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GB/T 17112-2022 English PDF

Q: How long will the true-PDF of English version of GB/T 17112-2022 be delivered?

Upon your order, we will start to translate GB/T 17112-2022_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.

Q: Can I share the purchased PDF of GB/T 17112-2022_English with my colleagues?

Yes. The purchased PDF of GB/T 17112-2022_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Q: Does the price include tax/VAT?

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). Avoidance of Double Taxation Agreements (DTAs) between Singapore and 100+ Countries: https://www.iras.gov.sg/taxes/international-tax

Q: Do you accept my currency other than USD?

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.

Q: Should I purchase the latest version GB/T 17112-2022?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 17112-2022 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$169.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 17112-2022: Spot drills
Status: Valid

GB/T 17112: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 17112-2022	169	Add to Cart	3 days	Spot drills	Valid
GB/T 17112-1997	199	Add to Cart	3 days	Spot drills	Obsolete

Similar standards

GB/T 33524.2 GB/T 972 GB/T 5104 GB/Z 29014.100 GB/T 17111

Basic data

Standard ID: GB/T 17112-2022 (GB/T17112-2022)
Description (Translated English): Spot drills
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J41
Word Count Estimation: 8,849
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 17112-2022: Spot drills

---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.
Spot drills ICS 25.100.30 CCSJ41 National Standards of People's Republic of China Replacing GB/T 17112-1997 center drill Spotdrils (ISO 10898.2016, MOD) Published on 2022-07-11 2023-02-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration

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" drafted. This document replaces GB/T 17112-1997 "Centering Drill". Compared with GB/T 17112-1997, the main technical changes are as follows. --- Added materials in the technical requirements (see Chapter 5); --- Increased the normal circular runout of the cutting edge (see Chapter 5); --- The marking of materials has been added to the marking (see Chapter 6); --- Increase Chapter 7 "Marking and Packaging" (see Chapter 7). The revision of this document adopts ISO 10898.2016 "Center Drill". This document has the following structural adjustments compared to ISO 10898.2016. --- Added Chapter 3 Terms and Definitions; --- Added Chapter 7 signs and packaging. The technical differences between this document and ISO 10898.2016 and their reasons are as follows. --- In Table 2, "the maximum runout of the groove to the shank" is changed to "the radial runout of the outer circle of the working part to the axis of the shank" and "cutting edge" Normal circular runout to the axis of the handle", which is in line with the actual domestic situation; ---In the technical requirements, the requirements for materials and heat treatment are added to facilitate the use of this document; ---In the marking, the marking order of each element has been changed, and the marking of materials has been added; --- Added "sign and packaging" to facilitate the use of this document. Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by China Machinery Industry Federation. This document is under the jurisdiction of the National Tool Standardization Technical Committee (SAC/TC91). This document is drafted by. Sichuan Tianhu Tools Co., Ltd., Chengdu Tool Research Institute Co., Ltd., Shanghai Tool Factory Co., Ltd., Chengdu Lihang Technology Co., Ltd. The main drafters of this document. Liu Qianlun, Yang Fan, Shen Shichang, Hu Jianfeng, Tang Zhouyuan, Chen Li, Liu Wenju, Wan Hu. This document was first published in.1997 and this is the first revision. center drill

1 Scope

This document specifies the dimensions and technical requirements for high-speed steel and carbide pilot drills with apex angles of 90° and 120°. This document applies to the manufacture of center drills. See Appendix A for the relationship between this document and ISO 13399 (all parts) notations.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. GB/T 1800.2-2020 Product Geometric Specifications (GPS) Linear Dimensional Tolerance ISO Code System Part 2.Standard Tolerance zone code and limit deviation table of holes and shafts (ISO 286-2.2010, MOD) GB/T 2075 Classification and use of hard cutting materials for machining 2007, ISO 513.2004, IDT)

3 Terms and Definitions

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

4 Types and Dimensions

The type of center drill is shown in Figure 1, and the size is shown in Table 1.Spot drills without land and back taper. Index number description. d---diameter; L---total length; l ---Slot length. Figure 1 Center drill ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 17112-2022_English be delivered?

Answer: Upon your order, we will start to translate GB/T 17112-2022_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 17112-2022_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 17112-2022_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 17112-2022?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 17112-2022 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.