GB/T 4440-2022Adjustable wrenches (English PDF)
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Issued by
State Administration for Market Regulation, China National Standardization Administration
Level / Type
National · Recommended
Issue date
November 8, 2022
Implementation date
June 1, 2023
Scope
GB/T 4440-2022 (Adjustable wrenches) is available as an English-translated PDF.
GB/T 4440-2022 is the Chinese standard "Adjustable wrenches". Its scope clause reads: This document specifies the product classification and marking, requirements, test methods, inspection rules and signs, packaging, transportation and storage of adjustable wrenches.
This document applies to adjustable wrenches for turning bolts and nuts or other fasteners. Its clauses include terms and definitions.
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Document preview — GB/T 4440-2022
National Standard of the People's Republic of China
- ICS
- 25.140.30
- Classification
- J 47
- Replacing
- GB/T 4440-2008
Issued by: State Administration for Market Regulation, China National Standardization Administration
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 3.1 opening
- 3.2 Small shoulder clearance
1 Scope
This document specifies the product classification and marking, requirements, test methods, inspection rules and signs, packaging, transportation and storage of adjustable wrenches.
This document applies to adjustable wrenches for turning bolts and nuts or other fasteners.
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document.
GB/T 230.1 Rockwell hardness test for metallic materials - Part 1.Test method (GB/T 230.1-2018, ISO 6508-1.
2016, MOD)
GB/T 699 High Quality Carbon Structural Steel
GB/T 2828.1 Count sampling inspection procedure Part 1.Batch-by-batch inspection sampling plan retrieved by acceptance quality limit (AQL) (GB/T 2828.1-2012, ISO 2859-1.1999, IDT)
GB/T 4955 Metal coating coating thickness measurement - anodic dissolution coulometric method (GB/T 4955-2005, ISO 2177.
2003, IDT)
GB/T 5305 Packaging, marking, transportation and storage of hand tools
GB/T 6060.2 Surface roughness comparison samples Grinding, turning, boring, milling, inserting and planing surfaces (GB/T 6060.2-2006,
ISO 2632-1.1985, MOD)
GB/T 6462 Microscopic method for measuring the thickness of metal and oxide coatings (GB/T 6462-2005, ISO 1463.2003,
IDT)
3 Terms and Definitions
3.1 opening
By adjusting the worm, the movable wrench is moved to the maximum distance from the vertical surface of the wrench body, the size between the two vertical mouth surfaces.
Note. The unit is millimeter (mm).
3.2 Small shoulder clearance
The gap between the small shoulder plane of the movable wrench and the guide rail surface of the wrench body.
Note. The unit is millimeter (mm). […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 22 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 230.1Metallic materials - Rockwell hardness test - Part 1: Test method
- GB/T 230.1-2018Metallic materials - Rockwell hardness test - Part 1: Test method
- GB/T 699Quality carbon structure steels
- GB/T 2828.1Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
- GB/T 2828.1-2012Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
- GB/T 4955Metallic coatings -- Measurement of coating thickness -- Coulometric method by anodic dissolution
ISO 6508 · ISO 2859 · ISO 2177 · ISO 2632 · ISO 1463.2003
Cited by
- GB/T 4625-2022Assembly tools for screws and nuts - Nomenclature
- JY/T 0619-2019Equipping standard of education equipment for physics in junior middle schools
- JY/T 0621-2019Equipping standard of education equipment for biology in junior middle schools
- JY/T 0596-2017Equipment specifications for the major of agricultural equipment application and maintenance in vocational schools
- JY/T 0597-2017Equipment specifications for the major of agricultural equipment application technology in vocational colleges
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Related Standards
GB/T 230.1-2018 — Metallic materials - Rockwell hardness test - Part 1: Test method
GB/T 2828.1-2012 — Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB/T 2828.10-2010 — Sampling procedures for inspection by attributes -- Part 10: Introduction to the GB/T 2828 series of standards for sampling for inspection by attributes
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