Cup head square neck bolts with large head-Product grade C GB 14-1998
Cross recessed hexagon bolts with indentation GB 29.2-88
Square head bolts with small head-praduct grade B GB 35-88
Bolts for T-Slot GB 37-88
Strengthened cup head square neck bolts GB /T794-93
Flat countersunk double nib bolts GB 800-88
Cup head square neck bolts with small head and short neck-product grade B GB /T 801-1998
Slotted cheese head screws GB /T 65-2000
Slotted pan head screws GB /T 67-2000
Slotted countersunk flat head screws (common head style) GB /T 68-2000
Countersunk slotted raised head screws (common head style) GB /T 69-2000
Hexagon socket head cap screws GB /T 70.1-2000
Hexagon socket button head screws GB /T 70.2-2000
Hexagon socket countersunk head screws GB /T 70.3-2000
Slotted set screws with cone point GB 71-85
Slotted setscrews with cone point GB 72-88
Slotted set screws with flat point GB 73-85
Slotted set screws with cup point GB 74-85
Slotted set screws with long dog point GB 75-85
Hexagon socket set screws with flat point GB /T 77-2000
Hexagon socket set screws with cone point GB /T 78-2000
Hexagon socket set screws with dog point GB /T 79-2000
Hexagon socket set screws with cup point GB /T 80-2000
Square set screws with long dog point and rounded end GB 83-88
Square set screws with cup point GB 84-88
Square set screws with long dog point GB 85-88
Square set screws with short dog point and cone end GB 86-88
Pan head screws with cross recess GB /T 818-2000
Countersunk flat head screws (common head style)with cross recess-Part 1:Steel of property class 4.8 GB /T 819.1-2000
Cross recessed countersunk flat head screws (common head style)-Grade A-Part 2:Steel of property class 8.8, stainless and non-ferrous metals GB /T 819.2-1997
Countersunk raised head screws (common head style) with cross recess GB /T 820-2000
Square set screws with chamfered end GB 821-88
Cheese head screws with cross recess GB /T 822-2000
Cross recessed small pan head screws GB 823-88
Eyebolts GB 825-88
Slotted pan head set setscrews with dog point GB 828-88
Slotted setscrews with dog point GB 829-88
Slotted cheese head screws with shoulder GB 830-88
Slotted shoulder screws GB 831-88
Slotted capstan screws GB 832-88
Slotted large cheese head screws GB 833-88
Knurled thumb screws GB 834-88
Knurled screws GB 835-88
Knurled screws with small head GB 836-88
Slotted pan head screws with waisted shank GB 837-88
Hexagon screws with waisted shank GB 838-88
Knurled thumb screws with waisted shank GB 839-88
Slotted raised head with shoulder GB 946-88
Slotted large raised cheese head screws GB 947-88
Slotted countersunk head screws with waisted shank GB 948-88
Slotted raised countersunk head screws with waisted shank GB 949-88
Hexagon lobular socket pan head screws GB 2672-86
Hexagon lobular socket countersunk head screws GB 2673-86
Hexagon lobular socket raised countersunk head screws GB 2674-86
Hexagon socket head shoulder screws GB 5281-85
Hexagon lobular socket head cap screws-property class 4.8 GB 6190-86
Hexagon lobular socket head cap screws-property class 8.8 and 10.9 GB 6191-86
Fasteners for mechanics-Cross recessed screws GB /T 13806.1-92
Cross recessed pan head tapping screws GB 845-85
Cross recessed countersunk head tapping screws GB 846-85
Cross recessed raised countersunk head tapping screws GB 847-85
Slotted pan head tapping screws GB 5282-85
Hexagon head tapping screws GB 5285-85
Cross recessed pan head thread forming screws GB 6560-86
Cross recessed countersunk head thread forming screws GB 6561-86
Cross recessed raised countersunk head thread forming screws GB 6562-86