| Ort der Herkunft |
Jiangsu China (Mainland) |
| Modell-Nummer |
HQ |
| Geben |
Drill Bit |
Core Barrel Designation Core BitCore BitOutside Set DiameterInside Set DiameterMaximumMinimumMaximumMinimumInchesmmInchesmmInchesmmInchesmmHQ3.7795.763.75595.382.50563.632.49563.38 They are manufactured with high quality synthetic diamonds mixed evenly through a tungsten carbide matrix. (During drilling the matrix wears away evenly resulting in continuous exposure of new, sharp diamond points throughout the life of the bit.)