
Nitride
| Brass | Bronze | Wrought aluminum | Aluminum alloy castings | ||
| 10〜25 | 10〜25 | 10〜25 | 10〜25 | ||
| (m/min) | (m/min) | (m/min) | (m/min) |
For icon explanation, refer to P.50
■ In aluminum die casting and aluminum casting tapping, ZELX ALS SP solves such problems as chip jamming, chip clogging, and torn threads.
Segment:1D
| Size | Class | Code | Chamfer | L | ℓ | ℓn | Ds | K | ℓk | No. of | Type |
| (inch) | (inch) | (inch) | (inch) | (inch) | (inch) | flutes |
For Metric threads
D3 Y86428 2.5P 2.205 0.433 0.709 0.141 0.11 0.187 3 1
D4 Y86429 2.5P 2.205 0.512 0.787 0.141 0.11 0.187 3 1
D4 Y86430 2.5P 2.48 0.512 0.827 0.168 0.131 0.25 3 1
D4 Y86431 2.5P 2.756 0.63 0.984 0.194 0.152 0.25 3 1
D5 Y86432 2.5P 3.15 0.748 1.181 0.255 0.191 0.312 3 1
D5 Y86433 2.5P 3.15 0.748 1.181 0.318 0.238 0.375 3 2
D5 Y86435 2.5P 3.543 0.866 1.378 0.318 0.238 0.375 3 2
D5 Y86434 2.5P 3.543 0.866 1.378 0.318 0.238 0.375 3 2
D6 Y86437 2.5P 3.937 0.945 1.535 0.381 0.286 0.437 3 2
D5 Y86436 2.5P 3.937 0.945 1.535 0.381 0.286 0.437 3 2
D6 Y86440 2.5P 4.331 1.142 - 0.367 0.275 0.437 3 3
D5 Y86438 2.5P 3.937 0.866 - 0.367 0.275 0.437 3 3
For Unified Threads
| No.2-56UNC | GH2 | Y86400 | 2.5P | 1.772 | 0.276 | 0.472 | 0.141 | 0.11 | 0.187 | 3 | 1 |
| No.4-40UNC | GH2 | Y86401 | 2.5P | 2.205 | 0.433 | 0.709 | 0.141 | 0.11 | 0.187 | 3 | 1 |
| No.5-40UNC | GH2 | Y86402 | 2.5P | 2.205 | 0.433 | 0.709 | 0.141 | 0.11 | 0.187 | 3 | 1 |
| No.6-32UNC | GH3 | Y86403 | 2.5P | 2.205 | 0.512 | 0.787 | 0.141 | 0.11 | 0.187 | 3 | 1 |
| No.8-32UNC | GH3 | Y86404 | 2.5P | 2.48 | 0.512 | 0.827 | 0.168 | 0.131 | 0.25 | 3 | 1 |
| No.10-24UNC | GH3 | Y86405 | 2.5P | 2.756 | 0.63 | 0.984 | 0.194 | 0.152 | 0.25 | 3 | 1 |
| No.10-32UNF | GH3 | Y86406 | 2.5P | 2.756 | 0.63 | 0.984 | 0.194 | 0.152 | 0.25 | 3 | 1 |
GH3 Y86407
| 1/4-20UNC | 2.5P | 3.15 | 0.748 | 1.181 | 0.255 | 0.191 | 0.312 | 3 | 1 | ||
| 1/4-28UNF | GH3 | Y86409 | 2.5P | 3.15 | 0.748 | 1.181 | 0.255 | 0.191 | 0.312 | 3 | 1 |