GB/T 32.1-2020 PDF EnglishUS$110.00 · In stock · Download in 9 seconds
GB/T 32.1-2020: Hexagon bolts with wire holes on head 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 32.1: Historical versions
GB/T 32.1-2020: Hexagon bolts with wire holes on head---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/GBT32.1-2020GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 21.060.10 J 13 Replacing GB/T 32.1-1988 Hexagon bolts with wire holes on head ISSUED ON: NOVEMBER 19, 2020 IMPLEMENTED ON: JUNE 01, 2021 Issued by: State Administration for Market Regulation; Standardization Administration of the People’s Republic of China. Table of ContentsForeword ... 3 1 Scope ... 5 2 Normative references ... 5 3 Types and dimensions ... 6 4 Technical conditions and reference standards ... 7 5 Designation ... 8ForewordGB/T 32, “Hexagon bolts with wire holes on head”, is divided into 3 parts: -- GB/T 32.1, Hexagon bolts with wire holes on head; -- 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. This Part is Part 1 of GB/T 32. This Part was drafted in accordance with the rules given in GB/T 1.1-2009. This Part replaces GB/T 32.1-1988, “Hexagon bolts with wire holes on head - Product grade A and B”. Compared with GB/T 32.1-1988, the major technical changes are as follows: -- Divide the types and dimensions into two tables according to the preferred specifications and the non-preferred specifications (see Table 1 and Table 2; Table 1 of version 1988); -- Delete the property grade 9.8 (see Chapter 4 of version 1988); -- Add a table of technical conditions and reference standards (see Table 3). This Part was proposed by China Machinery Industry Federation. This Part shall be under the jurisdiction of National Technical Committee 85 on Fasteners of Standardization Administration of China (SAC/TC 85). The drafting organizations of this Part: Zhoushan Zhengyuan Standard Parts Co., Ltd., China Productivity Center for Machinery, Ningbo Jiulong Fasteners Manufacture Co., Ltd., Shandong Gaoqiang Fastener Co., Ltd., Shanghai Biao Wu (Pmc) High Tensile Fasteners Co., Ltd., Qifeng Precision Industry Sci-tech Corp., Jinan Star Fastener Co., Ltd., Shandong Meiling Chemical Equipment Co., Ltd. This Part shall be under the interpretation of the National Technical Committee 85 on Fasteners of Standardization Administration of China. The previous versions of the standard which are replaced by this Part are: -- GB 32-1958, GB 32-1976; -- GB 25-1976; Hexagon bolts with wire holes on head1 ScopeThis part of GB/T 32 specifies the types and dimensions, technical conditions and reference standards, and designation of hexagon bolts with wire holes on head. This part is applicable to hexagon bolts with wire holes on head, of thread specifications of M6 ~ M48, property grades of 5.6, 8.8, 10.9, A2-70, A4-70, A2- 50, A4-50, CU2, CU3 and AL4, and product grades of A and B. The bolts which are specified in this Part are made with wire holes in the head of the products that comply with GB/T 5782.2 Normative referencesThe following documents are indispensable for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest edition (including all amendments) applies to this document. GB/T 90.1, Fasteners - Acceptance inspection GB/T 90.2, Fasteners - Marking and packaging GB/T 193, General purpose metric screw threads - General plan GB/T 1237, Designation system for 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 3098.10, Mechanical properties of fasteners - Bolts, screws, studs and nuts made of non-ferrous metals GB/T 3103.1, Tolerances for fasteners - Bolts, screws, studs and nuts GB/T 5267.1, Fasteners - Electroplated coatings GB/T 5267.2, Fasteners - Non-electrolytically applied zinc flake coatings GB/T 5267.4, Passivation of corrosion-resistant stainless-steel fasteners GB/T 5276, Fasteners - Bolts, screws, studs and nuts - Symbols and descriptions of dimensions GB/T 5278, Fasteners - Split pin 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 9145, General purpose metric screw threads - Limits of sizes for the screw threads of medium quality and preferable plan GB/T 16938, Fasteners - General requirements for bolts, screws, studs and nuts3 Types and dimensionsThe types of bolts are 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 types and dimensions are in accordance with GB/T 5782. Symbols and descriptions of dimensions shall comply with GB/T 5276. Figure 1 - Hexagon bolts with wire holes on head ......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 32.1-2020 be delivered?Answer: The full copy PDF of English version of GB/T 32.1-2020 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 32.1-2020_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 32.1-2020_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. 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