
ANSI HT-CI Hand Taps for Cast Irons
| Size | Class | Code | Chamfer | L (inch) | ℓ (inch) | Ds (inch) | K (inch) | ℓk (inch) | No. of flutes | TYPE |
| 3/8-24UNF | GH3 | Y86018 | 1.5P | 2.937 | 1.25 | 0.381 | 0.286 | 0.437 | l 4 | 2 |
| 7/16-14UNC | GH3 | Y86019 | 4P | 3.156 | 1.437 | 0.323 | 0.242 | 0.406 | 4 | 3 |
| 7/16-14UNC | GH3 | Y86020 | 1.5P | 3.156 | 1.437 | 0.323 | 0.242 | 0.406 | 4 | 3 |
| 7/16-14UNC | GH5 | Y86021 | 4P | 3.156 | 1.437 | 0.323 | 0.242 | 0.406 | 4 | 3 |
| 7/16-14UNC | GH5 | Y86022 | 1.5P | 3.156 | 1.437 | 0.323 | 0.242 | 0.406 | 4 | 3 |
| 7/16-20UNF | GH3 | Y86023 | 4P | 3.156 | 1.437 | 0.323 | 0.242 | 0.406 | 4 | 3 |
| 7/16-20UNF | GH3 | Y86024 | 1.5P | 3.156 | 1.437 | 0.323 | 0.242 | 0.406 | 4 | 3 |
| 7/16-20UNF | GH5 | Y86025 | 4P | 3.156 | 1.437 | 0.323 | 0.242 | 0.406 | 4 | 3 |
| 7/16-20UNF | GH5 | Y86026 | 1.5P | 3.156 | 1.437 | 0.323 | 0.242 | 0.406 | 4 | 3 |
| 1/2-13UNC | GH3 | Y86027 | 4P | 3.375 | 1.656 | 0.367 | 0.275 | 0.437 | 4 | 3 |
| 1/2-13UNC | GH3 | Y86028 | 1.5P | 3.375 | 1.656 | 0.367 | 0.275 | 0.437 | 4 | 3 |
| 1/2-13UNC | GH5 | Y86029 | 4P | 3.375 | 1.656 | 0.367 | 0.275 | 0.437 | 4 | 3 |
| 1/2-13UNC | GH5 | Y86030 | 1.5P | 3.375 | 1.656 | 0.367 | 0.275 | 0.437 | 4 | 3 |
| 1/2-20UNF | GH3 | Y86031 | 4P | 3.375 | 1.656 | 0.367 | 0.275 | 0.437 | 4 | 3 |
| 1/2-20UNF | GH3 | Y86032 | 1.5P | 3.375 | 1.656 | 0.367 | 0.275 | 0.437 | 4 | 3 |
| 1/2-20UNF | GH5 | Y86033 | 4P | 3.375 | 1.656 | 0.367 | 0.275 | 0.437 | 4 | 3 |
| 1/2-20UNF | GH5 | Y86034 | 1.5P | 3.375 | 1.656 | 0.367 | 0.275 | 0.437 | 4 | 3 |
| 9/16-12UNC | GH3 | Y86035 | 4P | 3.593 | 1.656 | 0.429 | 0.322 | 0.5 | 4 | 3 |
| 9/16-12UNC | GH3 | Y86036 | 1.5P | 3.593 | 1.656 | 0.429 | 0.322 | 0.5 | 4 | 3 |
| 9/16-18UNF | GH3 | Y86037 | 4P | 3.593 | 1.656 | 0.429 | 0.322 | 0.5 | 4 | 3 |
| 9/16-18UNF | GH3 | Y86038 | 1.5P | 3.593 | 1.656 | 0.429 | 0.322 | 0.5 | 4 | 3 |
| 5/8-11UNC | GH3 | Y86039 | 4P | 3.812 | 1.812 | 0.48 | 0.36 | 0.562 | 4 | 3 |
| 5/8-11UNC | GH3 | Y86040 | 1.5P | 3.812 | 1.812 | 0.48 | 0.36 | 0.562 | 4 | 3 |
| 5/8-18UNF | GH3 | Y86041 | 4P | 3.812 | 1.812 | 0.48 | 0.36 | 0.562 | 4 | 3 |
| 5/8-18UNF | GH3 | Y86042 | 1.5P | 3.812 | 1.812 | 0.48 | 0.36 | 0.562 | 4 | 3 |
| 3/4-10UNC | GH3 | Y86043 | 4P | 4.25 | 2 | 0.59 | 0.422 | 0.687 | 4 | 3 |
| 3/4-10UNC | GH3 | Y86044 | 1.5P | 4.25 | 2 | 0.59 | 0.422 | 0.687 | 4 | 3 |
| 3/4-16UNF | GH3 | Y86045 | 4P | 4.25 | 2 | 0.59 | 0.422 | 0.687 | 4 | 3 |
| 3/4-16UNF | GH3 | Y86046 | 1.5P | 4.25 | 2 | 0.59 | 0.422 | 0.687 | 4 | 3 |