QC/T 878-2011Hexalobular socket pan head tapping screws for plastics (English PDF)
塑料用内六角花形盘头自攻螺钉
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
December 20, 2011
Implementation date
July 1, 2012
Scope
QC/T 878-2011 is the English-translated version of 塑料用内六角花形盘头自攻螺钉.
QC/T 878-2011 is a recommended Chinese automotive industry standard for hexalobular socket pan head tapping screws used in plastics. It fixes the type and the dimensions of the screw and the technical conditions it must satisfy.
The screws covered are those in thread specifications NST3 to NST6, driven into a plastic nut seat or a similar part. GB/T 90.1, GB/T 90.2, GB/T 3098.5, GB/T 3103.1, GB/T 6188, QC/T 326, QC/T 625 and QC/T 713 are quoted. Issued on 20 December 2011, it has applied since 1 July 2012.
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Document preview — QC/T 878-2011
National Standard of the People's Republic of China
- ICS
- 43.040
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 2 Normative references
2 Normative references
QC/T 878-2011 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 90.1
GB/T 90.2
GB/T 3098.5
GB/T 3103.1
GB/T 6188
QC/T 326
QC/T 625
QC/T 713
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 90.1Fasteners - Acceptance inspection
- GB/T 90.2Fasteners--Marking and packaging
- GB/T 3098.5Mechanical properties of fasteners - Part 5: Tapping screws
- GB/T 3103.1Tolerances for fasteners -- Bolts, screws, studs and nuts
- GB/T 6188Hexalobular internal driving feature for bolts and screws
- QC/T 326Numbering rules for automotive standardized parts
Similar standards
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Related Standards
GB/T 3098.5-2025 — Mechanical properties of fasteners - Part 5: Tapping screws
GB/T 3103.1-2002 — Tolerances for fasteners -- Bolts, screws, studs and nuts
GB/T 6188-2017 — Hexalobular internal driving feature for bolts and screws
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QC/T 878-2011
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