HB 4526-1991 Technical Specifications for Hole-pattern Combination Fixture Components

GB/T 1031-1995 Surface roughness parameters and their values GB/T 1031-2009 Geometrical Product Specifications (GPS)—Surface texture:Profile method—Surface roughness parameters and their values GB/T 1182-1996 Geometrical tolerancing—Generalities, definitions, symbols, indications on drawings GB/T 1182-2008 Geometrical Product Specifications(GPS)—Geometrical tolerancing—Tolerances of form, orientation, location and run-out GB/T 1182-2018 Geometrical product specifications(GPS)—Geometrical tolerancing—Tolerances of form,orientation,location and run-out GB 1183 GB/T 1184-1996 Geometrical tolerancing—Geometrical tolerance for features without individual tolerance indications GB/T 1239.1-2009 Cold coiled helical springs technical specifications—Part 1:Extension spring GB/T 1239.2-2009 Cold coiled helical springs technical specifications—Part 2:Compressions spring GB/T 1239.3-2009 Cold coiled helical springs technical specifications—Part 3:Torsion spring GB/T 1239.6-1992 Design of helical springs GB/T 1348-1988 Spheroidal graphite iron castings GB/T 1348-2009 Spheroidal graphite iron castings GB/T 1348-2019 Spheroidal graphite iron castings GB/T 145-2001 Center holes GB/Z 145-2025 Course development guide for education about standardization—Logistics standardization GB/T 1800.1-1997 Limits and fits—Bases—Part 1:Terminology GB/T 1800.1-2009 Geometrical Product Specifications (GPS)—Limits and fits—Part 1:Bases of tolerances,deviations and fits GB/T 1800.1-2020 Geometrical product specifications (GPS)—ISO code system for tolerances on linear sizes—Part 1:Basis of tolerances, deviations and fits GB/T 1800.2-1998 Limits and fits—Bases—Part 2:Basic rules of tolerances, deviations and fits GB/T 1800.2-2009 Geometrical Product Specifications (GPS)—Limits and fits—Part 2:Tables of standard tolerance grades and limit deviations for holes and shafts GB/T 1800.2-2020 Geometrical product specifications(GPS)—ISO code system for tolerances on linear sizes—Part 2:Tables of standard tolerance classes and limit deviations for holes and shafts GB/T 1800.3-1998 Limits and fits—Bases—Part 3:Numerical values tables of standard tolerances and fundamental deviations GB/T 1800.4-1999 Limits and fits Tables of standard tolerance grades and limit deviations for holes and shafts 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 2-2001 Fasteners—Ends of parts with external thread GB/T 2-2016 Fasteners—Ends of parts with external thread GB/T 3-1997 Run-outs，undercuts and chamfers forgeneral purpose metric screw threads GB/T 3098.1-2000 Mechanical properties of fasteners—Bolts, screws and studs GB/T 3098.1-2010 Mechanical properties of fasteners—Bolts,screws and studs 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 3098.3-2000 Mechanical properties of fasteners—Setscrews GB/T 3098.3-2016 Mechanical properties of fasteners—Set screws GB/T 3103.1-2002 Tolerances for fasteners—Bolts, screws, studs and nuts GB/T 3105-2002 General purpose bolts and screws—Radii under the head GB/T 5796.3-1986 Metric trapezoidal screw threads—Basic dimensions GB/T 5796.3-2005 Trapezoidal screw threads—Part 3:Basic dimensions GB/T 5796.3-2022 Trapezoidal screw threads—Part 3:Basic dimensions GB/T 5796.4-1986 Metric trapezoidal screw threads—Tolerances GB/T 5796.4-2005 Trapezoidal screw threads—Part 4:Tolerances GB/T 5796.4-2022 Trapezoidal screw threads—Part 4:Tolerances GB/T 6403.3-1986 Knurl GB/T 6403.3-2008 Knurl GB/T 6403.5-1986 Relief grooves for grinding wheels GB/T 6403.5-2008 Relief grooves for grinding wheels GB/T 6414-1999 Castings—System of dimensional tolerances and machining allowances GB/T 6414-2017 Castings—Dimensional tolerances and geometrical tolerances and machining allowances GB/T 709-1988 Dimensions, shape, weight and tolerances for hot-rolled plates and sheets GB/T 709-2006 Dimension,shape,weight and tolerances for hot-rolled steel plates and sheets GB/T 709-2019 Dimension,shape,weight and tolerance for hot-rolled steel strip,plate and sheet GB/T 711-1988 Hot-rolled quality carbon structural steel plates and wide strips GB/T 711-2008 Hot-rolled quality carbon structural steel plates、sheets and wide strips GB/T 711-2017 Hot-rolled quality carbon structural steel plates sheets and strips GB/T 905-1994 Dimension, shape, weight and tolerance for cold-drawn round, square and hexagonal steels GB 906 GB 907 GB 976 HB 5001 HB 5041-1992 The quality inspection of hard chrome and milk chrome plating layers HB 5062 HB 5800-1999 General tolerance HB 5800-1982 General tolerance