-- MAXDRILL Hollow Drill Steel Bar A type of steel specially used in drill rod manufacture, high intension and toughness. Hexagon and round ( 1) Material: 95CrMo ( same as SANDBAR 20 or C253) ( 2) Size: Hex.22mm, 25mm, 28mm ( 3) Length: any length according to your require. ( 4) Package: Wrapped with steel belt and then into bundles. ( 5) Productivity: 20000MT/ month