Cyfres 8180 GWryw JIS 30 GRADD FLARE FLARE JIS 30 GRADD FLARE Ffitiadau Rhyngwladol Addaswyr haearn hydrolig
| RHIF RHAN | ST1 JIS BSPP | PT2 BSPT | ST1 DRILL | PT2 DRILL | M LETH | I LETH | Y FIATS |
| 8180-04-04 | 1/4-19 | 1/4-19 | 5.0 | 7.0 | 22.0 | 19.0 | 17.0 |
| 8180-06-06 | 3/8-19 | 3/8-19 | 8.0 | 10.3 | 25.0 | 22.0 | 19.0 |
| 8180-08-08 | 1/2-14 | 1/2-14 | 11.0 | 13.5 | 28.0 | 26.0 | 24.0 |
| 8180-12-12 | 3/4-14 | 3/4-14 | 16.0 | 18.0 | 32.0 | 30.0 | 30.0 |
| 8180-16-16 | 1-11 | 1-11 | 22.0 | 23.8 | 36.0 | 34.0 | 36.0 |
