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GB/T 5783-2016 English PDF (GBT5783-2016)

GB/T 5783-2016 English PDF (GBT5783-2016)

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GB/T 5783-2016: Hexagon head bolts -- Full thread

This standard specifies the type size, technical conditions and marking of fullthread hexagon head bolts.
GB/T 5783-2016
GB
NATIONAL STANDARD
OF THE PEOPLE REPUBLIC OF CHINA
ICS 21.060.10
J 13
Replacing GB/T 5783-2000
Hexagon head bolts - Full thread
??????????????? - ?????????
(ISO 4717.2004, Fasteners - Hexagon head screws ?€?
Product grades A and B, MOD)
ISSUED ON. FEBRUARY 24, 2016
IMPLEMENTED ON. JUNE 01, 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 Dimensions... 7
4 Technical conditions and reference standards ... 14
5 Marking ... 14
Foreword
This standard is one of the national standards of "Hex Head Bolt" series, which includes.
- GB/T 27 Hexagon fit shank bolts;
- GB/T 28 Hexagon fit shank bolts with split pin hole on shank;
- GB/T 29.1 Hexagon bolts with slot on head;
- GB/T 29.2 Hexagon bolts with cross recess on head;
- GB/T 31.1 Hexagon bolts with split pin hole on shank;
- GB/T 31.2 Hexagon bolts with split pin on shank - Reduced shank - Product grade B;
- GB/T 31.3 Hexagon bolts with split pin on shank - Fine pitch thread - Product grade A and B;
- GB/T 32.1 Hexagon bolts with wire holes on head - Product grade A and B; - GB/T 32.2 Hexagon bolts with wire holes on head - Reduced shank -
Product grade B;
- GB/T 32.3 Hexagon bolts with wire holes on head - Fine pitch thread - Product grade A and B;
- GB/T 5780 Hexagon head bolts - Product grade C;
- GB/T 5781 Hexagon head bolts - Full thread - Product grade C;
- GB/T 5782 hexagon head bolts;
- GB/T 5783 Hex head bolts - Full thread;
- GB/T 5784 Hexagon head bolts - Reduced shank - Product grade B;
- GB/T 5785 Hexagon head bolts - Fine pitch thread;
- GB/T 5786 Hexagon head bolts - Fine pitch thread - Full thread.
This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 5783-2000 ?€?Hexagon head bolts - Full thread?€?; as compared with GB/T 5783-2000, the main technical changes are as follows. - DELETE ?€?if requiring other technical requirements, ... select from GB/T 3098.6 and GB/T 3103.1)?€? (Chapter 1 of the 2000 version);
- UNIFY the reference thread standard as GB/T 193, GB/T 9145 (Chapter 2); - SPECIFY only the surface defects of steel products. GB/T 5779.1 (Table 3);
- ADD the steel bolt surface without treatment; DELETE the oxidation
treatment (Table 3);
- ADD the technical requirements of steel bolts non-electrolytically zinc flake coating in accordance with GB/T 5267.2 (Table 3);
- ADD the technical requirements for the hot dip galvanized layer of steel bolts in accordance with GB/T 5267.3 (Table 3).
- ADD the technical requirements for passivation treatment of stainless steel in accordance with GB/T 5267.4 (Table 3);
- ADD the technical requirements for non-ferrous metal bolt electroplating in accordance with GB/T 5267.1;
- In the marking, it is only allowed to omit. the surface is not treated, replacing the surface oxidation treatment (5.2).
This standard, through redrafting method, modifies and adopts ISO 4017.2014 ?€?Fastener - Hexagon head screws - Product grade A and B?€? (English version). The technical differences between this standard and ISO 4017 and their causes are as follows.
- DELETE the provisions of ISO 4017 that ?€?if requiring other technical
requirements, ... select from GB/T 3098.6 and GB/T 3103.1)?€? (Chapter 1), which does not belong to the contents of this standard;
- In the normative references, USE Chinese standard to replace international standard (Chapter 2); ADD the references to GB/T 5782 (Chapter 1), GB/T 90.2 (Table 3), GB/T 193 (Table 3), GB/T 9145 (Table 3), GB/T 5267.4
(Table 3) and GB/T 1237 (5.1); DELETE the reference to ISO 724 and ISO
965-1, in order to comply with our basic fastener standards;
- ADD the technical requirements for passivation treatment of stainless steel (Table 3); EXPAND the product application range;
- ADD the packaging technical requirements (Table 3), in order to comply with our basic fastener standards;
Hexagon head bolts - Full thread
1 Scope
This standard specifies the type size, technical conditions and marking of full- thread hexagon head bolts.
This standard applies to the hexagon head bolts of thread specifications M1.6 ~ M64 or full thread, the performance level of 5.6, 8.8, 9.8, 10.9, A2-70, A4-70, A2-50, A4-50, CU2, CU3 and AL4 level, and product grade A and B. Grade A applies to d = 1.6 mm ~ 24 mm and l ??? 10d or l ??? 150 mm (whichever is smaller); AND grade B applies to d > 24 mm or l > 10d or l > 150 mm (whichever is smaller).
Note. Unless otherwise made in full thread AND the maximum nominal length of the preferred length specification is 200 mm, this product is same as that of GB/T 5782.
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 Standard.
GB/T 2 Fasteners - Ends of parts with external thread (GB/T 2-2016, ISO 4753.2011, MOD)
GB/T 3 Run-outs, undercuts and chamfers for general purpose metric screw threads (GB/T 3-1997, eqv ISO 3508.1976, ISO 4755.1983)
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 3098.1 Mechanical properties of fasteners - Bolts, screws and studs (GB/T 3098.1-2010, ISO 898-1.2009, MOD)
GB/T 3098.6 Mechanical properties of fasteners - Stainless steel bolts, screws and studs (GB/T 3098.6-2014, ISO 3506-1.2009, 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 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, 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 fastener (GB/T 5267.4-2009, ISO 16048.2003, IDT)
GB/T 5276 Fasteners - Bolts, screws, studs and nuts - Symbols and
descriptions of dimensions (GB/T 5276-2015, ISO 225.2010, MOD)
GB/T 5779.1 Fasteners - Surface discontinuities - Bolts, screws and studs for general requirements (GB/T 5779.1-2000, idt ISO 6157-1.1988)
GB/T 5782 Hexagon head bolts (GB/T 5782-2016, ISO 4014.2011, 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 bolts screws studs and
nuts (GB/T 16938-2008, ISO 8992.2005, IDT)
3 Dimensions
The type size of the bolts is as shown in Figure 1 and Table 1 and 2.
The size code and marking shall comply with GB/T 5276.

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