Surface set diamond core bits can be used with any type of core barrels, To avoid excessive matrix wear at the leading edge of each segment.Tingsten carbide inserts are fitted on each side of the
waterway.This kind of bits cannot be used in broken or loose formation. Surface set bits provide higher rates of penetration than impregnated bits in soft formations due to the greater degree of
exposure of the individual diamond stones. However, as they are set with only a single layer of diamonds, they generally yield a lower overall bit life. Available with a range of stone sizes and
crown profiles to suit different rock formations. Advantages: • Can be cost-effective for coring soft formatioms • Can be used with low powered drills