- Trosolwg
- Cynnyrchau Cyfrifol
Safon: DIN 580
Maint: M6-M100
Gradd: Dosbarth 4.8, 5.8, 6.8, 8.8, 10.9, 12.9;
Thread: UNC, UNF, UEF, UN, UNS
Gorffeniad: Plân, Ocsid Du, Plâtincinc (Clir/Gwyrdd/Melyn/Du), H.D.G, Nicel, Chrome, PTFE, Dacromet, Geomet, Magni, Nicel Zinc.