Surface Set Core Drill Bits , Diamond Cutting Drill Bits With Hard Matrix
 
Surface-Set Diamond Bits can be used with any tupe of core barrels.By varying the diamond grade,size,quality,and matrix hardness and crown shapes,the users can satisfactorily dril and core hard and homogeneous formations .
Surface-Set Non-coring Bits are drilling for broken formation rock which can't  be cored. Crown are used to set with synthetic, natural or polycrystalline diamond. It's used for drilling in soft to medium hard formation rocks.

•  Surface set diamond bit is produced from a single layer of natural diamond setting on the surface of bit crown with hard matrix.