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GB/T 20333-2023 English PDF

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Q: Should I purchase the latest version GB/T 20333-2023?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 20333-2023 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$244.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 20333-2023: Taps for parallel and taper pipe threads general dimensions and marking
Status: Valid

GB/T 20333: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 20333-2023	244	Add to Cart	3 days	Taps for parallel and taper pipe threads general dimensions and marking	Valid
GB/T 20333-2006	319	Add to Cart	3 days	Taps for parallel and taper pipe threads -- General dimensions and marking	Obsolete

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Basic data

Standard ID: GB/T 20333-2023 (GB/T20333-2023)
Description (Translated English): Taps for parallel and taper pipe threads general dimensions and marking
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J41
Classification of International Standard: 25.100.50
Word Count Estimation: 12,115
Date of Issue: 2023-05-23
Date of Implementation: 2023-12-01
Older Standard (superseded by this standard): GB/T 20333-2006
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 20333-2023: Taps for parallel and taper pipe threads general dimensions and marking

---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.
ICS 25:100:50 CCSJ41 National Standards of People's Republic of China Replacing GB/T 20333-2006 Basic Dimensions and Designations of Taps for Cylindrical and Conical Pipe Threads Released on 2023-05-23 2023-12-01 implementation State Administration for Market Regulation Released 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 for Standardization Documents" drafting: This document replaces GB/T 20333-2006 "Basic Dimensions and Signs of Taps for Cylindrical and Conical Pipe Threads", and GB/T 20333- Compared with:2006, except for structural adjustment and editorial changes, the main technical changes are as follows: --- Added a description of the ISO symbol for the logo (see Chapter 5): This document is equivalent to ISO 2284:2017 "Basic dimensions and signs of hand taps for cylindrical and conical pipe threads": The following minimal editorial changes have been made to this document: --- Added Appendix NA (informative): This document is proposed by China Machinery Industry Federation: This document is under the jurisdiction of the National Cutting Tool Standardization Technical Committee (SAC/TC91): This document is drafted by: Yangzhou Jiangyu Cutting Tool Co:, Ltd:, Chengdu Xincheng Measuring Tools Co:, Ltd:, Shanghai Cutting Tool Factory Co:, Ltd:, Taizhou Shao Shi Tools Co:, Ltd:, Heye Technology Co:, Ltd:, Jiangsu Sirite Tools Co:, Ltd:, and Yangzhou Xinjiangzheng Tools Co:, Ltd: The main drafters of this document: Dong Xiangyang, Zhao Quan, Xu Yingen, Shao Jinkui, Liang Jingbin, Ni Yahui, Ni Dongsheng, Yang Yan: This document was first published in:2006, and this is the first revision: Basic Dimensions and Designations of Taps for Cylindrical and Conical Pipe Threads

1 Scope

This document specifies the basic dimensions and markings for taps for cylindrical and conical pipe threads: This document applies to the following two types of taps: ---Cylindrical pipe thread taps (see Figure 1 and Table 1); --- Conical pipe thread taps (see Figure 2 and Table 2): The threads referred to above comply with ISO 7-1 and ISO 228-1: Appendix A gives the calculation method of the dimensions of each part, and Appendix B gives the correspondence between this document and the ISO 13399 series of document symbols:

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document: Note: GB/T 4267-2004 The diameter of the shank of straight shank rotary tools and the size of the transmission square head (ISO 237:1975, IDT) Note: GB/T 20334-2006 G series and Rp series pipe thread grinding tap thread size tolerance (ISO 5969:1979, IDT)

3 Terms and Definitions

This document does not have terms and definitions that need to be defined:

4 basic dimensions

The basic dimensions of each part of the tap are in Table 1 and Table 2: The dimensions of the shank of the tap and its square head shall be in accordance with ISO 237, with the following tolerances: --- Tolerance of dimension d1: ● The precision shank tolerance is h9; ● Other shank tolerances are h11: --- Tolerance of square head dimension a: ● h11; ● h12 (including shape and position error relative to the handle):

5 signs

Taps manufactured in accordance with this document and the requirements of ISO 5969 shall be marked on the shank as follows: ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 20333-2023_English be delivered?

Answer: Upon your order, we will start to translate GB/T 20333-2023_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 20333-2023_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 20333-2023_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 20333-2023?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 20333-2023 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.