| Math o weiren bigog | Mesur weiren bigog | Pellter bar | Hyd barb | |
| Gwifren bigog galfanedig electro; Sinc dip poeth plannu weiren bigog | BWG10XBWG12 | 7.5-15cm | 1.5-3cm | |
| BWG12xBWG12 | ||||
| BWG12xBWG14 | ||||
| BWG14xBWG14 | ||||
| BWG14xBWG16 | ||||
| BWG16xBWG16 | ||||
| BWG16xBWG18 | ||||
| Gwifren bigog wedi'i gorchuddio â PVC | Cyn gorchuddio | Ar ôl gorchuddio | 7.5-15cm | 1.5-3cm |
| 1.0mm-3.5mm | 1.4mm-4.0mm | |||
| BWG11-BWG20 | BWG8-BWG17 | |||
| BWG11-BWG20 | BWG8-BWG17 | |||