
| Overall Chamfer + | Thread | Thread+Neck | Shank | Shank | Size of | Length of |
| length full thread | length | length | length | dia. | square | square |
| L ℓt | ℓ | ℓn | ℓs | Ds | K | ℓk |
| Size | Class | Code | Chamfer | L (inch) | ℓ (inch) | ℓn (inch) | ℓs (inch) | Ds (inch) | K (inch) | ℓk (inch) | No. of flutes | Type |
| STI 7/16-14UNC | GH2 GH3 | SUU07Q2NEX SUU07Q3NEX | 2P | 4.331 | 1.024 | - | 2.205 | 0.429 | 0.322 | 0.5 | 3 | 3 |
| STI 7/16-20UNF | GH2 GH3 | SUU07N2NEX SUU07N3NEX | 2P | 4.331 | 1.024 | - | 2.205 | 0.429 | 0.322 | 0.5 | 3 | 3 |
| STI 1/2-13UNC | GH2 GH3 | SUU08R2NEX SUU08R3NEX | 2P | 4.331 | 1.024 | - | 2.205 | 0.480 | 0.36 | 0.562 | 3 | 3 |
| STI 1/2-20UNF | GH2 GH3 | SUU08N2NEX SUU08N3NEX | 2P | 4.331 | 1.024 | - | 2.205 | 0.480 | 0.36 | 0.562 | 3 | 3 |