
■ ZELX NI PO is the spiral pointed tap for nickel base alloys which, with nickel as main composition, have much higher corrosion Nitride+Oxide resistance and much higher heat resistance Recommended Tapping Speed depending on Materials than steels.
| Low carbon steels | Medium carbon steels | Stainless steels | Nickel base alloys |
| 5低炭素鋼10 | 5中炭素鋼10 | 5ステンレス鋼10 | ニッケル基合金510 |
| ( m/ min) | (m/ min) | (m/min) | (m/min) |
Segment:1F
| Size | Class | Code | Chamfer | L (inch) | ℓ (inch) | ℓn (inch) | Ds (inch) | K (inch) | ℓk (inch) | No. of flutes | TYPE |
| For M | etric Thr | eads | l | ||||||||
| M2.5×0.45 | D3 | Y87320 | 4.5P | 1.812 | 0.295 | 0.5 | 0.141 | 0.11 | 0.187 | 2 | 1 |
| M3×0.5 | D3 | Y87321 | 4.5P | 1.937 | 0.374 | 0.625 | 0.141 | 0.11 | 0.187 | 3 | 1 |
| M3.5×0.6 | D4 | Y87322 | 4.5P | 2 | 0.413 | 0.687 | 0.141 | 0.11 | 0.187 | 3 | 1 |
| M4×0.7 | D4 | Y87323 | 4.5P | 2.125 | 0.453 | 0.75 | 0.168 | 0.131 | 0.25 | 3 | 1 |
| M5×0.8 | D4 | Y87324 | 4.5P | 2.375 | 0.531 | 0.875 | 0.194 | 0.152 | 0.25 | 3 | 1 |
| M6×1 | D5 | Y87325 | 4.5P | 2.5 | 0.591 | 1 | 0.255 | 0.191 | 0.312 | 3 | 2 |
| M7×1 | D5 | Y87326 | 4.5P | 2.718 | 0.669 | 1.125 | 0.318 | 0.238 | 0.375 | 3 | 3 |
| M8×1.25 | D5 | Y87328 | 4.5P | 2.718 | 0.669 | 1.125 | 0.318 | 0.238 | 0.375 | 3 | 3 |
| M8×1 | D5 | Y87327 | 4.5P | 2.718 | 0.669 | 1.125 | 0.318 | 0.238 | 0.375 | 3 | 3 |
| M10×1.5 | D6 | Y87330 | 4.5P | 2.937 | 0.748 | 1.25 | 0.381 | 0.286 | 0.437 | 3 | 3 |
| M10×1.25 | D5 | Y87329 | 4.5P | 2.937 | 0.748 | 1.25 | 0.381 | 0.286 | 0.437 | 3 | 3 |
| M12×1.75 | D6 | Y87332 | 4.5P | 3.375 | 0.984 | - | 0.367 | 0.275 | 0.437 | 3 | 4 |
| M12×1.25 | D5 | Y87331 | 4.5P | 3.375 | 0.984 | - | 0.367 | 0.275 | 0.437 | 3 | 4 |
| For Ui | nified Thr | i eads | |||||||||
| No.2-56UNC | GH2 | Y85523 | 4.5P | 1.75 | 0.256 | 0.437 | 0.141 | 0.11 | 0.187 | 2 | 1 |
| No.4-40UNC | GH2 | Y85501 | 4.5P | 1.875 | 0.335 | 0.562 | 0.141 | 0.11 | 0.187 | 2 | 1 |
| No.4-40UNC | GH3 | Y85502 | 4.5P | 1.875 | 0.335 | 0.562 | 0.141 | 0.11 | 0.187 | 2 | 1 |
| No.4-40UNC | GH4 | Y85504 | 4.5P | 1.875 | 0.335 | 0.562 | 0.141 | 0.11 | 0.187 | 2 | 1 |
| No.5-40UNC | GH2 | Y85503 | 4.5P | 1.937 | 0.374 | 0.625 | 0.141 | 0.11 | 0.187 | 3 | 1 |
| No.6-32UNC | GH3 | Y85505 | 4.5P | 2 | 0.413 | 0.687 | 0.141 | 0.11 | 0.187 | 3 | 1 |
| No.6-32UNC | GH4 | Y85524 | 4.5P | 2 | 0.413 | 0.687 | 0.141 | 0.11 | 0.187 | 3 | 1 |
| No.6-32UNC | GH5 | Y85535 | 4.5P | 2 | 0.413 | 0.687 | 0.141 | 0.11 | 0.187 | 3 | 1 |
| No.6-32UNC | GH7 | Y85511 | 4.5P | 2 | 0.413 | 0.687 | 0.141 | 0.11 | 0.187 | 3 | 1 |
| No.6-40UNF | GH2 | Y85512 | 4.5P | 2 | 0.413 | 0.687 | 0.141 | 0.11 | 0.187 | 3 | 1 |
| No.8-32UNC | GH3 | Y85507 | 4.5P | 2.125 | 0.453 | 0.75 | 0.168 | 0.131 | 0.25 | 3 | 1 |
| No.8-32UNC | GH4 | Y85529 | 4.5P | 2.125 | 0.453 | 0.75 | 0.168 | 0.131 | 0.25 | 3 | 1 |
| No.8-32UNC | GH5 | Y85537 | 4.5P | 2.125 | 0.453 | 0.75 | 0.168 | 0.131 | 0.25 | 3 | 1 |
| No.8-32UNC | GH6 | Y85560 | 4.5P | 2.125 | 0.453 | 0.75 | 0.168 | 0.131 | 0.25 | 3 | 1 |
| No.8-32UNC | GH7 | Y85567 | 4.5P | 2.125 | 0.453 | 0.75 | 0.168 | 0.131 | 0.25 | 3 | 1 |
| No.10-24UNC | GH3 | Y85509 | 4.5P | 2.375 | 0.531 | 0.875 | 0.194 | 0.152 | 0.25 | 3 | 1 |
| No.10-24UNC | GH5 | Y85539 | 4.5P | 2.375 | 0.531 | 0.875 | 0.194 | 0.152 | 0.25 | 3 | 1 |
| No.10-32UNF | GH2 | Y85541 | 4.5P | 2.375 | 0.531 | 0.875 | 0.194 | 0.152 | 0.25 | 3 | 1 |