
| piral Poin | ted | Tap | Overall length L | Thread length ℓ | Thread+Neck length ℓn | Shank length ℓs | Shank dia. Ds | Size of square K | Length of square ℓk | |||
| PO Spiral P | ointed | Taps | ||||||||||
| Size | Class | Code | Chamfer | L (inch) | ℓ (inch) | ℓn (inch) | ℓs (inch) | Ds (inch) | K (inch) | ℓk (inch) | No. of flutes | Type |
| NO.5-44UNF | GH1 GH2 GH3 | PSUN5G1NEB PSUN5G2NEB PSUN5G3NEB | 5P | 2.205 | 0.433 | 0.768 | 1.358 | 0.141 | 0.11 | 0.187 | 2 | 2 |
| No.6-32UNC | GH2 GH3 | PSUN6J2NEB PSUN6J3NEB | 5P | 2.205 | 0.433 | 0.768 | 1.358 | 0.141 | 0.11 | 0.187 | 2 | 2 |
| No.6-40UNF | GH2 GH3 | PSUN6H2NEB PSUN6H3NEB | 5P | 2.205 | 0.433 | 0.768 | 1.358 | 0.141 | 0.11 | 0.187 | 2 | 2 |
| No.8-32UNC | GH2 GH3 | PSUN8J2NEB PSUN8J3NEB | 5P | 2.48 | 0.512 | 0.827 | 1.535 | 0.168 | 0.131 | 0.25 | 2 | 2 |
| NO.8-36UNF | GH2 GH3 | PSUN8I2NEB PSUN8I3NEB | 5P | 2.48 | 0.512 | 0.827 | 1.535 | 0.168 | 0.131 | 0.25 | 2 | 2 |
| No.10-24UNC | GH2 GH3 | PSUNAM2NEB PSUNAM3NEB | 5P | 2.756 | 0.551 | 0.984 | 1.654 | 0.194 | 0.152 | 0.25 | 2 | 2 |
| No.10-32UNF | GH2 GH3 | PSUNAJ2NEB PSUNAJ3NEB | 5P | 2.756 | 0.551 | 0.984 | 1.654 | 0.194 | 0.152 | 0.25 | 2 | 2 |
| NO.12-24UNC | GH2 GH3 | PSUNCM2NEB PSUNCM3NEB | 5P | 3.15 | 0.591 | 0.984 | 1.929 | 0.220 | 0.165 | 0.281 | 2 | 2 |
| NO.12-28UNF | GH2 GH3 | PSUNCK2NEB PSUNCK3NEB | 5P | 3.15 | 0.591 | 0.984 | 1.929 | 0.220 | 0.165 | 0.281 | 2 | 2 |
| 1/4-20UNC 1/4-28UNF | GH3 GH4 GH5 GH2 GH3 GH4 | PSU04N3NEB PSU04N4NEB PSU04N5NEB PSU04K2NEB PSU04K3NEB PSU04K4NEB | 4.5P 4.5P | 3.15 3.15 | 0.591 0.591 | 1.181 1.181 | 1.713 1.713 | 0.255 0.255 | 0.191 0.191 | 0.312 0.312 | 3 3 | 2 2 |
| 5/16-18UNC | GH3 GH4 GH5 | PSU05O3NEB PSU05O4NEB PSU05O5NEB | 4.5P | 3.543 | 0.748 | 1.378 | 1.831 | 0.318 | 0.238 | 0.375 | 3 | 3 |
| 5/16-24UNF | GH3 GH4 | PSU05M3NEB PSU05M4NEB | 4.5P | 3.543 | 0.748 | 1.378 | 1.831 | 0.318 | 0.238 | 0.375 | 3 | 3 |
| 3/8-16UNC | GH3 GH5 | PSU06P3NEB PSU06P5NEB | 4.5P | 3.937 | 0.906 | 1.535 | 2.028 | 0.381 | 0.286 | 0.437 | 3 | 3 |
| 3/8-24UNF | GH3 GH4 | PSU06M3NEB PSU06M4NEB | 4.5P | 3.937 | 0.906 | 1.535 | 2.028 | 0.381 | 0.286 | 0.437 | 3 | 3 |
| 7/16-14UNC | GH4 GH5 | PSU07Q4NEB PSU07Q5NEB | 4.5P | 3.937 | 0.906 | - | 2.008 | 0.323 | 0.242 | 0.406 | 3 | 4 |
| 7/16-20UNF | GH3 GH4 GH5 | PSU07N3NEB PSU07N4NEB PSU07N5NEB | 4.5P | 3.937 | 0.906 | - | 2.008 | 0.323 | 0.242 | 0.406 | 3 | 4 |
| 1/2-13UNC | GH3 GH4 GH5 | PSU08R3NEB PSU08R4NEB PSU08R5NEB | 4.5P | 4.331 | 1.024 | - | 2.205 | 0.367 | 0.275 | 0.437 | 3 | 4 |
| 1/2-20UNF | GH3 GH4 GH5 | PSU08N3NEB PSU08N4NEB PSU08N5NEB | 4.5P | 4.331 | 1.024 | - | 2.205 | 0.367 | 0.275 | 0.437 | 3 | 4 |
| 9/16-12UNC | GH3 GH4 GH5 | PSU09S3NEB PSU09S4NEB PSU09S5NEB | 4.5P | 4.331 | 1.024 | - | 2.205 | 0.429 | 0.322 | 0.5 | 3 | 4 |
| 9/16-18UNF | GH3 GH4 GH5 | PSU09O3NEB PSU09O4NEB PSU09O5NEB | 4.5P | 4.331 | 1.024 | - | 2.205 | 0.429 | 0.322 | 0.5 | 3 | 4 |