| T2.5节距：2.5mm | ||
| 型号 | 齿数 | 节线长 |
| 120-T2.5 | 48 | 120 |
| 145-T2.5 | 58 | 145 |
| 160-T2.5 | 64 | 160 |
| 177.5-T2.5 | 71 | 177.5 |
| 185-T2.5 | 74 | 185 |
| 187.5-T2.5 | 75 | 187.5 |
| 200-T2.5 | 80 | 200 |
| 220-T2.5 | 88 | 220 |
| 232.5-T2.5 | 93 | 232.5 |
| 245-T2.5 | 98 | 245 |
| 265-T2.5 | 106 | 265 |
| 285-T2.5 | 114 | 285 |
| 287.5-T2.5 | 115 | 287.5 |
| 300-T2.5 | 120 | 300 |
| 317.5-T2.5 | 127 | 317.5 |
| 330-T2.5 | 132 | 330 |
| 335-T2.5 | 134 | 335 |
| 347.5-T2.5 | 139 | 347.5 |
| 380-T2.5 | 152 | 380 |
| 420-T2.5 | 168 | 420 |
| 465-T2.5 | 186 | 465 |
| 480-T2.5 | 192 | 480 |
| 500-T2.5 | 200 | 500 |
| 600-T2.5 | 240 | 600 |
| 650-T2.5 | 260 | 650 |
| 780-T2.5 | 312 | 780 |
| 950-T2.5 | 380 | 950 |
| 1070-T2.5 | 428 | 1070 |
