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GB/T 25672-2021 English PDF

Q: How long will the true-PDF of English version of GB/T 25672-2021 be delivered?

Upon your order, we will start to translate GB/T 25672-2021_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Q: Can I share the purchased PDF of GB/T 25672-2021_English with my colleagues?

Yes. The purchased PDF of GB/T 25672-2021_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

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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

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Q: Should I purchase the latest version GB/T 25672-2021?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 25672-2021 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$339.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 25672-2021: Hammer drill bit and shell hammer drill bit
Status: Valid

GB/T 25672: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 25672-2021	339	Add to Cart	4 days	Hammer drill bit and shell hammer drill bit	Valid
GB/T 25672-2010	559	Add to Cart	3 days	Hammer drills and shell hammer drills	Obsolete

Similar standards

GB/T 33524.2 GB/T 5104 GB/T 972 GB/T 25665 GB/T 25664

Basic data

Standard ID: GB/T 25672-2021 (GB/T25672-2021)
Description (Translated English): Hammer drill bit and shell hammer drill bit
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J41
Word Count Estimation: 18,124
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 25672-2021: Hammer drill bit and shell hammer drill bit

---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.
Hammer drill bit and shell hammer drill bit ICS 25.100.30 CCSJ41 National Standards of People's Republic of China Replace GB/T 25672-2010 Electric hammer drill and sleeve type electric hammer drill Released on 2021-05-21 2021-12-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Foreword

This document is in accordance with GB/T 1.1-2020 "Guidelines for Standardization Part 1.Structure and Drafting Rules of Standardization Documents". To be drafted. This document replaces GB/T 25672-2010 "Electric Hammer Drills and Jacketed Electric Hammer Drills". Compared with GB/T 25672-2010, except for structural adjustments In addition to editorial changes, the main technical changes are as follows. a) Deleted the normative reference document GB/T 3478.1 (see Chapter 2 of the.2010 edition); b) Change GB J107 "Concrete Strength Inspection and Evaluation Standard" to GB/T 50107 "Concrete Strength Inspection and Evaluation Standards (see Chapter 2, Chapter 2 of the.2010 edition); c) Increase the size of the electric hammer drill with a diameter of 52mm (see Table 1); d) In the marking example, the overhang length is deleted, and it is represented by the total length L. The sleeve-type electric hammer drill increases the sleeve-type tool length l1 (see 5.4); e) M-shaped shank (five-slot round shank) is added to the shank type (see 5.3); f) The surface roughness Rz is uniformly changed to Ra, and the surface roughness of the cylindrical part of the connection part of the sleeve type electric hammer drill center positioning drill is increased. Ra3.2μm (see 6.1.2, 6.1.3); g) The test material is changed from "C28" concrete to "C30" concrete (see 6.4.1.3, see 5.4.1.3 of the.2010 edition); h) The test method is changed from "drilling through holes" to "drilling blind holes" (see 6.4.3, see 5.4.3 of the.2010 edition); i) The type and size of M-shaped shank (five-slot round shank) have been added to Appendix A (see A.13). 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. Fangda Holding Co., Ltd., Ningbo Shenzhuan Tools Co., Ltd., Wenling Industrial Co., Ltd. Measuring and Cutting Tools Technology Service Co., Ltd. the company. The main drafters of this document. Zhuo Wei, Wu Aluo, Lian Zhidan, Wu Jianbo. This document was first published in.2010, and this is the first revision. Electric hammer drill and sleeve type electric hammer drill

1 Scope

This document specifies the type and size, appearance and surface roughness, position tolerance, material and hardness, performance of electric hammer drill and sleeve electric hammer drill Basic requirements for testing, marking and packaging. This document is applicable to electric hammer drills with a diameter ranging from 5mm to 52mm for drilling holes in concrete, bricks and other materials without metal inclusions. And a sleeve type electric hammer drill with a diameter of 25mm~150mm for drilling holes in bricks, blocks, lightweight walls and other materials.

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 18376.2 Cemented Carbide Grades Part 2.Cemented Carbide Grades for Geology and Mining Tools GB/T 50107 Concrete Strength Inspection and Evaluation Standard

3 Terms and definitions

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

4 symbols

The following symbols apply to this document. d---The diameter of the electric hammer drill or sleeve type electric hammer drill; d1---The diameter of the shank positioning circle of the electric hammer drill; l ---The overhang length of the electric hammer drill; l1---The length of the sleeve type electric hammer drill sleeve knife; l2---The overhang length of the sleeve type electric hammer drill; L---Total length of electric hammer drill or sleeve type electric hammer drill.

5 Type and size

5.1 The type and size of the electric hammer drill are in accordance with Figure 1 and Table 1. ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 25672-2021_English be delivered?

Answer: Upon your order, we will start to translate GB/T 25672-2021_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 25672-2021_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 25672-2021_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 25672-2021?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 25672-2021 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.