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GB/T 20326-2021 English PDF

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Q: Should I purchase the latest version GB/T 20326-2021?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 20326-2021 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.

US$199.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 20326-2021: Long full-diameter shank taps with recess
Status: Valid

GB/T 20326: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 20326-2021	199	Add to Cart	3 days	Long full-diameter shank taps with recess	Valid
GB/T 20326-2006	279	Add to Cart	3 days	Long full-diameter shank taps with recess	Obsolete

Similar standards

GB/T 33524.2 GB/T 5104 GB/T 972 GB/T 20333 GB/T 20328

Basic data

Standard ID: GB/T 20326-2021 (GB/T20326-2021)
Description (Translated English): Long full-diameter shank taps with recess
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J41
Word Count Estimation: 10,172
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 20326-2021: Long full-diameter shank taps with recess

---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.
Long full-diameter shank taps with recess ICS 25.100.50 CCSJ41 National Standards of People's Republic of China Replace GB/T 20326-2006 Machine taps for thick and long shank (ISO 8051.2016, LongshanktapswithnominaldiametersfromM3to Released on 2021-08-20 2022-03-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. This document replaces GB/T 20326-2006 "Tap for Thick Long Shank Machines". Compared with GB/T 20326-2006, the main technical changes as follows. a) In the normative references, ISO 529.1993 is deleted, GB/T 968 is added, and ISO 8830.1991 is replaced by GB/T 969 Substitute (see Chapter 2, Chapter 2 of the.2006 edition); b) The relevant dimensional tolerances in Table 1 are included in the technical requirements of Chapter 5 (see Chapter 5, Table 1 of the.2006 edition); c) The nominal cutting angle of the tap has been added (see 4.2); d) Added tap mark (see 4.3); e) Added technical requirements (see Chapter 5); f) Increased thread tolerance (see Chapter 6); g) The contents of the logo and packaging have been changed (see Chapter 7, Appendix A of the.2006 edition); h) The content of Appendix A "Marks" is adjusted to Chapter 7 of the standard text, and Appendix A "The name in this document is in line with ISO 13399 "The relationship between" (see Chapter 7, Appendix A, Appendix A of the.2006 edition). This document uses the redrafting method to modify the ISO 8051.2016 ``Long shank machine tap with a nominal diameter of M3 to M10, thick shank Neck taps. Compared with ISO 8051.2016, this document has made the following structural adjustments. ---4.1 corresponds to Chapter 3 of ISO 8051.2016; ---Chapter 5 technical requirements have been added; ---Added Chapter 6 thread tolerance; --- Chapter 7 corresponds to Chapter 4 of ISO 8051.2016, and the content has been changed. The technical differences between this document and ISO 8051.2016 and the reasons are as follows. ---Regarding normative reference documents, this document has made adjustments with technical differences to adapt to my country's technical conditions and adjustments. The situation is collectively reflected in Chapter 2 "Normative Reference Documents", and the specific adjustments are as follows. ● Deleted ISO 529.1993; ● Added reference to GB/T 968; ● Replace ISO 8830.1991 (see Chapter 5) with GB/T 969, which is modified to adopt international standards. ---The relevant dimensional tolerances in Table 1 are included in the technical requirements of Chapter 5; ---Increase the nominal cutting angle of the tap, and standardize the geometric angle; ---Added the mark, standard mark; ---Added technical requirements and specification requirements; ---Increase the thread tolerance and standardize the thread accuracy; ---Change the content of the logo and packaging, and standardize the logo and packaging. This document has also made the following editorial changes. ---Change the standard name to "Tap for Thick Long Shank Machine". Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents. This document was proposed by China Machinery Industry Federation. This document is under the jurisdiction of the National Tool Standardization Technical Committee (SAC/TC91). Drafting organizations of this document. Yangzhou Jiangyu Cutting Tools Co., Ltd., Jiangsu Sirite Tools Co., Ltd., Chengdu Tool Research Institute Co., Ltd., Shanghai Tool Factory Co., Ltd., Nanchang Hangkong University, Yangzhou Xinjiangzheng Tools Co., Ltd. The main drafters of this document. Dong Xiangyang, Ni Yahui, Zha Guobing, Shen Shichang, Hu Jianfeng, Gong Tingkai, Ni Dongsheng, Yang Yan. This document was first published in.2006, and this is the first revision. Machine taps for thick and long shank

1 Scope

This document specifies the basic requirements for the type and size, technical requirements, thread tolerances, markings and packaging of the thick and long shank machine taps. This document is applicable to thick and long-handled machine taps with a nominal diameter of M3 to M10.

2 Normative references

The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to This document. GB/T 968 tap thread tolerance (GB/T 968-2007, ISO 2857.1973, MOD) GB/T 969 Technical Requirements for Taps (GB/T 969-2007, ISO 8830.1991, MOD)

3 Terms and definitions

There are no terms and definitions that need to be defined in this document.

4 Type and size

4.1 The type and size of the thick long shank machine taps are in accordance with Figure 1 and Table 1.For the correspondence between names and symbols and ISO 13399, see Appendix A. Figure 1 Taps for thick and long shank machine ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 20326-2021_English be delivered?

Answer: Upon your order, we will start to translate GB/T 20326-2021_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 20326-2021_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 20326-2021_English will be deemed to be sold to your employer/organization who actually pays 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. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 20326-2021?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 20326-2021 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.