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统一螺纹推荐攻丝钻和通孔尺寸

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使用这些表格可以计算统一螺纹的相关尺寸钻头和间隙孔。

所有尺寸以毫米(mm)为单位。

螺钉尺寸每英寸螺纹数小直径攻丝钻间隙孔钻头 - 所有材料
铝、黄铜和塑料 75% 螺纹不锈钢、钢和铁 50% 螺纹紧密贴合自由适配
数量或直径大直径钻头尺寸十进制当量钻头尺寸十进制当量钻头尺寸十进制当量钻头尺寸十进制当量
00.06800.04473/640.0469550.052520.0635500.07
10.073640.0538530.05951/160.0625480.076460.081
720.056530.0595520.0635
20.086560.0641500.07490.073430.089410.096
640.0668500.07480.076
30.099480.0734470.0785440.086370.104350.11
560.0771450.082430.089
40.112400.0813430.089410.096320.116300.1285
480.0864420.0935400.098
50.125400.0943380.10157/640.1094300.1285290.136
440.0971370.104350.11
60.138320.0997360.1065320.116270.144250.1495
80.164320.1257290.136270.144180.1695160.177
360.1299290.136260.147
100.19240.1389250.1495200.16190.19670.201
320.1517210.159180.1695
120.216240.1649160.177120.18920.22110.228
280.1722140.182100.1935
320.1777130.18590.196
1/40.25200.188770.2017/320.2188F0.257H0.266
280.206230.21310.228
320.21177/320.218810.228
5/160.3125180.2443F0.257J0.277P0.3230.332
240.26140.2729/320.2812
320.27429/320.2812大号0.29
3/80.375160.29835/160.31250.332西0.386X0.397
240.32390.332年代0.348
320.336711/320.3438T0.358
7/160.4375140.34990.36825/640.390629/640.453115/320.4687
200.376225/640.390613/320.4062
280.39370.4040.413
1/20.5130.405627/640.421929/640.453133/640.515617/320.5312
200.438729/640.453115/320.4688
280.456215/320.468815/320.4688
9/160.5625120.460331/640.484433/640.515637/640.578119/320.5938
180.494333/640.515617/320.5312
240.511433/640.515617/320.5312
5/80.625110.513517/320.53129/160.562541/640.640621/320.6562
180.556837/640.578119/320.5938
240.573937/640.578119/320.5938
11/160.6875240.636441/640.640621/320.656245/640.703123/320.6562
3/40.75100.627321/320.656211/160.687549/640.765625/320.7812
160.673311/160.687545/640.7031
200.688745/640.703123/320.7188
13/160.8125200.751249/640.765625/320.781253/640.828127/320.8438
7/80.87590.738749/640.765651/640.796957/640.890629/320.9062
140.787413/160.812553/640.8281
200.813753/640.828127/320.8438
15/160.9375200.876257/640.890629/320.906261/640.953131/320.9688
1180.84667/80.87559/640.92191-1/641.01561-1/321.0313
120.897815/160.937561/640.9531
200.938761/640.953131/320.9688
1-1/161.0625180.9943111-1/641.01561-5/641.07811-3/321.0938
1-1/81.12570.949763/640.98441-1/321.03131-9/641.14061-5/321.1562
121.02281-3/641.04691-5/641.0781
181.05681-1/161.06251-5/641.0781
1-3/161.1875181.11931-1/81.1251-9/641.14061-13/641.20311-7/321.2188
1-1/41.2571.07471-7/641.10941-5/321.15621-17/641.26561-9/321.2812
121.14781-11/641.17191-13/641.2031
181.18181-3/161.18751-13/641.2031
1-5/161.3125181.24431-1/41.251-17/641.26561-21/641.32811-11/321.3438
1-3/81.37561.17051-7/321.21871-17/641.26561-25/641.39061-13/321.4062
121.27281-19/641.29691-21/641.3281
181.30681-5/161.31251-21/641.3281
1-7/161.4375181.36931-3/81.3751-25/641.39061-29/641.45311-15/321.4688
1-1/21.561.29551-11/321.34371-25/641.39061-33/641.51561-17/321.5312
121.39781-27/641.42191-7/161.4375
181.43181-7/161.43751-29/641.4531
1-9/161.5625181.49431-121.51-33/641.51561-37/641.57811-19/321.5938
1-5/81.625181.55681-9/161.56251-37/641.57811-41/641.64061-21/321.6562
1-11/161.6875181.61931-5/81.6251-41/641.64061-45/641.70311-23/321.7188
1-3/41.7551.50461-9/161.56251-5/81.6251-49/641.76591-25/321.7812

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