77 GB/T 300-1995 滾動軸承 四列圓錐滾子軸承外形尺寸 Rolling bearings--Four row tapered roller bearings--Boundary dimensions
78 GB/T 301-1995 滾動軸承 推力球軸承 外形尺寸 Rolling bearings--Thrust ball bearings--Boundary dimensions
79 GB/T 304.1-1988 關節軸承 分類 Spherical plain bearings Classification
80 GB/T 304.2-1988 關節軸承 代號方法 Spherical plain bearings Identification code
81 GB/T 304.3-1990 關節軸承 配合 Spherical plain bearings-Fits
82 GB/T 304.9-1981 向心關節軸承 技術條件 Spherical plain radial bearings, joint type--Technical requirements
83 GB/T 304.10-1989 關節軸承公差 Spherical plain bearings-Tolerances
84 GB/T 307.1-1994 滾動軸承 向心軸承 公差 Rolling bearings--Radial bearings--Tolerances
85 GB/T 307.2-1995 滾動軸承 測量和檢驗的原則及方法 Rolling bearings--Measuring and gauging principles and methods
86 GB/T 307.3-1996 滾動軸承 通用技術規則 Rolling bearings--General technical regulations
87 GB/T 307.4-1994 滾動軸承 推力球軸承 公差 Rolling bearings--Thrust ball bearings--Tolerances
88 GB/T 308-1989 滾動軸承 鋼球 Rolling bearings-Steel balls
89 GB/T 309-1984 滾動軸承 滾針 Rolling bearings--Needle rollers
90 GB/T 794-1993 加強半圓頭方頸螺栓 Strengthened cap head square neck bolts
91 GB/T 798-1988 活節螺栓 Eye bolts
92 GB/T 799-1988 地腳螺栓 Eyelet bolts
93 GB/T 800-1988 沉頭雙榫螺栓 Flat countersunk double nib bolts
94 GB/T 802-1988 組合式蓋形螺母 Acorn nuts
95 GB/T 804-1988 球面六角螺母 Hexagon nuts with raised face
96 GB/T 805-1988 扣緊螺母 Tight nuts
97 GB/T 806-1988 滾花高螺母 Knurled nut with collar
98 GB/T 807-1988 滾花薄螺母 Knurled nuts
99 GB/T 808-1988 小六角特扁細牙螺母 Small hexagon thin nuts-Fine pitch thread
100 GB/T 809-1988 嵌裝圓螺母 Insert round nuts