Hoelen
 | |
| Math | consumables, fastener, metal product, deunydd celf, offeryn, woodworking tool, arteffact archaeolegol, arteffact  |
|---|---|
| Deunydd | wire |
 Ffeiliau perthnasol ar Gomin Wicimedia | |
Teclun syml i gyplysu dau ddarn o bren efo'i gilydd ydy hoelen. Hyd at yr 20g cawsant eu gwneud allan o bren, ac yna allan o haearn gyr, ond bellach maen nhw allan o wahanol fathau o fetel. Defnyddir nhw gan seiri coed.