QJ 2397.2-1992 Bronze and aluminum alloy threaded fasteners technical specification - nut

QJ 2397.1-1992 Bronze and aluminum alloy threaded fasteners technical specifications for bolts, screws, and studs

GB/T 196-2003 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 2060 GB/T 3-1997 Run-outs，undercuts and chamfers forgeneral purpose metric screw threads GB/T 3103.1-2002 Tolerances for fasteners—Bolts, screws, studs and nuts GB 3117 GB/T 3191-1998 Extrusion rods and bars of aluminium and aluminium alloy GB/T 3191-2010 Aluminium and aluminium alloys extruded bars,rods GB/T 3191-2019 Extrusion rods and bars of aluminium and aluminium alloys GB/T 3194-1998 Wrought aluminium and aluminium alloy sheets and strips—Tolerances on forms and dimensions GB/T 3880-1997 Aluminium and aluminium alloy rolled sheet GB/T 3880.1-2006 Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 1:Technical conditions of delivery GB/T 3880.1-2012 Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 1:Technical conditions of delivery GB/T 3880.1-2023 Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 1:Technical conditions of delivery GB/T 3880.2-2006 Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 2:Mechanical properties GB/T 3880.2-2012 Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 2:Mechanical properties GB/T 3880.2-2024 Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 2:Mechanical properties GB/T 3880.3-2006 Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 3:Tolerances on forms and dimensions GB/T 3880.3-2012 Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 3:Tolerances on forms and dimensions GB/T 3880.3-2024 Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 3:Tolerances on forms and dimensions GB 4424 GB 4425 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 90.3-2010 Fasteners—Quality assurance system GB 928 Q/HG 179 QJ 326-1978 Fastening parts Fastening parts packaging, labeling and storage QJ 469 QJ 476 QJ 493-1986 The technical specifications for decorative chrome plating of steel, copper, and copper alloys QJ 538 GB/T 196-2025 General purpose metric screw threads—Basic dimensions