基本信息

---

下载

文档摘要

---

螺丝攻牙钻孔径和滚造径对照表

英制管螺纹英制管螺纹

钻孔径标准径

规格标准径规格

最大最小使用纹刀时

PS1/16-286.506.6326.490PT1/16-286.10

PS1/8-288.508.6378.495PT1/8-288.10

PS1/4-1911.4011.54911.341PT1/4-1910.70

PS3/8-1915.0015.05414.846PT3/8-1914.20

PS1/2-1418.5018.77318.489PT1/2-1417.60

PS3/4-1424.0024.25923.975PT3/4-1423.00

PS1-1130.2030.47130.111PT1-1129.00

PS1-1/4-1138.8039.13238.772PT1-1/4-1137.50

PS1-1/2-1144.8045.02544.665PT1-1/2-1143.40

PS2-1156.5056.83656.476PT2-1154.90

螺丝攻牙钻孔径和滚造径对照表

英制管螺纹美制管螺纹

标准径有交牙部之长度标准长度（最钻孔径

（最小）中之毋小）中之毋螺牙规格NPT

不用纹刀时螺牙内径内径

使用绞刀时不用绞刀时

6.206.2446.3841/16-276.106.25

8.208.2498.3881/8-278.338.43

11.001