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GB/T 5284-2017Slotted raised countersunk (oval) head tapping screws (English PDF)

开槽半沉头自攻螺钉

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Issued by

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

Level / Type

National · Recommended

Issue date

July 12, 2017

Implementation date

February 1, 2018

Scope

GB/T 5284-2017 is the English-translated version of 开槽半沉头自攻螺钉.

GB/T 5284-2017 is the Chinese standard "Slotted raised countersunk (oval) head tapping screws". Its scope clause reads: This standard specifies the Slotted semi-countersunk head tapping screws type size, technical conditions and markings.

This standard applies to thread specifications for ST2.2 ~ ST9.5, product level A-level slotted semi-countersunk head self-tapping screws. Its clauses include type size.

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Document preview — GB/T 5284-2017

National Standard of the People's Republic of China

ICS: 21.060.10
Classification: J 13

Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

Foreword
1 Scope
2 Normative references
3 type size

1 Scope

This standard specifies the Slotted semi-countersunk head tapping screws type size, technical conditions and markings.

This standard applies to thread specifications for ST2.2 ~ ST9.5, product level A-level slotted semi-countersunk head self-tapping 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 90.1 fastener inspection (GB/T 90.1-2002, idtISO 3269.2000)

GB/T 90.2 Fastener packaging and labeling

GB/T 1237 fastener marking method (GB/T 1237-2000, eqvISO 8991.1986)

GB/T 3098.5 mechanical properties of fasteners Self-tapping screws (GB/T 3098.5-2016, ISO 2702.2011, MOD)

GB/T 3098.21 Mechanical properties of fasteners Stainless steel self-tapping screws (GB/T 3098.21-2014, ISO 3506-4.2009,

MOD)

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 5279 countersunk head screw head shape and measurement (GB/T 5279-1985, idtISO 7721.1983)

GB/T 5280 self-tapping screws (GB/T 5280-2002, idtISO 1478.1999)

GB/T 16938 General requirements for fasteners bolts, screws, studs and nuts (GB/T 16938-2008, ISO 8992.

2005, IDT)

3 type size

Self-tapping screw type size shown in Figure 1 and Table 1.

Size code and label should be consistent with GB/T 5276. […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 11 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 2702.2011 · ISO 3506 · ISO 4042.1999 · ISO 10683.2000 · ISO 16048.2003 · ISO 225 · ISO 8992

Cited by

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