This standard specifies the terms and definitions, classification and marking, technical requirements, test methods, inspection rules and signs, packaging, transportation and storage of hand torque wrench. This standard applies to manual indicating torque wrenches and manual preset torque wrenches for screwing screws and nuts or other similar parts. Hereinafter referred to as torque wrench.
GB/T 2828.1 Inspection procedure by count sampling part 1: Lot by lot inspection sampling plan retrieved by acceptance quality limit (AQL)*, 2013-02-15 Update
GB/T 3390.2 Hand operated socket wrenches.Driving squares*, 2013-11-12 Update
GB/T 4625 Assembly tools for screws and nuts—Nomenclature*, 2022-11-08 Update
GB/T 5305 Packaging,marking,transportation and storage of hand tools
GB/T 6462 Metallic and oxide coatings-Measurement of coating thinckness-Microscopical method
JJF 1059 Evaluation and Expression of Uncertainty in Measurement