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GB/T 31.1-2013: Hexagon bolts with split pin hole on shank
Status: Valid GB/T 31.1: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 31.1-2013 | English | 189 |
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3 days [Need to translate]
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Hexagon bolts with split pin hole on shank
| Valid |
GB/T 31.1-2013
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| GB/T 31.1-1988 | English | 199 |
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2 days [Need to translate]
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Hexagon bolts with split pin hole on shank--Product grade A and B
| Obsolete |
GB/T 31.1-1988
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PDF similar to GB/T 31.1-2013
Standard similar to GB/T 31.1-2013 GB/T 8 GB/T 32.1 GB/T 32.3 Basic data | Standard ID | GB/T 31.1-2013 (GB/T31.1-2013) | | Description (Translated English) | Hexagon bolts with split pin hole on shank | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J13 | | Classification of International Standard | 21.060.10 | | Word Count Estimation | 8,882 | | Older Standard (superseded by this standard) | GB/T 31.1-1988 | | Quoted Standard | GB/T 90.1; GBT 90.2; GB/T 196; GB/T 197; GB/T 1237; GB/T 3098.1; GB/T 3098.6; GB/T 3103.1; GB/T 5267.1; GB/T 5267.2; GB/T 5278; GB/T 5779.1; GB/T 5782; GB/T 16938 | | Regulation (derived from) | National Standards Bulletin 2013 No. 9 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the thread size of M6 ~ M48, product class A and class B Banjo bolt hex head screw. This standard specifies the bolt is in the GB/T 5782 products shank system out cotter pin hole. | GB/T 31.1-2013: Hexagon bolts with split pin hole on shank---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Hexagon bolts with split pin hole on shank
ICS 21.060.10
J13
National Standards of People's Republic of China
Replacing GB/T 31.1-1988
Hexagon head bolts with
Issued on. 2013-06-09
2014-03-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T of the portion 31 (hereinafter referred to as the standard) is one of the national standard "bolt series of standards", the series includes.
--- GB/T 8-1988 square head bolts;
--- GB/T 10-2013 countersunk square neck bolts;
--- GB/T 11-2013 Shen head nib bolt;
--- GB/T 12-2013 head square neck bolts;
--- GB/T 13-2013 round with mortise bolts;
--- GB/T 14-2013 oval head square neck bolts;
--- GB/T 15-2013 oval head nib bolt;
--- GB/T 27-2013 hex head bolt reinforcing rods;
--- GB/T 28-2013 hex head bolt reinforcing rods screw hole;
--- GB/T 29.1-2013 hexagonal head bolts groove;
--- GB/T 29.2-2013 hexagonal head cross recessed bolt;
--- GB/T 31.2-1988 hexagon head bolts with a thin rod;
--- GB/T 31.3-1988 hexagon head bolts with fine teeth;
--- GB/T 32.1-1988 hexagon head bolt hole;
--- GB/T 32.2-1988 hexagon head with holes bolt shank;
--- GB/T 32.3-1988 hexagon head bolts with wire holes tooth;
--- GB/T 35-2013 small square head bolts;
--- GB/T 5780-2000 hex head bolts Grade C;
--- GB/T 5781-2000 hex head bolt Full thread Class C;
--- GB/T 5782-2000 hex head bolts;
--- GB/T 5783-2000 hex head bolts - Full thread;
--- GB/T 5784-1986 hex head bolt shank;
--- GB/T 5785-2000 hex head bolts with fine teeth;
--- GB/T 5786-2000 hex head bolt fine pitch full thread;
--- GB/T 5789-1986 hex flange bolts to increase the Series B grade;
--- GB/T 5790-1986 hex flange bolts Heavy series B grade;
--- GB/T 16674.1-2004 Hexagon flange bolts small series;
--- GB/T 16674.2-2004 Hexagon flange bolts with fine teeth small series.
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard replaces GB/T 31.1-1988 "hex head bolts with A and B grade."
This standard compared with GB/T 31.1-1988 main changes are as follows.
--- Modify the standard name;
--- Update normative references (Chapter 2);
--- According to a preferred level thread is divided into. Preferred specifications and dimensions (Table 1) and non-preferred specifications and dimensions (Table 2);
--- Increase the "common specifications length" terms (see Table 1, Table 2, note b);
--- According to GB/T 5278 Dui "le" size regulations, revised "lh" size (Table 1, Table 2);
--- Given the content of the technical conditions (Table 3).
The standard proposed by China Machinery Industry Federation.
This standard by the National Standardization Technical Committee fasteners (SAC/TC85) centralized.
This standard is drafted by. Productivity Promotion Center in the machine.
Participated in the drafting of this standard. Jinan Shida Fastener Co., Ltd., Ningbo Kowloon Fastener Manufacturing Co., Ltd., located in Shandong Meiling Chemical
Preparation Co., Ltd., general industrial machinery parts and components product quality supervision and inspection center, Ningbo machine mechanical parts detection Limited.
This standard replaces the standards previously issued as follows.
--- GB 31-1958, GB 31-1976, GB/T 31.1-1988.
Hexagon head bolts with
1 Scope
This standard specifies the thread size is M6 ~ M48, product grade A and B grade hex head bolts with.
This standard specifies the bolt shank is in GB/T 5782 products made out cotter pin hole.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 90.1 Fasteners acceptance inspection
GB/T 90.2 Fasteners marking and packaging
GB/T 196 common thread basic size
GB/T 197 common thread tolerance
GB/T 1237 marking method fasteners
GB/T 3098.1 Mechanical properties of fasteners Bolts, screws and studs
GB/T 3098.6 Mechanical properties of fasteners stainless steel bolts, screws and studs
GB/T 3103.1 Tolerances for fasteners - Bolts, screws, studs and nuts
GB/T 5267.1 fasteners plating layer
GB/T 5267.2 fasteners non-electrolytic zinc flake coating
GB/T 5278 cotter pin fastener holes and wire holes
GB/T 5779.1 Fasteners - Surface discontinuities - Bolts, screws and studs for general requirements
GB/T 5782 Hexagon head bolts
GB/T 16938 Fasteners Bolts, screws, studs and nuts conditions
3 Dimensions
Type dimensions shown in Figure 1, the preferred specifications and dimensions are shown in Table 1, the non-preferred specifications and dimensions are shown in Table 2; the rest of the pattern size according to GB/T 5782
Provisions.
figure 1
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