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GB/T 28-2013: Hexagon fit shank bolts with split pin hole on shank
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Std ID	Version	USD	Buy	Deliver [PDF] in	Title (Description)
GB/T 28-2013	English	209	Add to Cart	3 days [Need to translate]	Hexagon fit shank bolts with split pin hole on shank
GB/T 28-1988	English	199	Add to Cart	2 days [Need to translate]	Hexagon fit bolts with Split pin hole on shank--Product grade A and B

GB/T 28-2013: Hexagon fit shank 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 fit shank bolts with split pin hole on shank ICS 21.060.10 J13 National Standards of People's Republic of China Replacing GB/T 28-1988 Hex head screw bolt hole reinforcing rods 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 27-2013 hex head bolt reinforcing rods; --- 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 28-1988 "hex head screw hole articulation hole bolt A and B grade." This standard compared with GB/T 28-1988 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 length specification range" term (see Table 2 and Table 4 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 machinery industry product quality supervision and inspection of parts Heart, Ningbo machine mechanical parts detection Limited. This standard replaces the standards previously issued as follows. --- GB 28-1958, GB 28-1976, GB/T 28-1988. Hex head screw bolt hole reinforcing rods

1 Scope

This standard specifies the thread size is M6 ~ M48, product grade A and B grade hex head screw bolt hole reinforcing bars. This standard specifies the bolt shank is made GB/T 27 products a 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 27 hex head bolts reinforcing rods 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 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. The remaining type size Press GB/T 27 provisions. figure 1 ...