PREGETHAU CANOLFANNAU BYW DYLETSWYDD Trwm
| Morse Taper | L(mm) | D(mm) | L1(mm) | d(mm) | D1(mm) | Llwyth Radial Uchaf(N) | Cyflymder Uchaf(rpm) | Cywirdeb(mm) | Rhif yr Eitem. |
| MT1 | 109.6 | 38 | 18.5 | 16 | 12.065 | 1400 | 3600 | 0.008 | 562-151 |
| MT2 | 128.5 | 48 | 24 | 22 | 17.780 | 3500 | 3400 | 0.01 | 562-152 |
| MT3 | 156 | 58 | 28.5 | 25 | 23.825 | 5500 | 3200 | 0.01 | 562-153 |
| MT4 | 192.5 | 68 | 31.5 | 28 | 31.267 | 8000 | 3000 | 0.01 | 562-154 |
| MT5 | 245 | 90 | 45 | 41 | 44.399 | 10000 | 2500 | 0.012 | 562-155 |
| MT6 | 342.5 | 130 | 64 | 63 | 63.348 | 15000 | 1500 | 0.015 | 562-156 |
