| Application | Thread Type | Thread Sketch | Thread Code | Pitch |
| For general industry | Partical Profile 60° |
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60 | 0.5-5.0 (mm) |
| Partical Profile 55° |
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55 | 48-5 (TPI) |
|
| ISO Metric | ![]() |
ISO | 1.0-5.0 (mm) |
|
| UN | ![]() |
UN | 24-8 (TPI) |
|
| Thread for pipe fittings and couplings for gas, water and sewage |
Whitworth | ![]() |
W | 19-11 (TPI) |
| NPT | ![]() |
NPT | 27-8 (TPI) |
|
| Thread for pipe fittings and couplings for gas, steam and water lines |
BSPT | ![]() |
BSPT | 28-11 (TPI) |
| Thread for pipe couplings in food and firefighting industry |
Round (DIN 405) |
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RD | 10-4 (TPI) |