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451 GB/T 5282-1985 開槽盤頭自攻螺釘 Slotted pan head tapping screws
452 GB/T 5283-1985 開槽沉頭自攻螺釘 Slotted countersunk head tapping screws
453 GB/T 5284-1985 開槽半沉頭自攻螺釘 Slotted raised countersunk head tapping screws
454 GB/T 5285-1985 六角頭自攻螺釘 Hexagon head tapping screws
455 GB/T 5286-1985 螺栓、螺釘和螺母用平墊圈 總方案 Plain washers for bolts,screws and nuts--General plan
456 GB/T 5287-1985 特大墊圈 C級 Plain washers--Extra large series--Product grade C
457 GB/T 5625.1-1985 擴(kuò)口式端直通管接頭 Flared type tube fittings--Straight thread connector--Assembly
458 GB/T 5625.2-1985 擴(kuò)口式端直通管接頭體 Flared type tube fittings--Straight thread connector--Body
459 GB/T 5626.1-1985 擴(kuò)口式錐螺紋直通管接頭 Flared type tube fittings--Male connector--Assembly
460 GB/T 5626.2-1985 擴(kuò)口式錐螺紋直通管接頭體 Flared type tube fittings--Male connector-Body
461 GB/T 5627.1-1985 擴(kuò)口式錐螺紋長管接頭 Flared typed tube fittings--Straight taread long connector--Assembly
462 GB/T 5627.2-1985 擴(kuò)口式錐螺紋長管接頭體 Flared type tube fittings--Straight thread long connector--Body
463 GB/T 5628.1-1985 擴(kuò)口式直通管接頭 Flared type tube fittings--Union--Assembly
464 GB/T 5628.2-1985 擴(kuò)口式直通管接頭體 Flared type tube fittings--Union--Body
465 GB/T 5629.1-1985 擴(kuò)口式錐螺紋直角管接頭 Flared type tube fittings--Male elbow--Assembly
466 GB/T 5629.2-1985 擴(kuò)口式錐螺紋直角管接頭體 Flared type tube fittings--Male elbow--Body
467 GB/T 5630.1-1985 擴(kuò)口式直角管接頭 Flared type tube fittings--Union elbow--Assembly
468 GB/T 5630.2-1985 擴(kuò)口式直角管接頭體 Flared type tube fittings--Union elbow--Body
469 GB/T 5631.1-1985 擴(kuò)口式可調(diào)向端直角管接頭 Flared type tube fittings--Straight thread elbow-- Assembly
470 GB/T 5631.2-1985 擴(kuò)口式可調(diào)向端直角管接頭體 Flared type tube fittings--Straight thread elbow--Body
471 GB/T 5632.1-1985 擴(kuò)口式組合直角管接頭 Flared type tube fittings--Swivel elbow--Assembly
472 GB/T 5632.2-1985 擴(kuò)口式組合直角管接頭體 Flared type tube fittings--Swivel elbow--Body
473 GB/T 5633.1-1985 擴(kuò)口式可調(diào)向端三通管接頭 Flared type tube fittings--Straight thread branch tee--Assembly
474 GB/T 5633.2-1985 擴(kuò)口式可調(diào)向端三通管接頭體 Flared type tube fittings--Straight thread branch tee --Body
475 GB/T 5634.1-1985 擴(kuò)口式組合直角三通管接頭 Flared type tube fittings--Swivel run tee--Assembly
476 GB/T 5634.2-1985 擴(kuò)口式組合直角三通管接頭體 Flared type tube fittings--Swivel run tee--Body
477 GB/T 5635.1-1985 擴(kuò)口式錐螺紋三通管接頭 Flared type tube fittings--Male branch tee--Assembly
478 GB/T 5635.2-1985 擴(kuò)口式錐螺紋三通管接頭體 Flared type tube fittings--Male branch tee--Body
479 GB/T 5636.1-1985 擴(kuò)口式變徑錐螺紋三通管接頭 Flared type tube fittings--Male branch tee reducer-- Assembly
480 GB/T 5636.2-1985 擴(kuò)口式變徑錐螺紋三通管接頭體 Flared type tube fittings--Male branch tee reducer--Body
481 GB/T 5637.1-1985 擴(kuò)口式可調(diào)向端直角三通管接頭 Flared type tube fittings--Straight thread run tee-- Assembly 482 GB/T 5637.2-1985 擴(kuò)口式可調(diào)向端直角三通管接頭體 Flared type tube fittings--Straight thread run tee-- Body
483 GB/T 5638.1-1985 擴(kuò)口式組合三通管接頭 Flared type tube fittings--Swivel branch tee--Assembly
484 GB/T 5638.2-1985 擴(kuò)口式組合三通管接頭體 Flared typed tube fittings--Swivel branch tee--Body
485 GB/T 5639.1-1985 擴(kuò)口式三通管接頭 Flared type tube fittings--Union tee--Assembly
486 GB/T 5639.2-1985 擴(kuò)口式三通管接頭體 Flared type tube fittings--Union tee--Boby
487 GB/T 5640.1-1985 擴(kuò)口式三通變徑管接頭 Flared type tube fittings--Union tee reducer--Assembly
488 GB/T 5640.2-1985 擴(kuò)口式三通變徑管接頭體 Flared type tube fittings--Union tee reducer--Body
489 GB/T 5641.1-1985 擴(kuò)口式四通管接頭 Flared type tube fittings--Union cross--Assembly
490 GB/T 5641.2-1985 擴(kuò)口式四通管接頭體 Flared type tube fittings--Union cross--Body
491 GB/T 5642.1-1985 擴(kuò)口式焊接管接頭 Flared type tube fittings--Weld male connector--Assembly
492 GB/T 5642.2-1985 擴(kuò)口式焊接管接頭體 Flared type tube fittings--Weld male connector--Body
493 GB/T 5643.1-1985 擴(kuò)口式隔壁直通管接頭 Flared type tube fittings--Bulkhead union--Assembly
494 GB/T 5643.2-1985 擴(kuò)口式隔壁直通管接頭體 Flared type tube fittings--Bulkhead union--Body
495 GB/T 5644.1-1985 擴(kuò)口式隔壁直角管接頭 Flared type tube fittings--Bulkhead union elbow--Assembly
496 GB/T 5644.2-1985 擴(kuò)口式隔壁直角管接頭體 Flared type tube fittings--Bulkhead union elbow--Body
497 GB/T 5645.1-1985 擴(kuò)口式壓力表管接頭 Flared type tube fittings--Connector for pressure gauge--Assembly
498 GB/T 5645.2-1985 擴(kuò)口式壓力表管接頭體 Flared type tube fittings--Connector for pressure gauge--Body
499 GB/T 5646-1985 擴(kuò)口式管接頭管套 Flared type tube fittings--Sleeve
500 GB/T 5647-1985 擴(kuò)口式 A 型管接頭螺母 Flared type tube fittings--Style A nut
501 GB/T 5648-1985 擴(kuò)口式 B 型管接頭螺母 Flared type tube fittings--Style B nut
502 GB/T 5649-1985 擴(kuò)口式管接頭鎖緊螺母 Flared type tube fittings--Locknut
503 GB/T 5650-1985 擴(kuò)口式管接頭空心螺栓 Flared type tube fittings--Inverted flare bolts
504 GB/T 5651-1985 擴(kuò)口式管接頭密合墊 Flared type tube fittings--Seat insert
505 GB/T 5652-1985 擴(kuò)口式管接頭鎖緊螺母墊圈 Flared type tube fittings--Back-up washer
506 GB/T 5653-1985 擴(kuò)口式管接頭技術(shù)條件 Specification for flared type tube fittings
507 GB/T 5779.1-1986 緊固件表面缺陷--螺栓、螺釘和螺柱--一般要求 Surface discontinuities of fasteners on bolts, screws and studs for general requirements
508 GB/T 5779.2-1986 緊固件表面缺陷--螺母--一般要求 Surface discontinuities of fasteners on nuts for general requirements
509 GB/T 5779.3-1986 緊固件表面缺陷--螺栓、螺釘和螺柱--特殊要求 Surface discontinuities of fasteners on bolts screws and studs—Special requirements
510 GB/T 5780-1986 六角頭螺栓--C級 Hexagon head bolts—Product grade C
511 GB/T 5781-1986 六角頭螺栓--全螺紋--C級 Hexagon head bolts—Full thread—Product grade C
512 GB/T 5782-1986 六角頭螺栓--A和B級 Hexagon head bolts—Product grades A and B
513 GB/T 5783-1986 六角頭螺栓--全螺紋 A和B級 Hexagon head bolts—Full thread—Product grades A and B
514 GB/T 5784-1986 六角頭螺栓--細(xì)桿 B級 Hexagon head bolts—Reduced shank—Product grade B
515 GB/T 5785-1986 六角頭螺栓--細(xì)牙--A和B級 Hexagon head bolts—Fine pitch thread—Product grades A and B
516 GB/T 5786-1986 六角頭螺栓--細(xì)牙--全螺紋--A和B級 Hexagon head bolts—Fine pitch t | 