
| Size | Class | Code | Chamfe | r L (inch) | ℓ (inch) | ℓn (inch) | Ds (inch) | K (inch) | ℓk (inch) | No.�of flutes | TYPE |
| �i� | For�Unifie� | �id�Thread | �i�s | l | |||||||
| No.2-56UNC | GH2 | Y87623 | 3P | 1.75 | 0.157 | 0.437 | 0.141 | 0.11 | 0.187 | 3 | 1 |
| No.4-40UNC | GH2 | Y87601 | 3P | 1.875 | 0.236 | 0.562 | 0.141 | 0.11 | 0.187 | 3 | 1 |
| No.4-40UNC | GH4 | Y87612 | 3P | 1.875 | 0.236 | 0.562 | 0.141 | 0.11 | 0.187 | 3 | 1 |
| No.4-40UNC | GH4 | Y87001 | 1.5P | 1.875 | 0.236 | 0.562 | 0.141 | 0.11 | 0.187 | 3 | 1 |
| No.6-32UNC | GH3 | Y87605 | 3P | 2 | 0.276 | 0.687 | 0.141 | 0.11 | 0.187 | 3 | 1 |
| No.6-32UNC | GH3 | Y87606 | 1.5P | 2 | 0.276 | 0.687 | 0.141 | 0.11 | 0.187 | 3 | 1 |
| No.6-32UNC | GH4 | Y87608 | 3P | 2 | 0.276 | 0.687 | 0.141 | 0.11 | 0.187 | 3 | 1 |
| No.6-32UNC | GH5 | Y87635 | 3P | 2 | 0.276 | 0.687 | 0.141 | 0.11 | 0.187 | 3 | 1 |
| No.8-32UNC | GH3 | Y87607 | 3P | 2.125 | 0.276 | 0.75 | 0.168 | 0.131 | 0.25 | 3 | 1 |
| No.8-32UNC | GH3 | Y87007 | 1.5P | 2.125 | 0.276 | 0.75 | 0.168 | 0.131 | 0.25 | 3 | 1 |
| No.8-32UNC | GH4 | Y87629 | 3P | 2.125 | 0.276 | 0.75 | 0.168 | 0.131 | 0.25 | 3 | 1 |
| No.8-32UNC | GH5 | Y87637 | 3P | 2.125 | 0.276 | 0.75 | 0.168 | 0.131 | 0.25 | 3 | 1 |
| No.8-32UNC | GH6 | Y87660 | 3P | 2.125 | 0.276 | 0.75 | 0.168 | 0.131 | 0.25 | 3 | 1 |
| No.8-32UNC | GH7 | Y87667 | 3P | 2.125 | 0.276 | 0.75 | 0.168 | 0.131 | 0.25 | 3 | 1 |
| No.10-24UNC | GH3 | Y87609 | 3P | 2.375 | 0.354 | 0.875 | 0.194 | 0.152 | 0.25 | 3 | 1 |
| No.10-24UNC | GH3 | Y81608 | 1.5P | 2.375 | 0.354 | 0.875 | 0.194 | 0.152 | 0.25 | 3 | 1 |
| No.10-32UNF | GH3 | Y87610 | 3P | 2.375 | 0.276 | 0.875 | 0.194 | 0.152 | 0.25 | 3 | 1 |
| No.10-32UNF | GH3 | Y87010 | 1.5P | 2.375 | 0.276 | 0.875 | 0.194 | 0.152 | 0.25 | 3 | 1 |
| No.10-32UNF | GH4 | Y87630 | 3P | 2.375 | 0.276 | 0.875 | 0.194 | 0.152 | 0.25 | 3 | 1 |
| No.10-32UNF | GH5 | Y87640 | 3P | 2.375 | 0.276 | 0.875 | 0.194 | 0.152 | 0.25 | 3 | 1 |
| No.10-32UNF | GH6 | Y87661 | 3P | 2.375 | 0.276 | 0.875 | 0.194 | 0.152 | 0.25 | 3 | 1 |
| No.10-32UNF | GH7 | Y87670 | 3P | 2.375 | 0.276 | 0.875 | 0.194 | 0.152 | 0.25 | 3 | 1 |
| 1/4-20UNC | GH3 | Y87613 | 3P | 2.5 | 0.433 | 1 | 0.255 | 0.191 | 0.312 | 3 | 2 |
| 1/4-20UNC | GH3 | Y87628 | 1.5P | 2.5 | 0.433 | 1 | 0.255 | 0.191 | 0.312 | 3 | 2 |
| 1/4-28UNF | GH3 | Y87614 | 3P | 2.5 | 0.354 | 1 | 0.255 | 0.191 | 0.312 | 3 | 2 |
| 1/4-28UNF | GH3 | Y87014 | 1.5P | 2.5 | 0.354 | 1 | 0.255 | 0.191 | 0.312 | 3 | 2 |
| 1/4-28UNF | GH4 | Y87631 | 3P | 2.5 | 0.354 | 1 | 0.255 | 0.191 | 0.312 | 3 | 2 |
| 1/4-28UNF | GH5 | Y87644 | 3P | 2.5 | 0.354 | 1 | 0.255 | 0.191 | 0.312 | 3 | 2 |
| 1/4-28UNF | GH6 | Y87662 | 3P | 2.5 | 0.354 | 1 | 0.255 | 0.191 | 0.312 | 3 | 2 |
| 1/4-28UNF | GH7 | Y87674 | 3P | 2.5 | 0.354 | 1 | 0.255 | 0.191 | 0.312 | 3 | 2 |
| 5/16-18UNC | GH3 | Y87615 | 3P | 2.718 | 0.472 | 1.125 | 0.318 | 0.238 | 0.375 | 3 | 3 |
| 5/16-18UNC | GH3 | Y87695 | 1.5P | 2.718 | 0.472 | 1.125 | 0.318 | 0.238 | 0.375 | 3 | 3 |
| 5/16-24UNF | GH3 | Y87616 | 3P | 2.718 | 0.394 | 1.125 | 0.318 | 0.238 | 0.375 | 3 | 3 |
| 5/16-24UNF | GH3 | Y87016 | 1.5P | 2.718 | 0.394 | 1.125 | 0.318 | 0.238 | 0.375 | 3 | 3 |
| 5/16-24UNF | GH4 | Y87632 | 3P | 2.718 | 0.394 | 1.125 | 0.318 | 0.238 | 0.375 | 3 | 3 |
| 5/16-24UNF | GH5 | Y87646 | 3P | 2.718 | 0.394 | 1.125 | 0.318 | 0.238 | 0.375 | 3 | 3 |
| 5/16-24UNF | GH6 | Y87663 | 3P | 2.718 | 0.394 | 1.125 | 0.318 | 0.238 | 0.375 | 3 | 3 |
| 5/16-24UNF | GH7 | Y87676 | 3P | 2.718 | 0.394 | 1.125 | 0.318 | 0.238 | 0.375 | 3 | 3 |
| 3/8-16UNC | GH3 | Y87617 | 3P | 2.937 | 0.551 | 1.25 | 0.381 | 0.286 | 0.437 | 3 | 3 |
| 3/8-16UNC | GH3 | Y87611 | 1.5P | 2.937 | 0.551 | 1.25 | 0.381 | 0.286 | 0.437 | 3 | 3 |
| 3/8-24UNF | GH3 | Y87618 | 3P | 2.937 | 0.394 | 1.25 | 0.381 | 0.286 | 0.437 | 3 | 3 |
| 3/8-24UNF | GH3 | Y87018 | 1.5P | 2.937 | 0.394 | 1.25 | 0.381 | 0.286 | 0.437 | 3 | 3 |
| 3/8-24UNF | GH4 | Y87633 | 3P | 2.937 | 0.394 | 1.25 | 0.381 | 0.286 | 0.437 | 3 | 3 |
| 3/8-24UNF | GH5 | Y87648 | 3P | 2.937 | 0.394 | 1.25 | 0.381 | 0.286 | 0.437 | 3 | 3 |
| 3/8-24UNF | GH6 | Y87664 | 3P | 2.937 | 0.394 | 1.25 | 0.381 | 0.286 | 0.437 | 3 | 3 |
| 3/8-24UNF | GH7 | Y87678 | 3P | 2.937 | 0.394 | 1.25 | 0.381 | 0.286 | 0.437 | 3 | 3 |
| 7/16-14UNC | GH3 | Y87619 | 3P | 3.156 | 0.591 | - | 0.323 | 0.242 | 0.406 | 3 | 4 |
| 7/16-14UNC | GH3 | Y81629 | 1.5P | 3.156 | 0.591 | - | 0.323 | 0.242 | 0.406 | 3 | 4 |
| 7/16-20UNF | GH3 | Y87620 | 3P | 3.156 | 0.472 | - | 0.323 | 0.242 | 0.406 | 3 | 4 |