knowledge:mechanical:2022121601
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knowledge:mechanical:2022121601 [2022/12/23 05:35] – [3] 董凯萍 | knowledge:mechanical:2022121601 [2023/06/07 04:23] (当前版本) – 外部编辑 127.0.0.1 | ||
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===== 常用管螺纹钻底孔头直径速查表 | ===== 常用管螺纹钻底孔头直径速查表 | ||
+ | ^55°圆锥管螺纹(RC)^^60°圆锥管螺纹(NPT)^^圆柱管螺纹(G)^^ | ||
+ | ^公称直径^钻头直径(mm)^公称直径^钻头直径(mm)^公称直径^钻头直径(mm)^ | ||
+ | | 1/8 | 8.6 | 1/8 | 8.6 | 1/8 | | ||
+ | | 1/4 | 11.5 | 1/4 | 11.1 | 1/4 | | ||
+ | | 3/8 | 15 | 3/8 | 14.5 | 3/8 | | ||
+ | | 1/2 | 18.5 | 1/2 | 18 | 1/2 | | ||
+ | | 3/4 | 24 | 3/4 | 23.25(铰刀2334-208) | ||
+ | | 1 | 30.25 | 1 | 29.5(铰刀2334-224) | ||
+ | | 1 1/4 | 39 | 1 1/4 | 38(铰刀2334-223) | ||
+ | | 1 1/2 | 45 | 1 1/2 | 44 | 1 1/2 | | ||
+ | | 2 | 56.5 | 2 | 56(铰刀2334-214) | ||
+ | | 2 1/2 | 72.2 | 2 1/2 | 66(需铰孔) | ||
+ | | 3 | 85 | 3 | 82.5(铰刀2334-214) | ||
+ | | 4 | 110 | 3 1/2 | 95.5(需铰孔) | ||
+ | | 5 | 135.5 | 4 | 108(需铰孔) | ||
+ | | 6 | 161 | 5 | 133.5(需铰孔) | ||
+ | | | | 6 | 159(需铰孔) |
knowledge/mechanical/2022121601.txt · 最后更改: 2023/06/07 04:23 由 127.0.0.1