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                Fastener National Standard

                May-05,2021 136

                Fastener production standard

                GB/T192-2003 Ordinary thread basic tooth profile

                GB/T196-2003 Ordinary thread basic size

                GB/T197-2003 common thread tolerance

                GB/T2516-1981/IS0965-3: 1998 limit deviation of ordinary thread (diameter 1-355mm)

                GB/T9145-2003/ISO 965-2: 1980 ordinary thread medium precision, the limit size of the preferred series

                GB/T15756-1995 common thread limit size


                Fastener mechanical performance standard

                GB/T3098.1-2000/ISO 898-1:1999 Mechanical properties of fasteners, bolts, screws and studs

                GB/T3098.2-2000/ISO 898-2:1992 Mechanical properties of fasteners nut coarse thread


                Fastener surface treatment standard

                GB/T5267.1-2002/ISO 4042:1999 Fastener electro-galvanized layer

                GB/T5267.3-2008/ISO 10684:2004 Fastener hot-dip galvanized layer

                GB/T9800-1988/ISO 4520:1981 Chromate conversion coating of electro-galvanized and electro-plated interlayer

                GB/T22028-2008/ISO 965-5:1998 hot-dip galvanized thread contains galvanized layer on the internal thread

                GB/T22029-2008/ISO 965-4:1998 hot-dip galvanized thread accommodates the galvanized layer on the external thread

                ISO9587 Metal and other inorganic coatings to reduce the risk of hydrogen embrittlement pretreatment of steel products

                ISO9588 Metal and other inorganic coatings to reduce the risk of hydrogen embrittlement Post-plating treatment of steel products


                Fastener acceptance standard

                GB/T90.1-2002/ISO 3269:2000 fastener acceptance inspection

                GB/T3934-2003/ISO1502: 1996 technical requirements for ordinary thread gauges

                GB/T10125-1997/ISO 9227:1990 artificial atmosphere corrosion test salt spray test

                GB/T24195-2009/ISO16151:2005 Corrosion of metals and alloys. Cyclic accelerated corrosion test under acidic salt spray "dry" and "wet" conditions

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