In international trade, a contract specification requiring the seller to deliver goods to a named destination, usually a border location, by a predetermined time. Up to the border, the seller is responsible for all risks and expenses associated with the delivery.
Investopedia explains Delivered At Frontier - DAF
Terms used in international trade, such as delivered at frontier, outline who bears the risks and expenses of transporting goods under international transactions. A variety of terms exist for various methods of transportation. Delivered at frontier is most often used when using ground transport, such as truck or rail, to supply the goods.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 24192EK30 NACHI | 460 | 760 | 300 |
| 23192EK NACHI | 460 | 760 | 240 |