PDC anchor bit features:Suitable for soft - medium hard formation drilling, the kinds of bit with high efficient, high impact resistance, high abrasion resistance, can be used for deep drilling in complex formations; with high quality PDC or hard alloy cutters, advanced welding technology, multiple precise heat treatment. .Widely used in coal mining, tunnel, water conservancy, water  and  electricity, and many other anchor cable drilling.Models： Φ27mm、Φ28mm、 Φ29mm、Φ32mm、 Φ34mm、Φ36mm、Φ40mm、Φ43mm.Hard Alloy anchor bit features：Is suitable for the drilling of coal seam, with high penetration rate, high wear-resisting, and long life, good performance in harsh working conditions. High quality tungsten carbide alloy insterts,advanced welding  technology, multiple accurate heat treatment. Widely used in coal  mining  and  other  industries  of  anchor  cable  drilling.Models：Φ24mm--Φ150mm We can according to customer request processing various  special bits and connection mode.