Adamantite Bar

Solid bar of adamantite, created by smelting Adamantite Ore.

Source
This item is smelted at a forge by Miners with a skill level of 325.

Adamantite Bar as an Ingredient
Adamantite Bar is used in the following recipes:

Smelting (Mining)

 * Smelt Hardened Adamantite
 * requiring mining skill of 375, 10 Adamantite Bars are converted into one Hardened Adamantite Bar