Sanmeul Factory Price PDC Bolt Bit for Coal Mining Sanmeul Drilling Tools Co., Ltd Base Info Model NO.：Bolt bitType：Impact DrillUsage：Masonry Drilling, Well DrillingCertification：APITransport Package：Plastic Box , Carton BoxSpecification：CastingOrigin：China Description Pre：115mm 125mm Diamond Saw Blade Smooth Cutting Porcelain Tile Next：Marble Blades for Dry Cutting Small Blade
