
| Size | Class | Code | Chamfer | L | ℓ | ℓn | Ds | K | ℓk | No. of | Type |
| (inch) | (inch) | (inch) | (inch) | (inch) | (inch) | flutes |
GH4 Y87608
No.6-32UNC 3P 2 0.276 0.687 0.141 0.11 0.187 3 1
GH5 Y87635 Y87607 3P GH3 Y87007 1.5P GH4 Y87629
No.8-32UNC 2.125 0.276 0.75 0.168 0.131 0.25 3 1
GH5 Y87637 3P GH6 Y87660 GH7 Y87667 Y87609 3P
No.10-24UNC GH3 2.375 0.354 0.875 0.194 0.152 0.25 3 1
Y81608 1.5P Y87610 3P GH3 Y87010 1.5P GH4 Y87630
No.10-32UNF 2.375 0.276 0.875 0.194 0.152 0.25 3 1
GH5 Y87640 3P GH6 Y87661 GH7 Y87670 Y87613 3P
1/4-20UNC GH3 2.5 0.433 1 0.255 0.191 0.312 3 2
Y87628 1.5P Y87614 3P GH3 Y87014 1.5P GH4 Y87631
1/4-28UNF 2.5 0.354 1 0.255 0.191 0.312 3 2
GH5 Y87644 3P GH6 Y87662 GH7 Y87674 Y87615 3P
5/16-18UNC GH3 2.718 0.472 1.125 0.318 0.238 0.375 3 3
Y87695 1.5P Y87616 3P GH3 Y87016 1.5P GH4 Y87632
5/16-24UNF 2.718 0.394 1.125 0.318 0.238 0.375 3 3
GH5 Y87646 3P GH6 Y87663 GH7 Y87676 Y87617 3P
3/8-16UNC GH3 2.937 0.551 1.25 0.381 0.286 0.437 3 3
Y87611 1.5P Y87618 3P GH3 Y87018 1.5P GH4 Y87633
3/8-24UNF 2.937 0.394 1.25 0.381 0.286 0.437 3 3
GH5 Y87648 3P GH6 Y87664 GH7 Y87678 Y87619 3P
7/16-14UNC GH3 3.156 0.591 - 0.323 0.242 0.406 3 4
Y81629 1.5P Y87620 3P GH3
| 7/16-20UNF | Y87020 | 1.5P | 3.156 | 0.472 | - | 0.323 | 0.242 | 0.406 | 3 | 4 | |
| GH5 | Y87650 | 3P |
Y87621 3P GH3
| 1/2-13UNC | Y87021 | 1.5P | 3.375 | 0.630 | - | 0.367 | 0.275 | 0.437 | 3 | 4 | |
| GH5 | Y87626 | 3P |
Y87622 3P
| 1/2-20UNF | Y87023 | 1.5P | 3.375 | 0.472 | - | 0.367 | 0.275 | 0.437 | 3 | 4 | |
| GH5 | Y87652 | 3P |