GB/T 70.1-2008 Hexagon socket head screws

　　 GB/T 70.2-2008 Hexagon socket flat head screws

　　 GB/T 70.3-2008 Hexagon socket countersunk head screws

　　 GB/T 825-1988 eye screw

　　 GB/T 889.1-2000 Type 1 non-metallic insert hexagonal lock nut

　　 GB/T 889.2-2000 Type 1 non-metallic insert hexagonal lock nut, fine thread

　　GB/T 897-1988 double-ended stud bm=1d

　　GB/T 898-1988 double-ended stud bm=1.25d

　　GB/T 899-1988 double-ended stud bm=1.5d

　　GB/T 900-1988 double-ended stud bm=2d

　　GB/T 901-1988 Equal-length double-ended stud Grade B

　　GB/T 1228-2006 High-strength large hexagon head bolts for steel structure

　　 GB/T 1229-2006 High-strength large hexagon nuts for steel structure

　　 GB/T 1230-2006 High-strength washers for steel structures

　　 GB/T 2670.1-2004 Hexagon socket pan head tapping screws

　　GB/T 2670.2-2004 Hexagon socket countersunk head tapping screws

　　 GB/T 2670.3-2004 Hexagon socket flat countersunk head tapping screws

　　 GB/T 2671.1-2004 Hexagon socket head cap screw

　　 GB/T 2671.2-2004 Hexagon socket head cap screw

　　 GB/T 2672-2004 Hexagon socket pan head screws

　　 GB/T 2673-2007 Hexagon socket countersunk head screws

　　 GB/T 2674-2004 Hexagon socket flat countersunk head screws

　　GB/T 3632-2008 Torsion shear type high-strength bolt connection pair for steel structure

　　 GB/T 5285-1985 Hexagon head tapping screws

　　 GB/T 5782-2000 hexagon head bolt

　　 GB/T 5783-2000 Hexagon head bolts full thread

　　 GB/T 5784-1986 Hexagon head bolts, thin rod, grade B

　　 GB/T 5785-2000 Hexagon head bolts, fine pitch

　　 GB/T 5786-2000 Hexagon head bolts fine pitch full thread

　　 GB/T 5789-1986 Hexagon flange bolts, enlarged series, grade B

　　 GB/T 5790-1986 Hexagon flange bolts, enlarged series, thin rod, grade B

　　 GB/T 6170-2000 Type 1 hexagon nut

　　 GB/T 6171-2000 Type 1 hexagon nut, fine thread

　　 GB/T 6172.2-2000 Non-metallic insert hexagonal lock thin nuts

　　 GB/T 6175-2000 Type 2 hexagon nut

　　 GB/T 6176-2000 Type 2 hexagon nut, fine thread

　　 GB/T 6177.1-2000 hexagon flange nut

　　 GB/T 6177.2-2000 Hexagon flange nut, fine pitch

　　 GB/T 6178-1986 Type 1 hexagon slotted nut A and B grade

　　 GB/T 6180-1986 Type 2 hexagon slotted nuts A and B

　　 GB/T 6181-1986 Hexagon Slotted Thin Nuts Class A and B

　　 GB/T 6182-2000 Type 2 non-metallic insert hexagon lock nut

　　 GB/T 6183.1-2000 non-metallic insert hexagonal flange lock nut

　　 GB/T 6183.2-2000 non-metallic insert hexagonal flange face lock nut, fine pitch

　　 GB/T 6184-2000 Type 1 All Metal Hexagon Lock Nut

　　 GB/T 6185.1-2000 Type 2 All Metal Hexagon Lock Nut

　　 GB/T 6185.2-2000 Type 2 All-Metal Hexagon Lock Nut, Fine Thread

　　 GB/T 6186-2000 Type 2 All Metal Hexagon Lock Nut Grade 9

　　 GB/T 6187.1-2000 All metal hexagonal flange lock nuts

　　 GB/T 6187.2-2000 All-metal hexagonal flange lock nut, fine thread

　　 GB/T 6560-1986 cross recessed pan head self-tapping locking screws

　　 GB/T 6561-1986 cross recessed countersunk head tapping locking screws

　　GB/T 6562-1986 Cross recessed countersunk head self-tapping locking screws

　　 GB/T 6563-1986 Hexagon head self-tapping locking screws

　　GB/T 6564-1986 Hexagon socket head tapping screw

　　 GB/T 9074.1-2002 bolt or screw and flat washer assembly

　　 GB/T 9074.15-1988 Hexagon head bolt and spring washer assembly

　　 GB/T 9074.16-1988 Hexagon head bolt and serrated lock washer assembly

　　 GB/T 9074.17-1988 hexagon head bolt, spring washer and flat washer assembly

　　 GB/T 9074.18-2002 self-tapping screw and flat washer assembly

　　 GB/T 9074.20-2004 cross recessed hexagon head tapping screw and flat washer assembly

　　 GB/T 9456-1988 Cross recessed hexagon socket tapping screws

　　 GB/T 9457-1988 Type 1 hexagon slotted nut with fine pitch A and B

　　 GB/T 9458-1988 Type 2 hexagon slotted nut, fine pitch A and B grade

　　 GB/T 9459-1988 Hexagon slotted thin nuts, fine pitch A and B

　　 GB/T 13807.2-2008 waisted rod stud connection pair stud

　　 GB/T 13807.3-2008 waisted rod stud connection pair nut, force sleeve

　　GB/T 15389-1994 screw

　　 GB/T 15856.1-2002 Cross recessed pan head self-drilling tapping screws

　　 GB/T 15856.2-2002 Cross recessed countersunk head self-drilling tapping screws

　　 GB/T 15856.3-2002 Cross recessed countersunk head self-drilling and self-tapping screws

　　 GB/T 15856.4-2002 Hexagon flange self-drilling tapping screws

　　GB/T 15856.5-2002 Hexagon flange self-drilling tapping screws

　　 GB/T 16674.1-2004 Hexagon Flange Bolt Small Series

　　 GB/T 16674.2-2004 Hexagon Flange Bolt, Small Series

　　 GB/T 16824.1-1997 hexagonal flange self-tapping screws

　　 GB/T 16824.2-1997 Hexagon flange self-tapping screws

　　GB/T 16939-1997 High-strength bolts for steel grid bolt ball joints

　　 GB/T 18195-2000 Hexagon nuts for precision machinery

　　 GB/T 18230.1-2000 bolted structure with large hexagon head bolts thread length according to GB/T 3106 C level 8.8 and 10.9

　　 GB/T 18230.2-2000 bolted structure with large hexagon head bolts short thread length C grade 8.8 and 10.9

　　 GB/T 18230.3-2000 bolted structure with large hexagon nuts B grade 8 and 10

　　 GB/T 18230.4-2000 Type 1 large hexagon nuts for bolting structure Grade B Grade 10

　　 GB/T 18230.5-2000 Flat washers for bolted structures, quenched and tempered

　　 GB/T 18230.6-2000 Type 1 hexagon nuts for bolting structure hot-dip galvanized (enlarged tapping size) A and B grades 5, 6 and 8

　　GB/T 18230.7-2000 Type 2 hexagon nuts for bolting structure hot-dip galvanized (increased tapping size) Class A Class 9

　　QC/T 340-1999 Hexagon flange bearing surface bolts with teeth

　　 QC/T 607-1999 hexagon nut and conical elastic washer assembly

　　QC/T 864-2011 Hexagon flange face bearing nut with teeth

　　QC/T 856-2011 Hexagon socket countersunk head screws

　　QC/T 866-2011 Hexagon socket flat countersunk head screws

　　QC/T 870-2011 double-ended stud bm=1.25d

　　QC/T 871-2011 double-ended stud bm=2d