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1、螺纹下孔径表 公制粗牙螺纹 IS 020-1982(單位:mm)螺纹尺寸钻头直径崁合度區分:中(注1）級（注)下孔径崁合度區分:中(註)2級(註）內螺纹小径最小直径最大直径M 1 0.250.750.8 (80%)029.7851.1 .25.85.8 (80%）0.8290.1.2 0.25950.98 (%）0.9290.9854 0.31.11.14 (80%).51.1216 0.351.51.32 (5%)1.2213118 0.351.45152 （7%)1.4211.2 0.161. (80%)1.561679.2 051.75.3 (7%).7131.8382.5 0.52.1
2、. (75%)2.0132.1383 0.5.2.(5%)2.4592.59935 6.3.01 （75%)2.850.0104 73.39 （80%).223.4.5 075383.5 （80%)3.688.87 0.84.4.1 (8%)414.3346 15513 (80%）.97.537 66.13 (80%)5.976.38 1.56.885 (5%)6.66.912 1257.8.85 （5%)7477.9121 .5.58.62 (5%)83768.11 1.59.59.6 (85）.3769.7612 1.751.104 (85%).10610.44114 2122.2 (85
3、%)11312.2101 2414.2 （85%)13.83.21 2.515.515.7 (）.295744 2.517.17 (5)17.2417.74422 2.9.519.2（8%)19.24197442 212.2（5%)0521252 3242.2 (%)23.7524.25230 326.56.6 (90%)26.211273 .29.529.6 (90%).19.771 4332. (0%)1.632.2703 4355.1 (90%)34.6703.042 4.37.537.6 (90%)37123.75 4.40506 （90%）40.94.79948 543431 (90
4、%).5874.29註(1)M.4如下等級:5H、M1.以上等級：6(2）基於JIB 029-1982標準螺纹下孔径表公制細牙螺纹 JIS B 0211-182(單位：m)螺纹尺寸钻头直径崁合度區分:中(注1）2級（注）下孔径崁合度區分:中（註1)級(註2)內螺纹小径最小直径最大直径25 0.3522.22 （75%).1212.213 .3.7.7 (75%).612.73.5 53.3.2 (75%).1231 053.53.59 (75%)3.493.599 0.44.09 （5%）3.94.995 0.54.4.9 （%)449.599.5 0.555.09 (75)4.9590996
5、 535.3 (80)5.1885.378 .5.6.3 (80)6.18.37 177.13 （80)6.9177.138 0757.37.35 (80%）7.1887.38 8.1 (80%)7917.1539 78.38.3 （80)8.18.7810 1.258.885 (8%）8.6789210 19.3 (80%）8.99.510 .7599.35 (80)91889.3711 11010.13 （8%）9.91.511 .7510.31035 （8%)10.1810.3712 1.10.5.62 （8%)1.37.612 1.218105 (85)1.641.91211111.1
6、3 (80)10.971.531 .512.512.62 （85%).37612.614 3133 (80）2.9113.151 1.135136 (85%)3.3763.67615 1144.13 (80%）19174.1516 1514.51.62 （85%)14.3764.716 1515.3 (8%)14.91715317 1.51515.2 (85%)53765.677 161613 （80)591716.1318 2616.2 （85%)1583516.21018 1.56516.62 (%)1631.6618 171.3 （0%）.9177.1320 118. (85)1.851
7、821020 1.1.18.62 (8%）1837618.67620 199.3 (80%)8.9119.1532 220202 (85%)8350210 520.20.6 （85%)20.7620.6622 21113(%)20.1721.15324 2222.2 (85%)1.3.204 52.26 (5%）22.62.67624 123.3(0)22.9723.15325 223232 （85%）22.83523.1025 1523.523.62(85%)23.3763.7625 2424.3 (8%)23974.15螺纹下孔径表 公制細牙螺纹 JIS B 021-192(單位：mm）螺
8、纹尺寸钻头直径崁合度區分:中(注1)2級（注2)下孔径崁合度區分：中（註1)2級(註2）內螺纹小径最小直径最大直径M 2 52.6 (85%）24.7646767 2225.2 (5)4.83525210 1.55.5.6 (5%）25325.627 126.1(80%)5.9761538 222.2 (%)25.83526.2108 1.52.5262 (85%）2.3266768 2727.13 (0%)2617275330 77.2 （85%)2675227.230 28.2 (85）27.8358.21030 1.528.62 (85%)283762.70 299.13(0%）8.919.1532 2330.2 (5%）29.853.2132 1.53053.62 （85）30.3760.67633 030 (%)2.75230.5233 2131. (85%)30.85312033 1531.531. (8%）31.361.6735 1.53.5362(85)3.373.67636 33333.2 (85%)32733.26 3434. (%)3.8353.2036 134.534.2 （85%)34.37634.673 1536.536.62 (5%)36.363.7639 33636.2 (85%)3.7526.239 37
