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 requirements51 GB/T 90-1985 紧固件验收检查、标志与包装 Acceptance inspection,marking and packaging of fasteners
52 GB/T 91-1986 开口销 Split pins
53 GB/T 93-1987 标准型弹簧垫圈 Single coil spring lock washers--Normal type
54 GB/T 94.1-1987 弹性垫圈技术条件 弹簧垫圈 Specifications for spring washers--Single coil spring lock washers
55 GB/T 94.2-1987 弹性垫圈技术条件 齿形、锯齿锁紧垫圈 Specifications for spring washers--Toothed lock and serrated lock washers
56 GB/T 94.3-1987 弹性垫圈技术条件 鞍形、波形弹性垫圈 Specifications for spring washers--Curved and wave spring washers
57 GB/T 95-1985 平垫圈-C级 Plain washers--Product grade C
58 GB/T 272-1993 滚动轴承 代号方法 Rolling bearing--Identification code
59 GB/T 273.1-1987 滚动轴承 圆锥滚子轴承 外形尺寸方案 Rolling bearings Tapered roller bearings--Boundary dimensions
60 GB/T 273.3-1988 滚动轴承 向心轴承 外形尺寸方案 Rolling bearings Radial bearings-Boundary dimensions
61 GB/T 274-1991 滚动轴承 装配倒角极限 Rolling bearing chamfer dimension limits
62 GB/T 275-1993 滚动轴承与轴和外壳的配合 Shaft and housing fits for rolling bearings
63 GB/T 276-1994 滚动轴承 深沟球轴承 外形尺寸 Rolling bearings--Deep groove ball bearings--Boundary dimensions
64 GB/T 280-1964 带毡封圈的单列向心球轴承 结构型式和基本尺寸 Rolling bearings--Single-row radial ball bearings withfelt seals--Types and basic dimensions
65 GB/T 281-1994 滚动轴承 调心球轴承 外形尺寸 Rolling bearings--Self-aligning ball bearings--Boundary dimensions
66 GB/T 283-1994 滚动轴承 圆柱滚子轴承 外形尺寸 Rolling bearings--Cylindrical roller bearings-Boundary dimensions
67 GB/T 285-1994 滚动轴承 双列圆柱滚子轴承 外形尺寸 Rolling bearings--Double row cylindrical roller bearings-Boundary dimensions
68 GB/T 286-1964 双列向心球面滚子轴承 结构型式和基本尺寸 Rolling bearings--Double -row radial spherical roller bearings--Types and basic dimensions
69 GB/T 288-1994 滚动轴承 调心滚子轴承 外形尺寸 Rolling bearings--Self-aligning roller bearings-Boundary dimensions
70 GB/T 289-1964 滚针轴承 结构型式和基本尺寸 Needle roller bearings--Types and basic dimensions
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