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GB/T 2671.1-2017: Hexalobular socket cheese (short) head screws
Status: Valid GB/T 2671.1: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 2671.1-2017 | English | 119 |
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Hexalobular socket cheese (short) head screws
| Valid |
GB/T 2671.1-2017
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| GB/T 2671.1-2004 | English | 239 |
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Hexalobular socket cheese (short) head screws
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GB/T 2671.1-2004
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PDF similar to GB/T 2671.1-2017
Basic data | Standard ID | GB/T 2671.1-2017 (GB/T2671.1-2017) | | Description (Translated English) | Hexalobular socket cheese (short) head screws | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J13 | | Classification of International Standard | 21.060.10 | | Word Count Estimation | 6,692 | | Date of Issue | 2017-07-12 | | Date of Implementation | 2018-02-01 | | Older Standard (superseded by this standard) | GB/T 2671.1-2004 | | Quoted Standard | GB/T 2; GB/T 65; GB/T 90.1; GB/T 90.2; GB/T 193; GB/T 1237; GB/T 3098.1; GB/T 3098.6; GB/T 3098.10;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 6188; GB/T 9145; GB/T 16938 | | Adopted Standard | ISO 14580-2011, 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 type, technical condition and marking of the hexagonal hexagonal low head screws. This standard is applicable to hexagonal hexagonal horns with a thread size of M2 to M10, performance classes of 4.8, 5.8, A2-50, A2-70, A3-50, A3-70, CU2 and CU3, grade A Screw. | GB/T 2671.1-2017: Hexalobular socket cheese (short) head 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 cheese (short) head screws
ICS 21.060.10
J13
National Standards of People's Republic of China
Replacing GB/T 2671.1-2004
Hexagonal flower-shaped low-head screw
(ISO 14580.2011, Hexalobularsocketcheeseheadscrews, 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 1.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This section instead of GB/T 2671.1-2004 "hexagonal flower-shaped low-head screw", compared with GB/T 2671.1-2004, 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);
--- Increase "d hexagonal flower-shaped acceptance inspection see GB/T 6188" (see Table 1);
--- 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 14580.2011 "hexagonal flower-shaped cylindrical head screws."
Technical differences from ISO 14580.2011 and the reasons for this are as follows.
--- ISO 14580 standard name without "low" word, as different from the GB/T 2671.2 "hexagonal flower-shaped cylindrical head screw", this section
The word "low" has been added to the name.
--- Deleted ISO 14580 "For other technical requirements, ISO 4759-1 choice." (See Chapter 1), does not belong to the standard
Quasi-prescribed content;
--- In normative references, replace the international standard with our country standard (see Chapter 2), increase the reference GB/T 2 (see Figure 1),
GB/T 90.2 (see Table 2), GB/T 1237 (see 5.1) and GB/T 5267.4 (see Table 2) to meet the basis of China's fasteners
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 participated in the drafting unit. Jinan Shida Fastener Co., Ltd., General Machinery Industry General Products Quality Supervision and Testing Center.
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 6190-1986;
--- GB/T 2671.1-2004.
Hexagonal flower-shaped low-head screw
1 Scope
GB/T 2671 provisions of this part of the hexagonal flower-shaped low-head screw type size, technical conditions and markings.
This section applies to the thread size M2 ~ M10, performance classes 4.8,5.8, A2-50, A2-70, A3-50, A3-70, CU2 and
CU3, product grade A-level hexagonal flower-shaped low-head screw.
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 fasteners threaded parts of the end (GB/T 2-2016, idtISO 4753.2011, MOD)
GB/T 65 Slotted Cylindrical Head Screws (GB/T 65-2016, ISO 1207.2011, 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 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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