QC/T 1255-2025 Pending Industry standards-Car

QC/T 1255-2025 Square nut for automobile

Publish Date: 2025-12-29 Implement Date: 2026-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: QC/T 1255-2025

Standard Type: Industry standards

Standard Status: Pending

is_force_gb: no

CCS Name: Lubrication parts, sealing parts, and connecting parts

ICS Name: Road vehicle equipment

Publish Date: 2025-12-29

Implement Date: 2026-07-01

Publisher: 中华人民共和国工业和信息化部

Technical Committee: 全国汽车标准化技术委员会(SAC/TC 114)

Pages: 12 pages

Scope

本文件规定了汽车用方螺母的型式与尺寸、技术条件和产品编号。
本文件适用于螺纹公称直径D=5 mm~12 mm、机械性能等级为8级、10级，产品等级为A级的汽车用方螺母。

Development Information

Drafting Units:

北京汽车研究总院有限公司、一汽解放汽车有限公司、中国第一汽车股份有限公司、四川航天世源科技有限公司重庆分公司、东风汽车集团股份有限公司、点山科技(苏州)有限公司、安徽江淮汽车集团股份有限公司

Drafting Persons:

栾俭新、潘强、孙超、杨朝阳、罗洪、李万江、张中军、黄慧丽

Word Count: 8 Thousand words Pages: 12 pages

Referenced Standards

GB/T 90.1-2002 Fasteners—Acceptance inspection GB/T 90.1-2023 Fasteners—Acceptance inspection GB/T 90.2-2002 Fasteners—Marking and packaging GB/T 196-2003 General purpose metric screw threads—Basic dimensions GB/T 196-2025 General purpose metric screw threads—Basic dimensions GB/T 197-2003 General purpose metric screw threads—Tolerances GB/T 197-2018 General purpose metric screw threads—Tolerances GB/T 3098.2-2000 Mechanical properties of fasteners—Nuts—Coarse thread GB/T 3098.2-2015 Mechanical properties of fasteners—Nuts GB/T 3098.2-2025 Mechanical properties of fasteners—Part 2:Nuts GB/T 3103.1-2002 Tolerances for fasteners—Bolts, screws, studs and nuts GB/T 5276-2015 Fasteners—Bolts,screws,studs and nuts—Symbols and descriptions of dimensions GB/T 5779.2-2000 Fasteners—Surface discontinuities—Nuts GB/T 30512-2014 Requirements for prohibited substances on automobiles QC/T 326-2013 Car standard parts product numbering rules QC/T 326-2025 Numbering rules for automotive standardized parts QC/T 625-2024 Metallic coatings and conversion coatings for automobile QC/T 625-2013 Car coating and plating layers and chemical treatment layers

Related Standards

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GB/T 17469-1998 Replaced

GB/T 17469-1998 Road vehicles-Brake linings-Evaluation of friction material characteristics—Small sample bench test procedure

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