HOME   Cart(12)   Quotation   About-Us Policy PDFs Standard-List
www.ChineseStandard.net Database: 189760 (18 Oct 2025)

GB/T 1228-2006 PDF English

US$70.00 · In stock · Download in 9 seconds
GB/T 1228-2006: High strength bolts with large hexagon head for steel structures
Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure
Status: Valid

GB/T 1228: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] deliveryName of Chinese StandardStatus
GB/T 1228-2006English70 Add to Cart 0-9 seconds. Auto-delivery High strength bolts with large hexagon head for steel structures Valid
GB/T 1228-1991English279 Add to Cart 3 days High strength bolts with large hexagon head for steel structures Obsolete

Excerpted PDFs (Download full copy in 9 seconds upon purchase)

PDF Preview: GB/T 1228-2006
      

Similar standards

GB/T 959.1   GB/T 1237   GB/T 954   GB/T 5267.5   

GB/T 1228-2006: High strength bolts with large hexagon head for steel structures

---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT1228-2006
GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 21.060.10 J 13 High Strength Bolts with Large Hexagon Head for Steel Structures [ISO 7412.1984, Hexagon Bolts for High Strength Structural Bolting with Large Width Across Flats (Short Thread Length) – Product Grade C – Property Classes 8.8 and 10.9, NEQ] Issued on: MARCH 27, 2006 Implemented on: NOVEMBER 1, 2006 Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of the People's Republic of China. 3. No action is required - Full-copy of this standard will be automatically & immediately delivered to your EMAIL address in 0~60 minutes.

Table of Contents

Foreword ... 3 1 Application Scope ... 5 2 Normative References ... 5 3 Dimensions... 5 4 Specifications ... 8 5 Designation ... 8

Foreword

This Standard corresponds to ISO 7412.1984, Hexagon Bolts for High-strength Structural Bolting with Large Width Across Flats (Short Thread Length) – Product Grade C – Property Classes 8.8 and 10.9. It is nonequivalent to ISO 7412. This Standard replaces GB/T 1228-1991, High Strength Bolts with Large Hexagon Head for Steel Structures. The major changes of this Standard, compared with GB/T 1228-1991, are as follows. -- the types of double chamfer head bolts and recessed head bolts in GB/T 1228- 1991 are deleted (the “alternative types of head” and “types allowed to be manufactured” shown in Article 3 in GB/T 1228-1991). This Standard is part of the complete national standard series on “connection sets for the friction-type high strength bolts for steel structures”. The series also comprises. -- GB/T 1229-2006, High Strength Large Hexagon Nuts for Steel Structures; -- GB/T 1230-2006, High Strength Plain Washers for Steel Structures; -- GB/T 1231-2006, Specifications of High Strength Bolts with Large Hexagon Head, Large Hexagonal Nuts and Plain Washers for Steel Structures; -- GB/T 3632-1995, Type and Dimension for Sets of Torshear Type High Strength Bolt Hexagon Nut and Plain Washer for Steel Structures; -- GB/T 3633-1995, Technical Requirement for Sets of Torshear Type High Strength Bolt Hexagon Nut and Plain Washer for Steel Structures This Standard was proposed by China Machinery Industry Federation. This Standard shall be under the jurisdiction of the National Standardization Technical Committee on Fasteners. The responsible drafting organization of this Standard. China Academy of Railway Sciences. The contributory drafting organizations of this Standard. China Academy of Machinery Science and Technology, Shanghai High-Strength Bolt Factory, Metallurgical Corporation of China Central Research Institute of Building and Construction Co., Ltd., Daye Steel Factory. The main drafters of this Standard. Cheng Jiqing, Shen Jiahua. The previous editions of the standard replaced by this Standard are as follows. High Strength Bolts with Large Hexagon Head for Steel Structures

1 Application Scope

This Standard specifies the types and dimensions, specifications and designation of high strength bolts with large hexagon head for steel structures and thread sizes M12 ~ M30. This Standard applies to the friction-type high strength bolted connections of railroad and highway bridges, boiler steel structures, industrial factory buildings, high-rise civil buildings, hoisting machinery and other steel structures.

2 Normative References

The provisions in following documents become the provisions of this Standard through reference in this Standard. For dated references, the subsequent amendments (excluding corrigendum) or revisions do not apply to this Standard, however, parties who reach an agreement based on this Standard are encouraged to study if the latest versions of these documents are applicable. For undated references, the latest edition of the referenced document applies. GB/T 2, Fasteners – Ends of Parts with External Thread (GB/T 2-2001, idt ISO 4753.1999) GB/T 1231, Specifications of High Strength Bolts with Large Hexagon Head, Hexagonal Nuts and Plain Washers for Steel Structures GB/T 1237, Designation System for Fasteners (GB/T 1237-2000, eqv ISO 4753.1999) GB/T 5276, Fasteners – Bolts, Screws, Studs and Nuts – Symbols and Descriptions of Dimensions (GB/T 5276-1985, eqv ISO 225.1983)

3 Dimensions

See Figure 1 and Table 1 ~ Table 3 for dimensions. Symbols and descriptions of dimensions are as specified in GB/T 5267. Dimensions and descriptions of thread ends are as specified in GB/T 2. ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.


      

Tips & Frequently Asked Questions

Question 1: How long will the true-PDF of English version of GB/T 1228-2006 be delivered?

Answer: The full copy PDF of English version of GB/T 1228-2006 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.

Question 2: Can I share the purchased PDF of GB/T 1228-2006_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 1228-2006_English will be deemed to be sold to your employer/organization who actually paid for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. www.ChineseStandard.us -- GB/T 1228-2006 -- Click this link and select your country/currency to pay, the exact amount in your currency will be printed on the invoice. Full PDF will also be downloaded/emailed in 9 seconds.

Question 5: Should I purchase the latest version GB/T 1228-2006?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 1228-2006 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

How to buy and download a true PDF of English version of GB/T 1228-2006?

A step-by-step guide to download PDF of GB/T 1228-2006_EnglishStep 1: Visit website https://www.ChineseStandard.net (Pay in USD), or https://www.ChineseStandard.us (Pay in any currencies such as Euro, KRW, JPY, AUD).
Step 2: Search keyword "GB/T 1228-2006".
Step 3: Click "Add to Cart". If multiple PDFs are required, repeat steps 2 and 3 to add up to 12 PDFs to cart.
Step 4: Select payment option (Via payment agents Stripe or PayPal).
Step 5: Customize Tax Invoice -- Fill up your email etc.
Step 6: Click "Checkout".
Step 7: Make payment by credit card, PayPal, Google Pay etc. After the payment is completed and in 9 seconds, you will receive 2 emails attached with the purchased PDFs and PDF-invoice, respectively.
Step 8: Optional -- Go to download PDF.
Step 9: Optional -- Click Open/Download PDF to download PDFs and invoice.
See screenshots for above steps: Steps 1~3    Steps 4~6    Step 7    Step 8    Step 9