1 GB/T 2-1985 紧固件 外螺纹零件的末端 Fasteners--Ends of parts with external thread

2 GB/T 8-1988 方头螺栓 C级 Square head bolts--Product grade C

3 GB/T 10-1988 沉头方颈螺栓 Flat countersunk square neck bolts

4 GB/T 11-1988 沉头带榫螺栓 Flat countersunk nib bolts

5 GB/T 12-1988 半圆头方颈螺栓 Cup head square neck bolts

6 GB/T 13-1988 半圆头带榫螺栓 Cup head nib bolts

7 GB/T 15-1988 大半圆头带榫螺栓 Cup head nib bolts with large head

8 GB/T 22-1976 小六角头导颈螺栓 Bolts, small hexagon head with fit neck

9 GB/T 23-1976 小六角头螺杆带孔螺栓 Bolts, small hexagon head with hole through the shank

10 GB/T 24-1976 小六角头螺杆带孔导颈螺栓 Bolts, small hexagon head with fit neck and hole through the shank

11 GB/T 25-1976 小六角头头部带孔螺栓 Bolts, small hexagon head with holes through the head

12 GB/T 26-1976 小六角头头部带孔导颈螺栓 Bolts, small hexagon head with fit neck and holes through the head

13 GB/T 27-1988 六角头铰制孔用螺栓 A和B级 Hexagon fit bolts--Product grade A and B

14 GB/T 28-1988 六角头螺杆带孔铰制孔用螺栓 A和B级 Hexagon fit bolts with Split pin hole on shank--Product grade A and B

15 GB/T 29.1-1988 六角头头部带槽螺栓 A和B级 Hexagon bolts with slot on head--Product grade A and B

16 GB/T 29.2-1988 十字槽凹穴六角头螺栓 Cross recessed hexagon bolts with indentation

17 GB/T 31.1-1988 六角头螺杆带孔螺栓 A和B级 Hexagon bolts with split pin hole on shank--Product grade A and B

18 GB/T 31.2-1988 六角头螺杆带孔螺栓 细杆 B级 Hexagon bolts with split pin hole on shank--Reduced shank--Product grade B

19 GB/T 31.3-1988 六角头螺杆带孔螺栓 细牙 A和B级 Hexagon bolts with split pin hole on shank--Fine pitch thread--Product grade A and B

20 GB/T 32.1-1988 六角头头部带孔螺栓 A和B级 Hexagon bolts with wire holes on head--Product grade A and B 21 GB/T 32.2-1988 六角头头部带孔螺栓 细杆 B级 Hexagon bolts with wire holes on head--Reduced shank--Product grade B

22 GB/T 32.3-1988 六角头头部带孔螺栓 细牙 A和B级 Hexagon bolts with wire holes on head--Fine pitch thread--Product grade A and B

23 GB/T 35-1988 小方头螺栓 B级 Square head bolts with small head--Product grade B

24 GB/T 37-1988 T型槽用螺栓 Bolts for T-Slot

25 GB/T 38-1976 螺栓 技术条件 Bolts--Technical requirements

26 GB/T 39-1988 方螺母 C级 Square nuts--Product grade C

27 GB/T 41-1986 1 型六角螺母 C 级 Hexagon nuts--Style 1--Product grad C

28 GB/T 56-1988 六角厚螺母 Hexagon thick nuts

29 GB/T 61-1976 螺母 技术条件 Nuts--Technical requirements

30 GB/T 62-1988 蝶形螺母 Wing nuts

31 GB/T 63-1988 环形螺母 Lifting nuts

32 GB/T 65-1985 开槽圆柱头螺钉 Slotted cheese head screws

33 GB/T 67-1985 开槽盘头螺钉 Slotted pan head screws

34 GB/T 68-1985 开槽沉头螺钉 Slotted countersunk head screws

35 GB/T 69-1985 开槽半沉头螺钉 Slotted raised countersunk head screws

36 GB/T 70-1985 内六角圆柱头螺钉 Hexagon socket cap head screws

37 GB/T 71-1985 开槽锥端紧定螺钉 Slotted set screws with cone point

38 GB/T 72-1988 开槽锥端定位螺钉 Slotted set screws with cone point

39 GB/T 73-1985 开槽平端紧定螺钉 Slotted set screws with flat point

40 GB/T 74-1985 开槽凹端紧定螺钉 Slotted set screws with cup point

41 GB/T 75-1985 开槽长圆柱端紧定螺钉 Slotted set screws withlong dog point

42 GB/T 77-1985 内六角平端紧定螺钉 Hexagon socket set screws with flat point

43 GB/T 78-1985 内六角锥端紧定螺钉 Hexagon socket set screws with cone point

44 GB/T 79-1985 内六角圆柱端紧定螺钉 Hexagon socket set screws with dog point

45 GB/T 80-1985 内六角凹端紧定螺钉 Hexagon socket set screws with cup point

46 GB/T 83-1988 方头长圆柱球面端紧定螺钉 Square set screws with long dog point and rounded end

47 GB/T 84-1988 方头凹端紧定螺钉 Square set screws with cup point

48 GB/T 85-1988 方头长圆柱端紧定螺钉 Square set screws with long dog point

49 GB/T 86-1988 方头短圆柱锥端紧定螺钉 Square set screws with short dog point and cone end

50 GB/T 89-1976 螺钉 技术条件 Screws--Technical requirements