HQ Tungsten Carbide Bit

HQ Tungsten Carbide BitThe tungsten carbide bit is specially used in core drilling, and its cylindrical steel drill bit is covered by a layer of tungsten carbide. Threaded (screwed) connection core tube and water channel have been designed for itThe ordinary tungsten carbide bits are suitable for drilling strata (formation) from 2 to 3 grades, and needle-like tungsten carbide bits are quite appropriate for drilling rock from 6 to 8 gradeFeatures1): it can be used in drilling