TT Core Barrel

TT Series Core Barrel                                                                 Ultra-thin walled double tube core barrels,Website:http://www.yikuangdrilling.com, available diameters 46 and 56 mm. Very thin cutting face allows very rapid rate of penetration through hard formations. They are suitable forunderground  mining applications.TT Series Core Barrels: Very thin cutting face allows very rapid rate of penetration through hard formations. They are suitable for underground mining applications.