
N-RZ Roll Taps for Steels ANSI
| Size | Class | Code | Chamfe | r L (inch) | ℓ (inch) | ℓn (inch) | ℓs (inch) | Ds (inch) | K (inch) | ℓk (inch) | Lobe | TYPE |
| No.8-36UNF | H5 | 389453M | 4P | 2.48 | 0.512 | 0.827 | 1.535 | 0.168 | 0.131 | 0.25 | 4 | 2 |
| No.8-36UNF | H5 | 389451M | 2P | 2.48 | 0.512 | 0.827 | 1.535 | 0.168 | 0.131 | 0.25 | 4 | 2 |
| No.10-24UNC | H4 | 389456M | 4P | 2.756 | 0.551 | 0.945 | 1.654 | 0.194 | 0.152 | 0.25 | 4 | 2 |
| No.10-24UNC | H4 | 389454M | 2P | 2.756 | 0.551 | 0.945 | 1.654 | 0.194 | 0.152 | 0.25 | 4 | 2 |
| No.10-24UNC | H6 | 389457M | 4P | 2.756 | 0.551 | 0.945 | 1.654 | 0.194 | 0.152 | 0.25 | 4 | 2 |
| No.10-24UNC | H6 | 389455M | 2P | 2.756 | 0.551 | 0.945 | 1.654 | 0.194 | 0.152 | 0.25 | 4 | 2 |
| No.10-32UNF | H4 | 389460M | 4P | 2.756 | 0.551 | 0.945 | 1.654 | 0.194 | 0.152 | 0.25 | 4 | 2 |
| No.10-32UNF | H4 | 389458M | 2P | 2.756 | 0.551 | 0.945 | 1.654 | 0.194 | 0.152 | 0.25 | 4 | 2 |
| No.10-32UNF | H6 | 389461M | 4P | 2.756 | 0.551 | 0.945 | 1.654 | 0.194 | 0.152 | 0.25 | 4 | 2 |
| No.10-32UNF | H6 | 389459M | 2P | 2.756 | 0.551 | 0.945 | 1.654 | 0.194 | 0.152 | 0.25 | 4 | 2 |
| No.12-24UNC | H4 | 389464M | 4P | 3.15 | 0.591 | 0.984 | 1.953 | 0.22 | 0.165 | 0.281 | 4 | 2 |
| No.12-24UNC | H4 | 389462M | 2P | 3.15 | 0.591 | 0.984 | 1.953 | 0.22 | 0.165 | 0.281 | 4 | 2 |
| No.12-24UNC | H6 | 389465M | 4P | 3.15 | 0.591 | 0.984 | 1.953 | 0.22 | 0.165 | 0.281 | 4 | 2 |
| No.12-24UNC | H6 | 389463M | 2P | 3.15 | 0.591 | 0.984 | 1.953 | 0.22 | 0.165 | 0.281 | 4 | 2 |
| No.12-28UNF | H4 | 389468M | 4P | 3.15 | 0.591 | 0.984 | 1.953 | 0.22 | 0.165 | 0.281 | 4 | 2 |
| No.12-28UNF | H4 | 389466M | 2P | 3.15 | 0.591 | 0.984 | 1.953 | 0.22 | 0.165 | 0.281 | 4 | 2 |
| No.12-28UNF | H6 | 389469M | 4P | 3.15 | 0.591 | 0.984 | 1.953 | 0.22 | 0.165 | 0.281 | 4 | 2 |
| No.12-28UNF | H6 | 389467M | 2P | 3.15 | 0.591 | 0.984 | 1.953 | 0.22 | 0.165 | 0.281 | 4 | 2 |
| 1/4-20UNC | H4 | 389472M | 4P | 3.15 | 0.591 | 1.181 | 1.713 | 0.255 | 0.191 | 0.312 | 4 | 2 |
| 1/4-20UNC | H4 | 389470M | 2P | 3.15 | 0.591 | 1.181 | 1.713 | 0.255 | 0.191 | 0.312 | 4 | 2 |
| 1/4-20UNC | H6 | 389473M | 4P | 3.15 | 0.591 | 1.181 | 1.713 | 0.255 | 0.191 | 0.312 | 4 | 2 |
| 1/4-20UNC | H6 | 389471M | 2P | 3.15 | 0.591 | 1.181 | 1.713 | 0.255 | 0.191 | 0.312 | 4 | 2 |
| 1/4-28UNF | H4 | 389476M | 4P | 3.15 | 0.591 | 1.181 | 1.713 | 0.255 | 0.191 | 0.312 | 4 | 2 |
| 1/4-28UNF | H4 | 389474M | 2P | 3.15 | 0.591 | 1.181 | 1.713 | 0.255 | 0.191 | 0.312 | 4 | 2 |
| 1/4-28UNF | H6 | 389477M | 4P | 3.15 | 0.591 | 1.181 | 1.713 | 0.255 | 0.191 | 0.312 | 4 | 2 |
| 1/4-28UNF | H6 | 389475M | 2P | 3.15 | 0.591 | 1.181 | 1.713 | 0.255 | 0.191 | 0.312 | 4 | 2 |
| 5/16-18UNC | H5 | 389480M | 4P | 3.543 | 0.748 | 1.378 | 1.831 | 0.318 | 0.238 | 0.375 | 6 | 3 |
| 5/16-18UNC | H5 | 389478M | 2P | 3.543 | 0.748 | 1.378 | 1.831 | 0.318 | 0.238 | 0.375 | 6 | 3 |
| 5/16-18UNC | H7 | 389481M | 4P | 3.543 | 0.748 | 1.378 | 1.831 | 0.318 | 0.238 | 0.375 | 6 | 3 |
| 5/16-18UNC | H7 | 389479M | 2P | 3.543 | 0.748 | 1.378 | 1.831 | 0.318 | 0.238 | 0.375 | 6 | 3 |
| 5/16-24UNF | H5 | 389484M | 4P | 3.543 | 0.748 | 1.378 | 1.831 | 0.318 | 0.238 | 0.375 | 6 | 3 |
| 5/16-24UNF | H5 | 389482M | 2P | 3.543 | 0.748 | 1.378 | 1.831 | 0.318 | 0.238 | 0.375 | 6 | 3 |
| 5/16-24UNF | H7 | 389485M | 4P | 3.543 | 0.748 | 1.378 | 1.831 | 0.318 | 0.238 | 0.375 | 6 | 3 |
| 5/16-24UNF | H7 | 389483M | 2P | 3.543 | 0.748 | 1.378 | 1.831 | 0.318 | 0.238 | 0.375 | 6 | 3 |
| 3/8-16UNC | H5 | 389488M | 4P | 3.937 | 0.906 | 1.535 | 2.028 | 0.381 | 0.286 | 0.437 | 6 | 3 |
| 3/8-16UNC | H5 | 389486M | 2P | 3.937 | 0.906 | 1.535 | 2.028 | 0.381 | 0.286 | 0.437 | 6 | 3 |
| 3/8-16UNC | H7 | 389489M | 4P | 3.937 | 0.906 | 1.535 | 2.028 | 0.381 | 0.286 | 0.437 | 6 | 3 |
| 3/8-16UNC | H7 | 389487M | 2P | 3.937 | 0.906 | 1.535 | 2.028 | 0.381 | 0.286 | 0.437 | 6 | 3 |
| 3/8-24UNF | H5 | 389492M | 4P | 3.937 | 0.906 | 1.535 | 2.028 | 0.381 | 0.286 | 0.437 | 6 | 3 |
| 3/8-24UNF | H5 | 389490M | 2P | 3.937 | 0.906 | 1.535 | 2.028 | 0.381 | 0.286 | 0.437 | 6 | 3 |
| 3/8-24UNF | H7 | 389493M | 4P | 3.937 | 0.906 | 1.535 | 2.028 | 0.381 | 0.286 | 0.437 | 6 | 3 |
| 3/8-24UNF | H7 | 389491M | 2P | 3.937 | 0.906 | 1.535 | 2.028 | 0.381 | 0.286 | 0.437 | 6 | 3 |
| 7/16-14UNC | H5 | 389496M | 4P | 3.937 | 0.906 | - | 2.008 | 0.323 | 0.242 | 0.406 | 8 | 4 |
| 7/16-14UNC | H5 | 389494M | 2P | 3.937 | 0.906 | - | 2.008 | 0.323 | 0.242 | 0.406 | 8 | 4 |
| 7/16-14UNC | H7 | 389497M | 4P | 3.937 | 0.906 | - | 2.008 | 0.323 | 0.242 | 0.406 | 8 | 4 |
| 7/16-14UNC | H7 | 389495M | 2P | 3.937 | 0.906 | - | 2.008 | 0.323 | 0.242 | 0.406 | 8 | 4 |
| 7/16-20UNF | H5 | 389502M | 4P | 3.937 | 0.906 | - | 2.008 | 0.323 | 0.242 | 0.406 | 8 | 4 |
| 7/16-20UNF | H5 | 389498M | 2P | 3.937 | 0.906 | - | 2.008 | 0.323 | 0.242 | 0.406 | 8 | 4 |
| 7/16-20UNF | H7 | 389503M | 4P | 3.937 | 0.906 | - | 2.008 | 0.323 | 0.242 | 0.406 | 8 | 4 |
| 7/16-20UNF | H7 | 389499M | 2P | 3.937 | 0.906 | - | 2.008 | 0.323 | 0.242 | 0.406 | 8 | 4 |