
ANSI ZELX NI SP SpiralFlutedTapsforNickelBaseAlloys
| Size | Class | Code | Chamfer | L (inch) | ℓ (inch) | ℓn (inch) | Ds (inch) | K (inch) | ℓk (inch) | No.�of flutes | TYPE |
| 5/16-24UNF | GH3 | Y87516 | 3P | 2.718 | 0.394 | 1.125 | 0.318 | 0.238 | 0.375 | 3 | 3 |
| 5/16-24UNF | GH3 | Y87577 | 1.5P | 2.718 | 0.394 | 1.125 | 0.318 | 0.238 | 0.375 | 3 | 3 |
| 5/16-24UNF | GH4 | Y87532 | 3P | 2.718 | 0.394 | 1.125 | 0.318 | 0.238 | 0.375 | 3 | 3 |
| 5/16-24UNF | GH4 | Y87032 | 1.5P | 2.718 | 0.394 | 1.125 | 0.318 | 0.238 | 0.375 | 3 | 3 |
| 5/16-24UNF | GH5 | Y87546 | 3P | 2.718 | 0.394 | 1.125 | 0.318 | 0.238 | 0.375 | 3 | 3 |
| 5/16-24UNF | GH6 | Y87563 | 3P | 2.718 | 0.394 | 1.125 | 0.318 | 0.238 | 0.375 | 3 | 3 |
| 5/16-24UNF | GH7 | Y87576 | 3P | 2.718 | 0.394 | 1.125 | 0.318 | 0.238 | 0.375 | 3 | 3 |
| 3/8-16UNC | GH3 | Y87517 | 3P | 2.937 | 0.551 | 1.25 | 0.381 | 0.286 | 0.437 | 3 | 3 |
| 3/8-16UNC | GH3 | Y87017 | 1.5P | 2.937 | 0.551 | 1.25 | 0.381 | 0.286 | 0.437 | 3 | 3 |
| 3/8-16UNC | GH5 | Y87547 | 3P | 2.937 | 0.551 | 1.25 | 0.381 | 0.286 | 0.437 | 3 | 3 |
| 3/8-16UNC | GH5 | Y87047 | 1.5P | 2.937 | 0.551 | 1.25 | 0.381 | 0.286 | 0.437 | 3 | 3 |
| 3/8-24UNF | GH3 | Y87518 | 3P | 2.937 | 0.394 | 1.25 | 0.381 | 0.286 | 0.437 | 3 | 3 |
| 3/8-24UNF | GH3 | Y87575 | 1.5P | 2.937 | 0.394 | 1.25 | 0.381 | 0.286 | 0.437 | 3 | 3 |
| 3/8-24UNF | GH4 | Y87533 | 3P | 2.937 | 0.394 | 1.25 | 0.381 | 0.286 | 0.437 | 3 | 3 |
| 3/8-24UNF | GH4 | Y87033 | 1.5P | 2.937 | 0.394 | 1.25 | 0.381 | 0.286 | 0.437 | 3 | 3 |
| 3/8-24UNF | GH5 | Y87548 | 3P | 2.937 | 0.394 | 1.25 | 0.381 | 0.286 | 0.437 | 3 | 3 |
| 3/8-24UNF | GH6 | Y87564 | 3P | 2.937 | 0.394 | 1.25 | 0.381 | 0.286 | 0.437 | 3 | 3 |
| 3/8-24UNF | GH7 | Y87578 | 3P | 2.937 | 0.394 | 1.25 | 0.381 | 0.286 | 0.437 | 3 | 3 |
| 7/16-14UNC | GH3 | Y87519 | 3P | 3.156 | 0.591 | - | 0.323 | 0.242 | 0.406 | 3 | 4 |
| 7/16-14UNC | GH5 | Y87549 | 3P | 3.156 | 0.591 | - | 0.323 | 0.242 | 0.406 | 3 | 4 |
| 7/16-20UNF | GH3 | Y87520 | 3P | 3.156 | 0.472 | - | 0.323 | 0.242 | 0.406 | 3 | 4 |
| 7/16-20UNF | GH3 | Y87573 | 1.5P | 3.156 | 0.472 | - | 0.323 | 0.242 | 0.406 | 3 | 4 |
| 7/16-20UNF | GH5 | Y87550 | 3P | 3.156 | 0.472 | - | 0.323 | 0.242 | 0.406 | 3 | 4 |
| 7/16-20UNF | GH5 | Y87050 | 1.5P | 3.156 | 0.472 | - | 0.323 | 0.242 | 0.406 | 3 | 4 |
| 1/2-13UNC | GH3 | Y87521 | 3P | 3.375 | 0.63 | - | 0.367 | 0.275 | 0.437 | 3 | 4 |
| 1/2-13UNC | GH3 | Y87500 | 1.5P | 3.375 | 0.63 | - | 0.367 | 0.275 | 0.437 | 3 | 4 |
| 1/2-13UNC | GH5 | Y87551 | 3P | 3.375 | 0.63 | - | 0.367 | 0.275 | 0.437 | 3 | 4 |
| 1/2-13UNC | GH5 | Y87051 | 1.5P | 3.375 | 0.63 | - | 0.367 | 0.275 | 0.437 | 3 | 4 |
| 1/2-13UNC | GH7 | Y87581 | 3P | 3.375 | 0.63 | - | 0.367 | 0.275 | 0.437 | 3 | 4 |
| 1/2-20UNF | GH3 | Y87522 | 3P | 3.375 | 0.472 | - | 0.367 | 0.275 | 0.437 | 3 | 4 |
| 1/2-20UNF | GH3 | Y87022 | 1.5P | 3.375 | 0.472 | - | 0.367 | 0.275 | 0.437 | 3 | 4 |
| 1/2-20UNF | GH5 | Y87552 | 3P | 3.375 | 0.472 | - | 0.367 | 0.275 | 0.437 | 3 | 4 |
| 1/2-20UNF | GH7 | Y87582 | 3P | 3.375 | 0.472 | - | 0.367 | 0.275 | 0.437 | 3 | 4 |
| 9/16-18UNF | GH3 | Y88554 | 3P | 3.593 | 0.512 | - | 0.429 | 0.322 | 0.5 | 3 | 4 |
| 9/16-18UNF | GH5 | Y88542 | 3P | 3.593 | 0.512 | - | 0.429 | 0.322 | 0.5 | 3 | 4 |
| 5/8-11UNC | GH3 | Y87525 | 3P | 3.812 | 0.748 | - | 0.48 | 0.36 | 0.562 | 4 | 4 |
| 5/8-11UNC | GH3 | Y87025 | 1.5P | 3.812 | 0.748 | - | 0.48 | 0.36 | 0.562 | 4 | 4 |
| 5/8-11UNC | GH5 | Y87555 | 3P | 3.812 | 0.748 | - | 0.48 | 0.36 | 0.562 | 4 | 4 |
| 5/8-11UNC | GH7 | Y87585 | 3P | 3.812 | 0.748 | - | 0.48 | 0.36 | 0.562 | 4 | 4 |
| 5/8-18UNF | GH3 | Y87526 | 3P | 3.812 | 0.512 | - | 0.48 | 0.36 | 0.562 | 4 | 4 |
| 5/8-18UNF | GH3 | Y81508 | 1.5P | 3.812 | 0.512 | - | 0.48 | 0.36 | 0.562 | 4 | 4 |
| 5/8-18UNF | GH4 | Y87536 | 3P | 3.812 | 0.512 | - | 0.48 | 0.36 | 0.562 | 4 | 4 |
| 5/8-18UNF | GH5 | Y87556 | 3P | 3.812 | 0.512 | - | 0.48 | 0.36 | 0.562 | 4 | 4 |
| 3/4-10UNC | GH3 | Y87527 | 3P | 4.25 | 0.827 | - | 0.59 | 0.442 | 0.687 | 4 | 4 |
| 3/4-10UNC | GH3 | Y87027 | 1.5P | 4.25 | 0.827 | - | 0.59 | 0.442 | 0.687 | 4 | 4 |
| 3/4-10UNC | GH5 | Y87557 | 3P | 4.25 | 0.827 | - | 0.59 | 0.442 | 0.687 | 4 | 4 |
| 3/4-16UNF | GH3 | Y87528 | 3P | 4.25 | 0.591 | - | 0.59 | 0.442 | 0.687 | 4 | 4 |
| 3/4-16UNF | GH5 | Y87558 | 3P | 4.25 | 0.591 | - | 0.59 | 0.442 | 0.687 | 4 | 4 |