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上海吉都国际贸易有限公司
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info@guido-tools.com
上海市松江区茸梅路345号3栋
British Standard Pipe Parallel Thread, with sealant compound,(parallel,
cylindrical), external = G.
The flank angle is 55°.
| Nominal | Major | Major | Minor Diamter | Tapping | TPI | Pitch |
| Diameter | Diameter | Diameter | Nut | Drill Size | mm | |
| Inch | mm | mm | mm | |||
| G 1/16" | 0.063 | 7.722 | 6.837 | 6.561 | 28 | 0.907 |
| G 1/8" | 0.125 | 9.728 | 8.841 | 8.565 | 28 | 0.907 |
| G 1/4" | 0.250 | 13.157 | 11.863 | 11.445 | 19 | 1.337 |
| G 3/8" | 0.375 | 16.662 | 15.389 | 14.950 | 19 | 1.337 |
| G 1/2" | 0.500 | 20.955 | 19.200 | 18.633 | 14 | 1.814 |
| G 3/4" | 0.750 | 26.441 | 24.772 | 24.120 | 14 | 1.814 |
| G 1" | 1.000 | 33.249 | 31.014 | 30.292 | 11 | 2.309 |
| G 1 1/4" | 1.250 | 41.910 | 39.819 | 38.953 | 11 | 2.309 |
| G 1 1/2" | 1.500 | 47.803 | 45.712 | 44.846 | 11 | 2.309 |
| G 2" | 2.000 | 59.614 | 57.722 | 56.657 | 11 | 2.309 |
| G 2 1/2" | 2.500 | 75.184 | 73.391 | 72.227 | 11 | 2.309 |
| G 3" | 3.000 | 87.884 | 86.289 | 84.927 | 11 | 2.309 |
| G 4" | 4.000 | 113.030 | 111.733 | 110.073 | 11 | 2.309 |
| G 5" | 5.000 | 138.430 | 137.332 | 135.473 | 11 | 2.309 |
| G 6" | 6.000 | 163.830 | 162.732 | 160.873 | 11 | 2.309 |
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