... to minimum. 4.Product ApplicationIt is suitable for mining applications. 5.Current Main Availability Diameter/InchIADC CODE3 1/2 211, 121 ... , 121, 241, 537….4 3/4 131, 211, 537, 517….5 1/2 131, 211, 537, 517….6 211, 121, 241 ... /2 211, 121, 241, 537….………..………………………………26 131, 211, 537, 517…. API standard 17.5'' sealed steel tooth tricone bit