... Product ApplicationIt is suitable for mining applications. 5.Current Main Availability Diameter/InchIADC CODE3 1/2 ... 537, 517….4 1/2 211, 121, 241, 537….4 3/4 131, 211, 537, 517….5 1/ ... 2 131, 211, 537, 517….6 211, 121, 241, 537….……….. ... 537….14 3/4 131, 211, 537, 517….15 1/2 211, 121, 241, 537….17 ... 1/2 131, 211, 537, 517….18 1/2 211, 121, 241, 537….………..………………………………26 ...