RHAGOLYGON CANOLFANNAU BYW DYLETSWYDD CANOLIG
| 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 | 18 | 12.065 | 900 | 5000 | 0.01 | 562-141 |
| MT2 | 145 | 12 | 28.6 | 25 | 17.780 | 1500 | 5000 | 0.01 | 562-142 |
| MT3 | 170 | 52 | 30 | 28 | 23.825 | 2000 | 4200 | 0.01 | 562-143 |
| MT4 | 205.7 | 60 | 34.7 | 32 | 31.267 | 3200 | 3200 | 0.01 | 562-144 |
| MT5 | 254 | 77 | 45 | 45 | 44.399 | 6300 | 2400 | 0.015 | 562-145 |
| MT6 | 362 | 125 | 68.5 | 75 | 63.348 | 10000 | 1600 | 0.015 | 562-146 |
