This standard is applicable to Grades A and B hexagon nuts, style 1, with threads of M1.6~M64, and performance grades of 6, 8 and 10, A2-50, A2-70, A4-50, A4-70, CU2, CU3 and AL4. Grade A products are used for nuts with D less than or equal to 16mm; Grade B products are used for nuts with D greater than 16mm.
Note: for hexagon nuts, style 2, see GB/T 6175.

2 Normative References

The following documents for the application of this document are essential. For dated reference, just dated edition applies to this document. For undated references, the latest edition (including any amendments) applies 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 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 C Nuts (GB/T 3098.2-2015, ISO 898-2:2012, MOD)
GB/T 3098.10 Mechanical Properties of Fasteners - Bolts, Screws, Studs and Nuts Made of Non-ferrous Metals (GB/T 3098.10-1993, eqv ISO 8839:1986)
GB/T 3098.15 Mechanical Properties of Fasteners - Stainless Steel Nuts (GB/T 3098.15-2014, ISO 3506-2:2009, MOD)
GB/T 3103.1 Tolerances for Fasteners - Bolts, Screws, Studs 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 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)
GB/T 5779.2 Fasteners - Surface Discontinuities C Nuts (GB/T 5779.2-2000, idt ISO 6157-2:1995)
GB/T 6175 Hexagon Nuts, Style 2 (GB/T 6175-2016, ISO 4033:2012, 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 Blots, Screws, Studs and Nuts (GB/T 16938-2008, ISO 8992:2005, IDT)