Sgriw Hunan Dapio
| Nodweddion | Manylion |
| Math Pen | Pen golchwr hecs / pen padell / pen Countersunk / Pen Truss |
| Math Drive | Rhodfa sgwâr / gyriant Phillips |
| Pwynt Nodwyddau | Dril uniongyrchol ar bren |
| Gorffen | Dur di-staen, sinc ar blatiau |
Ysgrifennwch eich neges yma a'i hanfon atom
