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