Thread Profile Dimensions
| Property | mm | Inch |
|---|---|---|
| Nominal Pipe Size (Ø) | 3/4" | ... |
| Pitch (TPI) (P) | 14 | ... |
| Pitch (Distance) (P) | 1.814 | 0.0714 |
| Thread V half Angle (α) | 27.5° | 27.5° |
| Height of sharp V (H) | 1.743 | 0.0686 |
| Thread height (h) | 1.162 | 0.0457 |
| Root/Crest Radius (r) | 0.249 | 0.0098 |
| Major Diameter (D) | 26.441 | 1.041 |
| Pitch Diameter (D2) | 25.279 | 0.9952 |
| Minor Diameter (D1) | 24.118 | 0.9495 |
| Tap Drill Size (Td) | 24.0 | 0.9449 |
| Tolerance onD1, D2 & D3 | ±0.142 | ±0.0056 |
| BSPT Series | Internal Parallel (Rp) |
| Matching external Thread | BSPT R 3/4 |
| Relevant Standards | ISO 7-1, ISO 7-2 |
