Hollow drill steel
- A type of steel specially used in drill rod manufacture, high intension and toughness. Hexagon and round
- (1)Material: Sanbar 20 or C253;Z708;Sanbar 64;Sanbar 23.
- (2)Size: Hex.22mm, 25mm, 28mm,35mm, R39,R46,R52
- (3)Length: any length according to your require.
- (4)Package: Wrapped with steel belt and then into bundles.
- (5)Productivity: 20000MT/ month