DYLETSWYDD GOLAU PREGETHAU CANOLFANNAU BYW
| 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 | 115 | 34 | 20.3 | 18 | 12.065 | 320 | 500 | 0.005 | 562-131 |
| MT2 | 129.6 | 45 | 28.6 | 25 | 17.780 | 400 | 500 | 0.006 | 562-132 |
| MT3 | 160.2 | 52 | 32 | 28 | 23.825 | 800 | 4500 | 0.006 | 562-133 |
| MT4 | 191.7 | 60 | 36.8 | 32 | 31.267 | 1250 | 3500 | 0.006 | 562-134 |
| MT5 | 244.5 | 80 | 50.8 | 45 | 44.399 | 1500 | 3000 | 0.006 | 562-135 |
| MT6 | 350 | 130 | 74.8 | 75 | 63.348 | 1800 | 2500 | 0.006 | 562-136 |
| MT7 | 423.5 | 130 | 74.8 | 75 | 83.061 | 2200 | 2000 | 0.006 | 562-137 |
