JBT 7384.5-1994 紧固件 内六角量规

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1、准标网www.zhunbiao.com免费下载J13JB/T7384.5－1994紧固件内六角量规1994-07-26发布1995-07-01实施中华人民共和国机械工业部发布准标网www.zhunbiao.com免费下载中华人民共和国机械行业标准JB/T7384.5－1994紧固件内六角量规1主题内容与适用范围本标准规定了检测内六角螺钉的内六角对边宽度、对角宽度及内六角孔深度的量规型式和尺寸。本标准适用于ZBJ13002.1表2第13、14和15项。2引用标准GB1957光滑极限量规GB3103.1紧固件公差螺栓、螺钉

2、和螺母ZBJ13002.1紧固件测试方法螺栓、螺钉、螺柱和螺母的尺寸与几何精度3型式和尺寸3.1通规的型式和尺寸按图1及表1的规定。图1表1mm螺纹规格M1.6M2M2.5M3M41)1)1)1)1)s公称0.71.50.91.51.321.52.523基本尺寸0.8031)1)1)1)1)eT1.731.0031.731.4272.301.732.872.303.44sT基本尺寸0.7111.520.8891.521.272.021.522.522.023.02极限+0.0028+0.0052+0.004+0.005

3、2+0.004+0.0052+0.004+0.0075+0.004+0.0075偏差+0.0012+0.0028+0.002+0.0028+0.002+0.0028+0.002+0.0045+0.002+0.0045基本尺寸0.71.50.70.81.711.22.01.11.22.01.31.52.52tT极限+0.05偏差+0.03dT0.51.30.71.31.11.81.32.31.82.8xT2机械工业部1994-07-26批准1995-07-01实施1准标网www.zhunbiao.com免费下载JB/T7

4、384.5－1994续表1mm螺纹规格M5M6M8M101)1)1)1)s公称2.54354658e基本尺寸2.874.583.441)5.724.581)6.865.721)9.15TsT基本尺寸2.524.023.025.024.026.025.028.025极限+0.0052+0.0010+0.0075+0.0135+0.010+0.0135+0.010+0.0016偏差+0.0028+0.0006+0.0045+0.0085+0.006+0.0085+0.006+0.0010基本尺寸2.032.52.03.53

5、354465tT极限+0.05+0.0625偏差+0.03+0.0375dT2.33.52.84.53.55.54.57xT2螺纹规格M12M14M161)1)s公称61012814e基本尺寸6.861)11.4313.729.151)16.00TsT基本尺寸6.0210.02512.0328.02514.032极限+0.010+0.016+0.0185+0.0115+0.0185偏差+0.006+0.010+0.0115+0.0065+0.0115基本尺寸4.88.0676.4108tT极限+0.0625+0.075

6、+0.06+0.075偏差+0.0375+0.045+0.04+0.045dT5.5911713xT2螺纹规格M20M24M30M361)1)s公称101712192227e基本尺寸11.431)19.4413.721)21.7325.1530.85TsT基本尺寸10.02517.0512.03219.06522.06527.065极限+0.014+0.022+0.014+0.022偏差+0.008+0.014+0.008+0.014基本尺寸8121010151215.519tT极限+0.075+0.093+0.075

7、+0.093+0.11偏差+0.045+0.058+0.045+0.058+0.07dT91611182126xT2注：1)仅适用于内六角紧定螺钉。3.2止规的型式和尺寸按图1及表2的规定。2准标网www.zhunbiao.com免费下载JB/T7384.5－1994表2mm螺纹规格M1.6M2M2.5M3M41)1)1)1)1)s公称0.71.50.91.51.321.52.523s2)Z基本尺寸0.7241.5450.9021.5451.2952.0451.5452.562.0453.08基本尺寸—1.56—1.5

8、6—2.06—2.58—3.080000极限偏差–0.002–0.0024–0.003–0.004eZ0.350.750.450.750.6510.751.2511.5tZ0.50.71d—Zx—Z螺纹规格M5M6M8M10M121)1)1)1)1)s公称2.54354658610s2)Z基本尺寸2.564.0953.085.09