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GB/T 27-2013 English PDF

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GB/T 27-2013: Hexagon fit shank bolts
Status: Valid

GB/T 27: Historical versions

Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 27-2013229 Add to Cart 3 days Hexagon fit shank bolts Valid
GB/T 27-1988199 Add to Cart 2 days Hexagon fit bolts--Product grade A and B Obsolete

Similar standards

GB/T 8   GB/T 32.1   GB/T 32.3   GBZ 27   GB/T 28   

Basic data

Standard ID: GB/T 27-2013 (GB/T27-2013)
Description (Translated English): Hexagon fit shank bolts
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J13
Classification of International Standard: 21.060.10
Word Count Estimation: 10,149
Older Standard (superseded by this standard): GB/T 27-1988
Quoted Standard: GB/T 90.1; GB/T 90.2; GB/T 196; GB/T 197; GB/T 1237; GB/T 3098.1; GB/T 3103.1; GB/T 5276; GB/T 5779.1; 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 hex head bolts reinforcing bars.

GB/T 27-2013: Hexagon fit shank bolts

---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 fit shank bolts ICS 21.060.10 J13 National Standards of People's Republic of China Replacing GB/T 27-1988 Hex head bolt reinforcing bars 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

This 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 28-2013 hex-head screw bolt hole reinforcing bars; --- GB/T 29.1-2013 hexagonal head bolts groove; --- GB/T 29.2-2013 hexagonal head cross recessed bolt; --- GB/T 31.1-2013 hexagon head bolts with; --- 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 27-1988 "Hex head articulation hole bolt A and B grade." This standard compared with GB/T 27-1988 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 and Table 2. Note b); --- Increase general technical conditions (see Table 5). 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. Ningbo Kowloon Fastener Manufacturing Co., Ltd., general industrial machinery parts and components product quality supervision and inspection center. This standard replaces the standards previously issued as follows. --- GB 27-1958, GB 27-1976, GB/T 27-1988. Hex head bolt reinforcing bars

1 Scope

This standard specifies the thread size is M6 ~ M48, product grade A and B grade hex head bolts reinforcing rods.

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 3103.1 Tolerances for fasteners - Bolts, screws, studs and nuts GB/T 5276 Fasteners Bolts, screws, studs and nuts - Symbols and designations size GB/T 5779.1 Fasteners - Surface discontinuities - Bolts, screws and studs for general requirements 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. Size code labeling and methods in line with GB/T 5276. Note. non-threaded portion of the rod diameter (ds) the end of the 45 ° chamfer according to the requirements of the manufacturing process, allowing greater than 45 ° is made, less than 1.5P (Coarse pitch) of the neck. figure 1
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