国内机床设备常见60度公制螺纹和55度英制螺纹尺寸规格表

Author：安。
发布时间：September 28, 2019
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Categories：机械工控

> 机上设备上的螺纹非我锁紧螺纹和传动螺纹,先来分享一下锁紧螺纹内我个人比较懵的**英制螺纹**
> 先说一下我的懵点(老师傅们采用的不是标准,采用的是约定成俗的习俗.而每个区域货行业的习俗可能都不相同,所以不具有宽泛>性.):
> 
> 1. 老师傅们口中的说的英制螺纹一般是国内比较常见的英制55度但有可能美制60度的.
> 2. 好了确定完英制55度后,老师傅们说的G螺纹有可能是说的是用的比较多的PT ZG或者RC
> 3. 从RC引申出了新老国标的问题,公称直径 DN20、6分、3/4 我是懵的一圈?

好了牢骚完了说正题吧!归纳一下吧,个人从标准手册归纳总结.非官方.

## 英制螺纹尺寸对照表

### 英制螺纹标准规格表 55° ( 密封用圆锥管螺纹 1:16 )

| in英寸 | N牙数 |  P螺距  | D大径  | D1小径  | DN公称  | H牙高  | 装备余量  | 有效长度  | 基准距离 |
| --- | --- | --- |--- | --- | --- |--- | --- | --- |--- | --- | --- |
ZG1/16" | 28 | 0.907 | 7.723 | 6.561 | 未知 | 0.581 | 2.5 | 6.5 | 4.0 |
ZG1/8"  | 28 | 0.907 | 9.728 | 8.566 | 6 | 0.581 | 2.5 | 6.5 | 4.0 |
ZG1/4"  | 19 | 1.337 | 13.157| 11.445|8  |0.856  | 3.7 | 9.7 | 6.0 |
ZG3/8"  | 19 | 1.337 | 16.662| 14.95 |10 |0.856  | 3.7 |10.1 | 6.4 |
ZG1/2"  | 14 | 1.814 | 20.955| 18.631|15 |1.162  | 5.0 |13.2 | 8.2 |
ZG3/4"  |14  |1.814  |26.441 | 24.117|20 |1.162  | 5.0 |14.5 | 9.5 |
ZG1"    |11  |2.309  |33.249 |30.291 |25 |1.479  |6.4  |16.8 |10.4 |
ZG1-1/4"| 11 |2.309  |41.91  |38.952 |32 |1.479  |6.4 |19.1 | 12.7 |
ZG1-1/2"| 11 |2.309  |47.803 |44.845 |40 |1.479  |6.4 |19.1 |12.7  |
ZG2"    | 11 |2.309  |59.614 |56.656 |50 |1.479  |7.5 |23.4 |15.9  |
ZG2-1/2"| 11 |2.309  |75.184 |72.226 |65 |1.479  |9.2 |26.7 |17.5  |
ZG3"    | 11 |2.309  |87.884 |84.926 |80 |1.479  |9.2 |29.8 |20.6  |
ZG4"    |11  |2.309  |113.03 |110.072|100|1.479  |10.4|35.8 |25.4  |
ZG5"    |11  |2.309  |138.43 |135.472|125|1.479  |11.5|40.1 |28.6  |
ZG6"    | 11 |2.309  |163.83 |160.872|150|1.479 |11.5| 40.1 |28.6  |

> 注:1英寸in =25.4mm  引用GB/T7306.1、7306.2-2000 GB/T7306.1/7306.2-2000整理

### 英制螺纹标准规格表 55° ( 非密封 )

| in英寸 | N牙数 |  P螺距  | D大径  | D1小径  |
| --- | --- | --- |--- | --- | 
G1/16"|28|0.907|7.723|6.561
G1/8"|28|0.907|9.728|8.566
G1/4"|19|1.337|13.157|11.445
G3/8"|19|1.337|16.662|14.95
G1/2"|14|1.814|20.955|18.631
G5/8"|14|1.814|22.911|20.587
G3/4"|14|1.814|26.441|24.117
G7/8"|14|1.814|30.201|27.877
G1"|11|2.309|33.249|30.291
G1-1/8"|11|2.309|37.897|34.939
G1-1/4"|11|2.309|41.91|38.952
G1-1/2"|11|2.309|47.803|44.845
G1-3/4"|11|2.309|53.746|50.788
G2"|11|2.309|59.614|56.656
G2-1/4"|11|2.309|65.71|62.752
G2-1/2"|11|2.309|75.184|72.226
G2-3/4"|11|2.309|81.534|78.578
G3"|11|2.309|87.884|84.926
G3-1/2"|11|2.309|100.33|97.372
G4"|11|2.309|113.03|110.072
G5"|11|2.309|138.43|135.472
G6"|11|2.309|163.83|160.872

注:1英寸in =25.4mm  引用GB/T 7307-2001整理

### ISO 60度 公制螺纹标准规格表

| 规格 | 标准底孔 | 2级max | 2级min |
| --- | --- | --- |--- |
M1.0×0.2	 | 0.8 | 0.821 | 0.783
M1.1×0.2|0.9|0.921|0.883
M1.2×0.2|1|1.021|0.983
M1.4×0.2|1.2|1.221|1.183
M1.6×0.2|1.4|1.421|1.383
M1.7×0.2|1.45|1.5|1.46
M1.8×0.2|1.6|1.621|1.583
M2.0×0.25|1.75|1.785|1.729
M2.2×0.25|1.95|1.985|1.929
M2.3×0.25|2.05|2.061|2.001
M2.5×0.35|2.2|2.221|2.121
M2.6×0.35|2.2|2.246|2.186
M3.0×0.35|2.7|2.721|2.621
M3.5×0.35|3.2|3.221|0.121
M4.0×0.50|3.5|3.599|3.459
M4.5×0.5|4|4.099|3.959
M5.0×0.5|4.5|4.599|4.459
M5.5×0.5|5|5.099|4.959
M6.0×0.5|5.5|5.55|5.4
M6.0×0.75|5.3|5.378|5.188
M7.0×0.5|6.5|6.55|6.4
M7.0×0.75|6.3|6.378|6.188
M8.0×0.50|7.5|7.52|7.4
M8.0×0.75|7.3|7.378|7.188
M8.0×1.0|7|7.153|6.917
M9.0×0.75|8.3|8.378|8.188
M9.0×1.0|8|8.153|7.917
M10×0.5|9.5|9.52|9.4
M10×0.75|9.3|9.378|9.188
M10×1.0|9|9.153|8.917
M10×1.25|8.8|8.312|8.647
M11×0.75|10.3|10.378|10.188
M11×1.0|10|10.153|9.917
M12×1.25|10.8|10.912|10.647
M12×1.5|10.5|10.576|10.376
M18×2.5|15.5|15.744|15.294
M20×2.5|17.5|17.744|17.294
M22×2.5|19.5|19.744|19.294
M24×3.0|21|21.252|20.752
M27×1.0|26|26.153|25.917
M27×1.5|25.5|25.676|24.376
M27×2.0|25|25.21|24.835
M27×3.0|24|24.252|23.752
M28×1.0|27|27.153|26.917
M28×1.5|26.5|26.676|26.376
M28×2.0|26|26.21|25.835
M30×1.0|29|29.153|28.917
M30×1.5|28.5|28.676|28.376
M30×3.0|27|27.252|26.752
M30×3.5|26.5|26.771|26.211
M32×1.5|30.5|30.676|30.376
M32×2.0|30|30.21|29.835
M33×1.5|31.5|31.676|31.376
M33×2.0|31|31.21|30.835
M33×3.0|30|30.252|29.752
M35×1.5|33.5|33.676|33.376
M36×1.5|34.5|34.676|34.376
M36×2.0|34|34.21|33.835
M36×3.0|33|33.252|32.752
我去markdown果然不适合表格,累的手疼.

Last modification：October 19, 2020