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GB/T 2671.2-2017 English PDF

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Q: Should I purchase the latest version GB/T 2671.2-2017?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 2671.2-2017 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$179.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 2671.2-2017: Hexalobular socket head cap screws
Status: Valid

GB/T 2671.2: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 2671.2-2017	179	Add to Cart	3 days	Hexalobular socket head cap screws	Valid
GB/T 2671.2-2004	359	Add to Cart	3 days	Hexalobular socket head cap screws	Obsolete

Similar standards

GB/T 2673.2 GB/T 2670.2 GB/T 2672 GB/T 2673.1 GB/T 2671.1

Basic data

Standard ID: GB/T 2671.2-2017 (GB/T2671.2-2017)
Description (Translated English): Hexalobular socket head cap screws
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J13
Classification of International Standard: 21.060.10
Word Count Estimation: 9,943
Date of Issue: 2017-07-12
Date of Implementation: 2018-02-01
Older Standard (superseded by this standard): GB/T 2671.2-2004
Quoted Standard: GB/T 2; GB/T 90.1; GB/T 90.2; GB/T 193; GB/T 1237; GB/T 3098.1; GB/T 3098.6; GB/T 3098.10; GB/T 3103.1; GB/T 5267.1; GB/T 5267.2; GB/T 5267.4; GB/T 5276; GB/T 5779.1; GB/T 5779.3; GB/T 6188; GB/T 9145; GB/T 16938
Adopted Standard: ISO 14579-2011, MOD
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the size, technical conditions and marking of hexagonal hexagonal head screws. This standard applies to the screw size of M2 ~ M20, the performance level of 8.8,9.8,10.9,12.9 / 12.9, A2-70, A3-70, A4-70, A5-70, CU2 and CU3, product grade A Hexagon socket head cap screws.

GB/T 2671.2-2017: Hexalobular socket head cap screws

---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.
Hexalobular socket head cap screws ICS 21.060.10 J13 National Standards of People's Republic of China Replacing GB/T 2671.2-2004 Hexagonal flower-shaped cylindrical head screws (ISO 14579.2011, MOD) 2017-07-12 Posted 2018-02-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

This section is one of the national standards of "Hexagon Flower-shaped Screws" series. This series includes. --- GB/T 2671.1 hexagonal flower-shaped low-head screw; --- GB/T 2671.2 hexagonal flower-shaped cylindrical head screws; --- GB/T 2672 hexagonal fan-shaped pan head screws; --- GB/T 2673 hexagonal flower-shaped countersunk head screws; --- GB/T 2674 hexagonal flower-shaped countersunk head screw. This section GB/T 2671 Part 2. This section drafted in accordance with GB/T 1.1-2009 given rules. This section instead of GB/T 2671.2-2004 "hexagonal flower-shaped cylindrical head screw", and GB/T 2671.2-2004 compared to the main technology The changes are as follows. --- Delete "For other technical requirements, GB/T 3098.6 and GB/T 3103.1)" (see.2004 edition Chapter 1); --- Reference thread standard uniform GB/T 193, GB/T 9145 (see Chapter 2); --- Increase "e hexagonal flower-shaped acceptance inspection see GB/T 6188" (see Table 1); --- On the steel screws, remove the surface oxidation, increase untreated (see Table 2); --- On stainless steel screws, increase passivation technology requirements according to GB/T 5267.4 (see Table 2). This section uses the redrafted law to amend the use of ISO 14579.2011 "hexagonal socket head cap screws." Technical differences from ISO 14579.2011 and the reasons for this are as follows. --- Deletion ISO 14579 provides that "for other technical requirements, ISO 4759-1 choice." (See Chapter 1), does not belong to the standard Quasi-prescribed content; --- Normative references, replace the international standard with our country standard (see Chapter 2), increase the reference GB/T 90.2 (see Table 2), GB/T 1237 (see 5.1) and GB/T 5267.4 (see Table 2), delete the reference to ISO 965-3 to meet China's fastener base Basic standard --- Increase steel and non-ferrous metal screw performance level "d < 3mm. According to the agreement" (see Table 2), a clear specification of small-size product performance level Regulations --- Specified non-ferrous metal screw performance rating (see Table 2), in line with China's basic standards fasteners; --- On stainless steel screws, increase passivation technology requirements according to GB/T 5267.4 (see Table 2), to expand the use of products; --- Increase packaging technology requirements (see Table 2), in line with China's basic standards fasteners; --- Modify the mark example To simplify the mark example (see 5.2), to comply with the provisions of GB/T 1237. This part is proposed by China Machinery Industry Federation. This part of the National Standardization Technical Committee fasteners (SAC/TC85) centralized. This section is responsible for the drafting unit. Machine Productivity Promotion Center. This section to participate in the drafting unit. Shanghai Dongfeng Automotive Parts Co., Ltd.. This part of the National Standardization Technical Committee fasteners responsible for the interpretation. This part replaces the standards previously issued as. --- GB/T 2671-1981; --- GB/T 6191-1986; --- GB/T 2671.2-2004. Hexagonal flower-shaped cylindrical head screws

1 Scope

This section GB/T 2671 specifies the hexagonal flower-shaped cylinder head screw type size, technical conditions and markings. This section applies to thread specifications for the M2 ~ M20, performance levels of 8.8,9.8,10.9,12.9/12.9, A2-70, A3-70, A4-70, A5-70, CU2 and CU3, Class A hexagonal socket head cap screws.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 2 Fastener threaded parts of the end (GB/T 2-2016, ISO 4753.2011, MOD) GB/T 90.1 fastener inspection (GB/T 90.1-2002, idtISO 3269.2000) GB/T 90.2 Fasteners signs and packaging GB/T 193 ordinary thread diameter and pitch series (GB/T 193-2003, ISO 261.1998, MOD) GB/T 1237 fastener marking method (GB/T 1237-2000, eqvISO 8991.1986) GB/T 3098.1 Fasteners mechanical properties of bolts, screws and studs (GB/T 3098.1-2010, ISO 898-1.2009, MOD) GB/T 3098.6 mechanical properties of fasteners stainless steel bolts, screws and studs (GB/T 3098.6-2014, ISO 3506-1. 2009, MOD) GB/T 3098.10 mechanical properties of fasteners non-ferrous metal bolts, screws, studs and nuts (GB/T 3098.10- 1993, eqvISO 8839.1986) GB/T 3103.1 Fasteners Tolerances Bolts, screws, studs and nuts (GB/T 3103.1-2002, idtISO 4759-1.2000) GB/T 5267.1 fastener plating (GB/T 5267.1-2002, ISO 4042.1999, IDT) GB/T 5267.2 fasteners non-electrolytic zinc coating (GB/T 5267.2-2002, ISO 10683.2000, IDT) GB/T 5267.4 Fastener surface treatment corrosion-resistant stainless steel passivation treatment (GB/T 5267.4-2009, ISO 16048.2003, IDT) GB/T 5276 Fasteners - Bolts, screws, studs and nuts Dimensions Code and Notations (GB/T 5276-2015, ISO 225. 2010, MOD) GB/T 5779.1 Fasteners surface defects bolts, screws and studs General requirements (GB/T 5779.1-2000, idt ISO 6157-1.1988) GB/T 5779.3 Fasteners surface defects bolts, screws and studs special requirements (GB/T 5779.3-2000, idt ISO 6157-3.1988) GB/T 6188 Bolts and screws with hexagonal flowers (GB/T 6188-2000, idtISO 10664.1999) GB/T 9145 ordinary thread medium precision, the preferred series of the ultimate size (GB/T 9145-2003, ISO 965-2.1998, MOD) GB/T 16938 General requirements for fasteners bolts, screws, studs and nuts (GB/T 16938-2008, ISO 8992. 2005, IDT) ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 2671.2-2017_English be delivered?

Answer: Upon your order, we will start to translate GB/T 2671.2-2017_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 2671.2-2017_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 2671.2-2017_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 2671.2-2017?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 2671.2-2017 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.