
| Overall length | Thread length | Thread + Neck length | Shank dia. | Size of square | Length of square |
| L | ℓ | ℓn | Ds | K | ℓk |
ANSI ZELX SS PO Spiral Pointed Taps for Stainless Steels
| Size | Class | Code | Chamfer | L (inch) | ℓ (inch) | ℓn (inch) | Ds (inch) | K (inch) | ℓk (inch) | No. of flutes | TYPE |
| 5/16-18UNC | GH5 | Y82645 | 4.5P | 2.718 | 0.669 | 1.125 | 0.318 | 0.238 | 0.375 | 3 | 3 |
| 5/16-18UNC | GH7 | Y82675 | 4.5P | 2.718 | 0.669 | 1.125 | 0.318 | 0.238 | 0.375 | 3 | 3 |
| 5/16-24UNF | GH3 | Y82616 | 4.5P | 2.718 | 0.669 | 1.125 | 0.318 | 0.238 | 0.375 | 3 | 3 |
| 5/16-24UNF | GH4 | Y82632 | 4.5P | 2.718 | 0.669 | 1.125 | 0.318 | 0.238 | 0.375 | 3 | 3 |
| 5/16-24UNF | GH5 | Y82646 | 4.5P | 2.718 | 0.669 | 1.125 | 0.318 | 0.238 | 0.375 | 3 | 3 |
| 5/16-24UNF | GH6 | Y82663 | 4.5P | 2.718 | 0.669 | 1.125 | 0.318 | 0.238 | 0.375 | 3 | 3 |
| 5/16-24UNF | GH7 | Y82676 | 4.5P | 2.718 | 0.669 | 1.125 | 0.318 | 0.238 | 0.375 | 3 | 3 |
| 3/8-16UNC | GH3 | Y82617 | 4.5P | 2.937 | 0.748 | 1.25 | 0.381 | 0.286 | 0.437 | 3 | 3 |
| 3/8-16UNC | GH5 | Y82647 | 4.5P | 2.937 | 0.748 | 1.25 | 0.381 | 0.286 | 0.437 | 3 | 3 |
| 3/8-16UNC | GH7 | Y82668 | 4.5P | 2.937 | 0.748 | 1.25 | 0.381 | 0.286 | 0.437 | 3 | 3 |
| 3/8-24UNF | GH3 | Y82618 | 4.5P | 2.937 | 0.748 | 1.25 | 0.381 | 0.286 | 0.437 | 3 | 3 |
| 3/8-24UNF | GH4 | Y82633 | 4.5P | 2.937 | 0.748 | 1.25 | 0.381 | 0.286 | 0.437 | 3 | 3 |
| 3/8-24UNF | GH5 | Y82648 | 4.5P | 2.937 | 0.748 | 1.25 | 0.381 | 0.286 | 0.437 | 3 | 3 |
| 3/8-24UNF | GH6 | Y82664 | 4.5P | 2.937 | 0.748 | 1.25 | 0.381 | 0.286 | 0.437 | 3 | 3 |
| 3/8-24UNF | GH7 | Y82678 | 4.5P | 2.937 | 0.748 | 1.25 | 0.381 | 0.286 | 0.437 | 3 | 3 |
| 7/16-14UNC | GH3 | Y82619 | 4.5P | 3.156 | 0.866 | - | 0.323 | 0.242 | 0.406 | 3 | 4 |
| 7/16-14UNC | GH5 | Y82649 | 4.5P | 3.156 | 0.866 | - | 0.323 | 0.242 | 0.406 | 3 | 4 |
| 7/16-20UNF | GH3 | Y82620 | 4.5P | 3.156 | 0.866 | - | 0.323 | 0.242 | 0.406 | 3 | 4 |
| 7/16-20UNF | GH5 | Y82650 | 4.5P | 3.156 | 0.866 | - | 0.323 | 0.242 | 0.406 | 3 | 4 |
| 7/16-20UNF | GH6 | Y82691 | 4.5P | 3.156 | 0.866 | - | 0.323 | 0.242 | 0.406 | 3 | 4 |
| 7/16-20UNF | GH7 | Y82680 | 4.5P | 3.156 | 0.866 | - | 0.323 | 0.242 | 0.406 | 3 | 4 |
| 1/2-13UNC | GH3 | Y82621 | 4.5P | 3.375 | 0.984 | - | 0.367 | 0.275 | 0.437 | 3 | 4 |
| 1/2-13UNC | GH5 | Y82651 | 4.5P | 3.375 | 0.984 | - | 0.367 | 0.275 | 0.437 | 3 | 4 |
| 1/2-13UNC | GH7 | Y82681 | 4.5P | 3.375 | 0.984 | - | 0.367 | 0.275 | 0.437 | 3 | 4 |
| 1/2-20UNF | GH3 | Y82622 | 4.5P | 3.375 | 0.984 | - | 0.367 | 0.275 | 0.437 | 3 | 4 |
| 1/2-20UNF | GH5 | Y82652 | 4.5P | 3.375 | 0.984 | - | 0.367 | 0.275 | 0.437 | 3 | 4 |
| 1/2-20UNF | GH6 | Y82692 | 4.5P | 3.375 | 0.984 | - | 0.367 | 0.275 | 0.437 | 3 | 4 |
| 1/2-20UNF | GH7 | Y82682 | 4.5P | 3.375 | 0.984 | - | 0.367 | 0.275 | 0.437 | 3 | 4 |
| 1/2-20UNF | GH9 | Y82685 | 4.5P | 3.375 | 0.984 | - | 0.367 | 0.275 | 0.437 | 3 | 4 |
| 9/16-12UNC | GH3 | Y82653 | 4.5P | 3.593 | 0.984 | - | 0.429 | 0.322 | 0.5 | 3 | 4 |
| 9/16-18UNF | GH3 | Y82654 | 4.5P | 3.593 | 0.984 | - | 0.429 | 0.322 | 0.5 | 3 | 4 |
| 9/16-18UNF | GH5 | Y82666 | 4.5P | 3.593 | 0.984 | - | 0.429 | 0.322 | 0.5 | 3 | 4 |
| 5/8-11UNC | GH3 | Y82625 | 4.5P | 3.812 | 1.083 | - | 0.48 | 0.36 | 0.562 | 3 | 4 |
| 5/8-11UNC | GH5 | Y82655 | 4.5P | 3.812 | 1.083 | - | 0.48 | 0.36 | 0.562 | 3 | 4 |
| 5/8-18UNF | GH3 | Y82626 | 4.5P | 3.812 | 1.083 | - | 0.48 | 0.36 | 0.562 | 3 | 4 |
| 5/8-18UNF | GH4 | Y82636 | 4.5P | 3.812 | 1.083 | - | 0.48 | 0.36 | 0.562 | 3 | 4 |
| 5/8-18UNF | GH5 | Y82656 | 4.5P | 3.812 | 1.083 | - | 0.48 | 0.36 | 0.562 | 3 | 4 |
| 5/8-18UNF | GH6 | Y82694 | 4.5P | 3.812 | 1.083 | - | 0.48 | 0.36 | 0.562 | 3 | 4 |
| 5/8-18UNF | GH7 | Y82591 | 4.5P | 3.812 | 1.083 | - | 0.48 | 0.36 | 0.562 | 3 | 4 |
| 3/4-10UNC | GH3 | Y82627 | 4.5P | 4.25 | 1.201 | - | 0.59 | 0.422 | 0.687 | 3 | 4 |
| 3/4-10UNC | GH5 | Y82657 | 4.5P | 4.25 | 1.201 | - | 0.59 | 0.422 | 0.687 | 3 | 4 |
| 3/4-16UNF | GH3 | Y82628 | 4.5P | 4.25 | 1.201 | - | 0.59 | 0.422 | 0.687 | 3 | 4 |
| 3/4-16UNF | GH5 | Y82658 | 4.5P | 4.25 | 1.201 | - | 0.59 | 0.422 | 0.687 | 3 | 4 |
| 3/4-16UNF | GH7 | Y82592 | 4.5P | 4.25 | 1.201 | - | 0.59 | 0.422 | 0.687 | 3 | 4 |
| 7/8-9UNC | GH4 | Y82695 | 4.5P | 4.687 | 1.339 | - | 0.697 | 0.523 | 0.75 | 3 | 4 |
| 7/8-14UNF | GH4 | Y82696 | 4.5P | 4.687 | 1.339 | - | 0.697 | 0.523 | 0.75 | 3 | 4 |
| 7/8-14UNF | GH6 | Y82699 | 4.5P | 4.687 | 1.339 | - | 0.697 | 0.523 | 0.75 | 3 | 4 |
| 1 -8UNC | GH4 | Y82697 | 4.5P | 5.125 | 1.496 | - | 0.8 | 0.6 | 0.812 | 3 | 4 |
| 1 -12UNF | GH4 | Y82679 | 4.5P | 5.125 | 1.496 | - | 0.8 | 0.6 | 0.812 | 3 | 4 |
| 1 1/8-7UNC | GH6 | Y82700 | 4.5P | 5.437 | 1.535 | - | 0.896 | 0.672 | 0.875 | 4 | 4 |