GB/T 39378-2020 Sockets for spark-plugs- and glow-plugs

GB/T 230.1-2004 Metallic Rockwell hardness test—Part1:Test method(scales A、B、C、D、E、F、G、H、K、N、T) GB/T 230.1-2009 Metallic materials—Rockwell hardness test—Part 1:Test method(scales A、B、C、D、E、F、G、H、K、N、T) GB/T 230.1-2018 Metallic materials—Rockwell hardness test—Part 1:Test method GB/T 1957-1981 Limit gauges for plain workpiece GB/T 1957-2006 Tolerances and general features for plain limin gauges GB/T 2828.1-2003 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection 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 2829-2002 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability) GB/T 3390.1-2004 Hand operated socket wrenches-Socket GB/T 3390.1-2013 Hand operated socket wrenches—Socket GB/T 3390.2-2004 Hand operated socket wrenches—Driving squares GB/T 3390.2-2013 Hand operated socket wrenches—Driving squares GB/T 4955-1997 Metallic coatings—Measurement of coating thickness—Coulometric method by anodic dissolution GB/T 4955-2005 Metallic coatings—Measurement of coating thickness—Coulometric method by anodic dissolution GB/T 5305-1985 Packaging,marking,transportation and storage of hand tools GB/T 5305-2008 Packaging,marking,transportation and storage of hand tools GB/T 6060.2-1985 Roughness comparison specimens—Ground, turned, bored,milled, shaped and planed GB/T 6060.2-2006 Roughness comparison specimens—Ground,turned,bored,milled,shaped and planed GB/T 6462-1986 Metallic and oxide coatings—Measurement of coating thickness—Microscopical method GB/T 6462-2005 Metallic and oxide coatings—Measurement of coating thickness—Microscopical method GB/T 6791-1986 Spark plug M18×1.5 with conical seating and cylinder head housing GB/T 6791-2012 Road vehicles—Spark-plugs and their cylinder head housing—Basic characteristics and dimensions GB/T 6462-2025 Metallic and oxide coatings—Measurement of coating thinckness—Microscopical method GB/T 6791-2025 Road vehicles—Spark-plugs and their cylinder head housings—Basic characteristics and dimensions GB/T 2829-2025 Sampling procedures and tables for periodic inspection by attributes(Apply to inspection of process stability)

ISO 11168:1995