
■ Hand tap to cut internal threads for helical coil to enter. Oxide
Low carbon steels Medium carbon steels
(m/min) (m/min)
Segment:1A
| Size | Class | Code | Chamfer | L (inch) | ℓ (inch) | ℓn (inch) | ℓs (inch) | Ds (inch) | K (inch) | ℓk (inch) | No. of flutes | TYPE |
| For i | Unified | i Thread | i s | l | ||||||||
| No.2-56UNC | GH1 | TUUN2E1NEX5 | 5P | 2.205 | 0.354 | 0.709 | 1.28 | 0.141 | 0.11 | 0.187 | 3 | 1 |
| No.2-56UNC | GH1 | TUUN2E1NEXA | 1.5P | 2.205 | 0.354 | 0.709 | 1.28 | 0.141 | 0.11 | 0.187 | 3 | 1 |
| No.2-56UNC | GH2 | TUUN2E2NEX5 | 5P | 2.205 | 0.354 | 0.709 | 1.28 | 0.141 | 0.11 | 0.187 | 3 | 1 |
| No.2-56UNC | GH2 | TUUN2E2NEXA | 1.5P | 2.205 | 0.354 | 0.709 | 1.28 | 0.141 | 0.11 | 0.187 | 3 | 1 |
| No.4-40UNC | GH1 | TUUN4H1NEX5 | 5P | 2.48 | 0.512 | 0.827 | 1.496 | 0.168 | 0.131 | 0.25 | 3 | 1 |
| No.4-40UNC | GH1 | TUUN4H1NEXA | 1.5P | 2.48 | 0.512 | 0.827 | 1.496 | 0.168 | 0.131 | 0.25 | 3 | 1 |
| No.4-40UNC | GH2 | TUUN4H2NEX5 | 5P | 2.48 | 0.512 | 0.827 | 1.496 | 0.168 | 0.131 | 0.25 | 3 | 1 |
| No.4-40UNC | GH2 | TUUN4H2NEXA | 1.5P | 2.48 | 0.512 | 0.827 | 1.496 | 0.168 | 0.131 | 0.25 | 3 | 1 |
| No.6-32UNC | GH1 | TUUN6J1NEX5 | 5P | 2.756 | 0.551 | 0.945 | 1.654 | 0.194 | 0.131 | 0.25 | 3 | 1 |
| No.6-32UNC | GH1 | TUUN6J1NEXA | 1.5P | 2.756 | 0.551 | 0.945 | 1.654 | 0.194 | 0.131 | 0.25 | 3 | 1 |
| No.6-32UNC | GH2 | TUUN6J2NEX5 | 5P | 2.756 | 0.551 | 0.945 | 1.654 | 0.194 | 0.131 | 0.25 | 3 | 1 |
| No.6-32UNC | GH2 | TUUN6J2NEXA | 1.5P | 2.756 | 0.551 | 0.945 | 1.654 | 0.194 | 0.131 | 0.25 | 3 | 1 |
| No.8-32UNC | GH1 | TUUN8J1NEX5 | 5P | 3.15 | 0.591 | 0.984 | 1.929 | 0.22 | 0.165 | 0.281 | 3 | 1 |
| No.8-32UNC | GH1 | TUUN8J1NEXA | 1.5P | 3.15 | 0.591 | 0.984 | 1.929 | 0.22 | 0.165 | 0.281 | 3 | 1 |
| No.8-32UNC | GH2 | TUUN8J2NEX5 | 5P | 3.15 | 0.591 | 0.984 | 1.929 | 0.22 | 0.165 | 0.281 | 3 | 1 |
| No.8-32UNC | GH2 | TUUN8J2NEXA | 1.5P | 3.15 | 0.591 | 0.984 | 1.929 | 0.22 | 0.165 | 0.281 | 3 | 1 |