451 GB/T 5282-1985 开槽盘头自攻螺钉 Slotted pan head tapping screws
452 GB/T 5283-1985 开槽沉头自攻螺钉 Slotted countersunk head tapping screws
453 GB/T 5284-1985 开槽半沉头自攻螺钉 Slotted raised countersunk head tapping screws
454 GB/T 5285-1985 六角头自攻螺钉 Hexagon head tapping screws
455 GB/T 5286-1985 螺栓、螺钉和螺母用平垫圈 总方案 Plain washers for bolts,screws and nuts--General plan
456 GB/T 5287-1985 特大垫圈 C级 Plain washers--Extra large series--Product grade C
457 GB/T 5625.1-1985 扩口式端直通管接头 Flared type tube fittings--Straight thread connector--Assembly
458 GB/T 5625.2-1985 扩口式端直通管接头体 Flared type tube fittings--Straight thread connector--Body
459 GB/T 5626.1-1985 扩口式锥螺纹直通管接头 Flared type tube fittings--Male connector--Assembly
460 GB/T 5626.2-1985 扩口式锥螺纹直通管接头体 Flared type tube fittings--Male connector-Body
461 GB/T 5627.1-1985 扩口式锥螺纹长管接头 Flared typed tube fittings--Straight taread long connector--Assembly
462 GB/T 5627.2-1985 扩口式锥螺纹长管接头体 Flared type tube fittings--Straight thread long connector--Body
463 GB/T 5628.1-1985 扩口式直通管接头 Flared type tube fittings--Union--Assembly
464 GB/T 5628.2-1985 扩口式直通管接头体 Flared type tube fittings--Union--Body
465 GB/T 5629.1-1985 扩口式锥螺纹直角管接头 Flared type tube fittings--Male elbow--Assembly
466 GB/T 5629.2-1985 扩口式锥螺纹直角管接头体 Flared type tube fittings--Male elbow--Body
467 GB/T 5630.1-1985 扩口式直角管接头 Flared type tube fittings--Union elbow--Assembly
468 GB/T 5630.2-1985 扩口式直角管接头体 Flared type tube fittings--Union elbow--Body
469 GB/T 5631.1-1985 扩口式可调向端直角管接头 Flared type tube fittings--Straight thread elbow-- Assembly
470 GB/T 5631.2-1985 扩口式可调向端直角管接头体 Flared type tube fittings--Straight thread elbow--Body
471 GB/T 5632.1-1985 扩口式组合直角管接头 Flared type tube fittings--Swivel elbow--Assembly
472 GB/T 5632.2-1985 扩口式组合直角管接头体 Flared type tube fittings--Swivel elbow--Body 
473 GB/T 5633.1-1985 扩口式可调向端三通管接头 Flared type tube fittings--Straight thread branch tee--Assembly
474 GB/T 5633.2-1985 扩口式可调向端三通管接头体 Flared type tube fittings--Straight thread branch tee --Body
475 GB/T 5634.1-1985 扩口式组合直角三通管接头 Flared type tube fittings--Swivel run tee--Assembly
476 GB/T 5634.2-1985 扩口式组合直角三通管接头体 Flared type tube fittings--Swivel run tee--Body
477 GB/T 5635.1-1985 扩口式锥螺纹三通管接头 Flared type tube fittings--Male branch tee--Assembly
478 GB/T 5635.2-1985 扩口式锥螺纹三通管接头体 Flared type tube fittings--Male branch tee--Body
479 GB/T 5636.1-1985 扩口式变径锥螺纹三通管接头 Flared type tube fittings--Male branch tee reducer-- Assembly
480 GB/T 5636.2-1985 扩口式变径锥螺纹三通管接头体 Flared type tube fittings--Male branch tee reducer--Body
481 GB/T 5637.1-1985 扩口式可调向端直角三通管接头 Flared type tube fittings--Straight thread run tee-- Assembly

482 GB/T 5637.2-1985 扩口式可调向端直角三通管接头体 Flared type tube fittings--Straight thread run tee-- Body
483 GB/T 5638.1-1985 扩口式组合三通管接头 Flared type tube fittings--Swivel branch tee--Assembly
484 GB/T 5638.2-1985 扩口式组合三通管接头体 Flared typed tube fittings--Swivel branch tee--Body
485 GB/T 5639.1-1985 扩口式三通管接头 Flared type tube fittings--Union tee--Assembly
486 GB/T 5639.2-1985 扩口式三通管接头体 Flared type tube fittings--Union tee--Boby
487 GB/T 5640.1-1985 扩口式三通变径管接头 Flared type tube fittings--Union tee reducer--Assembly
488 GB/T 5640.2-1985 扩口式三通变径管接头体 Flared type tube fittings--Union tee reducer--Body
489 GB/T 5641.1-1985 扩口式四通管接头 Flared type tube fittings--Union cross--Assembly
490 GB/T 5641.2-1985 扩口式四通管接头体 Flared type tube fittings--Union cross--Body
491 GB/T 5642.1-1985 扩口式焊接管接头 Flared type tube fittings--Weld male connector--Assembly
492 GB/T 5642.2-1985 扩口式焊接管接头体 Flared type tube fittings--Weld male connector--Body
493 GB/T 5643.1-1985 扩口式隔壁直通管接头 Flared type tube fittings--Bulkhead union--Assembly 
494 GB/T 5643.2-1985 扩口式隔壁直通管接头体 Flared type tube fittings--Bulkhead union--Body
495 GB/T 5644.1-1985 扩口式隔壁直角管接头 Flared type tube fittings--Bulkhead union elbow--Assembly
496 GB/T 5644.2-1985 扩口式隔壁直角管接头体 Flared type tube fittings--Bulkhead union elbow--Body
497 GB/T 5645.1-1985 扩口式压力表管接头 Flared type tube fittings--Connector for pressure gauge--Assembly
498 GB/T 5645.2-1985 扩口式压力表管接头体 Flared type tube fittings--Connector for pressure gauge--Body
499 GB/T 5646-1985 扩口式管接头管套 Flared type tube fittings--Sleeve
500 GB/T 5647-1985 扩口式 A 型管接头螺母 Flared type tube fittings--Style A nut 

501 GB/T 5648-1985 扩口式 B 型管接头螺母 Flared type tube fittings--Style B nut
502 GB/T 5649-1985 扩口式管接头锁紧螺母 Flared type tube fittings--Locknut
503 GB/T 5650-1985 扩口式管接头空心螺栓 Flared type tube fittings--Inverted flare bolts
504 GB/T 5651-1985 扩口式管接头密合垫 Flared type tube fittings--Seat insert
505 GB/T 5652-1985 扩口式管接头锁紧螺母垫圈 Flared type tube fittings--Back-up washer
506 GB/T 5653-1985 扩口式管接头技术条件 Specification for flared type tube fittings
507 GB/T 5779.1-1986 紧固件表面缺陷--螺栓、螺钉和螺柱--一般要求 Surface discontinuities of fasteners on bolts, screws and studs for general requirements
508 GB/T 5779.2-1986 紧固件表面缺陷--螺母--一般要求 Surface discontinuities of fasteners on nuts for general requirements
509 GB/T 5779.3-1986 紧固件表面缺陷--螺栓、螺钉和螺柱--特殊要求 Surface discontinuities of fasteners on bolts screws and studs—Special requirements
510 GB/T 5780-1986 六角头螺栓--C级 Hexagon head bolts—Product grade C
511 GB/T 5781-1986 六角头螺栓--全螺纹--C级 Hexagon head bolts—Full thread—Product grade C
512 GB/T 5782-1986 六角头螺栓--A和B级 Hexagon head bolts—Product grades A and B
513 GB/T 5783-1986 六角头螺栓--全螺纹 A和B级 Hexagon head bolts—Full thread—Product grades A and B
514 GB/T 5784-1986 六角头螺栓--细杆 B级 Hexagon head bolts—Reduced shank—Product grade B 

515 GB/T 5785-1986 六角头螺栓--细牙--A和B级 Hexagon head bolts—Fine pitch thread—Product grades A and B
516 GB/T 5786-1986 六角头螺栓--细牙--全螺纹--A和B级 Hexagon head bolts—Fine pitch thread—Full thread—Product grades A and B
517 GB/T 5787-1986 六角法兰面螺栓--B级 Hexagon flange bolts—Product grade B
518 GB/T 5788-1986 六角法兰面螺栓--细杆--B级 Hexagon flange bolts--Reduced shank--Product grade B
519 GB/T 5789-1986 六角法兰面螺栓--加大系列--B级 Hexagon flange bolts—Heavy series—Product grade B
520 GB/T 5790-1986 六角法兰面螺栓--加大系列--细杆--B级 Hexagon flange bolts—Heavg eries--Product grade B
521 GB/T 5800-1986 滚动轴承 仪器精密轴承 Rolling bearings--Instrument precision bearings
522 GB/T 5801-1994 滚动轴承 轻中系列滚针轴承 外形尺寸和公差 Rolling bearings--Light and medium series needle roller bearings--Boundary dimensions and tolerances
523 GB/T 5837-1993 液力偶合器 型式和基本参数 Fluid coupling--Types and basic specifications
524 GB/T 5843-1986 凸缘联轴器 Flanged coupling
525 GB/T 5844-1986 轮胎式联轴器 Coupling with rubber tyre element
526 GB/T 5859-1994 滚动轴承 推力调心滚子轴承 外形尺寸 Rolling bearings--Self-aligning thrust roller bearings--Boundary dimensions
527 GB/T 5868-1986 滚动轴承安装尺寸 Dimensions for mounting rolling bearings
528 GB/T 6069-1985 滚子链联轴器 Roller chain coupling
529 GB/T 6073-1985 LT 型高弹性摩擦离合器 Type LT highly elastic frictionclutch
530 GB/T 6074-1995 板式链、端接头及槽轮 Leaf chains, clevises and sheaves
531 GB/T 6076-1985 传动用短节距精密套筒链 Short pitch transmission precision bush chains
532 GB/T 6170-1986 1型六角螺母 A和B级 Hexagon nuts, style 1--Product grades A and B
533 GB/T 6171-1986 1型六角螺母 细牙 A和B级 Hexagon nuts, style 1--Fine pitch thread--Product gra des A and B
534 GB/T 6172-1986 六角薄螺母 A和B级 倒角 Hexagon thin nuts--Product grades A and B--Chamfered
535 GB/T 6173-1986 六角薄螺母 细牙 A和B级 Hexagon thin nuts--Fine pitch thread--Product grades A and B
536 GB/T 6174-1986 六角薄螺母 B级 无倒角 Hexagon thin nuts--Product grade B--Unchamfered 
537 GB/T 6175-1986 2型六角螺母 A和B级 Hexagon nuts, style 2--Product grades A and B
538 GB/T 6176-1986 2型六角螺母 细牙 A和B级 Hexagon nuts, style 2--Fine pitch thread--Product grades A and B

539 GB/T 6177-1986 六角法兰面螺母 A级 Hexagon nuts with flange--Product grade A
540 GB/T 6178-1986 1型六角开槽螺母 A和B级 Hexagon slotted and castle nuts, style 1--Product grades A and B

541 GB/T 6179-1986 1型六角开槽螺母 C级 Hexagon slotted nuts, style 1--Product grade C
542 GB/T 6180-1986 2型六角开槽螺母 A和B级 Hexagon slotted and castle nuts,style 2--Product grades A and B
543 GB/T 6181-1986 六角开槽薄螺母 A和B级 Hexagon thin slotted nuts--Product grades A and B
544 GB/T 6182-1986 2型非金属嵌件六角锁紧螺母 Prevailing torque type hexagon nuts (with non-metallic insert), style 2
545 GB/T 6183-1986 非金属嵌件六角法兰面锁紧螺母 Prevailing torque type hexagon nuts with flange (with non-metallic insert)
546 GB/T 6184-1986 1型全金属六角锁紧螺母 Prevailing torque type all-metal hexagon nuts, style 1
547 GB/T 6185-1986 2型全金属六角锁紧螺母 5,8,10和12级 Prevailing torque type all-metal hexagon nuts, style 2--Property classes 5,8, 10 and 12
548 GB/T 6186-1986 2型全金属六角锁紧螺母 9级 Prevailing torque type all-metal hexagon nuts, style 2--Property class 9
549 GB/T 6187-1986 全金属六角法兰面锁紧螺母 Prevailing torque type all-metal hexagon nuts with flange
550 GB/T 6188-1986 紧固件用六角花形 T型 Hexagon lobular for fasteners--Type T

551 GB/T 6189-1986 紧固件用六角花形 E型 Hexagon lobular for fasteners--Type E
552 GB/T 6190-1986 内六角花形圆柱头螺钉 4.8级 Hexagon lobular socket head cap screws--Property class 4.8
553 GB/T 6191-1986 内六角花形圆柱头螺钉 8.8级 Hexagon lobular socket head cap screws--Property class 8.8
554 GB/T 6333-1986 电力液压块式制动器 The electro-hydraulic double-shoe brakes
555 GB/T 6334-1986 直流电磁铁块式制动器 DC-electromagnet double-shoe brakes 
556 GB/T 6391-1995 滚动轴承 额定动载荷和额定寿命 Rolling bearings--Dynamic load ratings and rating life
557 GB/T 6413-1986 渐开线圆柱齿轮胶合承载能力计算方法 Calculation of scuffing load capacity for involute cylindrical gears
558 GB/T 6443-1986 渐开线圆柱齿轮图样上应注明的尺寸数据 Involute cylindrical gears--Information of the dimensional data to be given on the drawing
559 GB/T 6445.1-1996 滚动轴承 滚轮滚针轴承 外形尺寸 Rolling bearings Needle roller bearings--Track rollers--Boundary dimensions
560 GB/T 6445.2-1996 滚动轴承 滚轮滚针轴承 公差 Rolling bearings--Needle roller bearings-Track rollers--Tolerances
561 GB/T 6559-1986 自攻锁紧螺钉的螺杆 粗牙普通螺纹系列 Screw thread shanks for thread forming screw--Metric coarse thread series
562 GB/T 6560-1986 十字槽盘头自攻锁紧螺钉 Cross recessed pan head thread forming screws
563 GB/T 6561-1986 十字槽沉头自攻锁紧螺钉 Cross recessed countersunk head thread forming screws
564 GB/T 6562-1986 十字槽半沉头自攻锁紧螺钉 Cross recessed raised countersunk head thread forming screws
565 GB/T 6563-1986 六角头自攻锁紧螺钉 Hexagon head thread forming screws
566 GB/T 6564-1986 内六角花形圆柱头自攻锁紧螺钉 Hexagon lobular socket thread forming screws
567 GB/T 6930-1986 滚动轴承词汇 Rolling bearings--Vocabulary
568 GB/T 6931.1-1986 带传动基本术语 Drives using belt--Basic terminology
569 GB/T 6931.2-1986 V 带传动术语 Drives using V-belts and grooved pulleys--Terminology
570 GB/T 6931.3-1986 同步带传动术语 Synchronous belt drives--Terminology
571 GB/T 7217-1987 凸缘外圈向心球轴承 凸缘尺寸 Radial ball bearings with flanged outer ring--Flange dimensions

572 GB/T 7218-1995 滚动轴承 凸缘外圈微型向心球轴承外形尺寸 Rolling bearings--Miniature radial ball bearings with flanged outer ring Boundary dimensions
573 GB/T 7244-1987 重型弹簧垫圈 Single coil spring lock washers, Heavy type
574 GB/T 7245-1987 鞍形弹簧垫圈 Curved single coil spring lock washers
575 GB/T 7246-1987 波形弹簧垫圈 Wave single coil spring lock washers
576 GB/T 7308-1987 滑动轴承薄壁翻边轴瓦尺寸、公差及检验方法 Plain bearings--Thin-walled flanged half bearings--Dimensions, tolerances and methods of checking 
577 GB/T 7549-1987 球笼式同步万向联轴器型式、基本参数和主要尺寸 Synchronizing universal coupling with ball and sacket--Type, foundational parameters and main dimensions
578 GB/T 7550-1987 球笼式同步万向联轴器试验方法 Synchroizing universal coupling with ball and sacket
579 GB/T 7559-1987 纤维增强塑料层板螺栓连接挤压强度试验方法 FRP Laminates-test method for bearing strength by bolted joints
580 GB/T 7809-1995 滚动轴承 外球面球轴承座外形尺寸 Roliing bearings--Housings for insert bearing boundary dimensions
581 GB/T 7810-1995 滚动轴承 带座外球面球轴承外形尺寸 Rolling bearings--Insert bearing units boundary dimensions
582 GB/T 7811-1987 滚动轴承参数符号 Rolling bearings--Symbols for quantities
583 GB/T 7948-1987 塑料轴承极限PV试验方法 Test method for PV limit of plastics bearings
584 GB/T 8259-1987 卡箍式柔性管接头技术条件 Specification for flexible coupling of housing
585 GB/T 8260-1987 卡箍式柔性环型管接头 Flexible coupling of housing for pipe end with rib ring
586 GB/T 8261-1987 卡箍式柔性肩型管接头 Flexible coupling of housing for pipe end with shoulder
587 GB/T 8262-1987 圆头椭圆颈螺栓 Bolts,round head with oval neck
588 GB/T 8350-1987 输送链、附件和链轮 Conveyor chains, attachments and chain wheels
589 GB/T 8542-1987 透平齿轮传动装置技术条件 Spcification for turbine gearings
590 GB/T 8597-1988 滚动轴承包装 Rolling bearings-packaging and packing
591 GB/T 9065.1-1988 液压软管接头 连接尺寸 扩口式 Hydraulic fluid power--Hose connector--Connecting dimension (Part Ⅰ--Flare type)
592 GB/T 9065.2-1988 液压软管接头 连接尺寸 卡套式 Hydraulic fluid power--Hose connector--Connecting dimension (Part Ⅱ--Insert type)
593 GB/T 9065.3-1988 液压软管接头 连接尺寸 焊接式或快换式 Hydraulic fluid power--Hose connector--Connecting dimension (Part Ⅲ--Welding or quick-action type)
594 GB/T 9074.1-1988 十字槽盘头螺钉和平垫圈组合件 Cross recessed pan head screw and plain washer assemblies
595 GB/T 9074.2-1988 十字槽盘头螺钉和外锯齿锁紧垫圈组合件 Cross recessed pan head screw and serrated lock washer external teeth assemblies 
596 GB/T 9074.3-1988 十字槽盘头螺钉和弹簧垫圈组合件 Cross recessed pan head screw and single coil spring lock washer assemblies
597 GB/T 9074.4-1988 十字槽盘头螺钉, 弹簧垫圈和平垫圈组合件 Cross recessed pan head screw,single coil spring lock washer and plain washer assemblies
598 GB/T 9074.5-1988 十字槽小盘头螺钉和平垫圈组合件 Cross recessed small pan head screw and small plain washer assemblies
599 GB/T 9074.6-1988 十字槽小盘头螺钉和大垫圈组合件 Cress recessed small pan head serew and big plain washer assemblies
600 GB/T 9074.7-1988 十字槽小盘头螺钉和弹簧垫圈组合件 Cross recessed small pan head screw and single coil spring lock washer assemblies