Large Diameter Bits

Large Diameter Bits Descriptionaboutsell rock bits, tricone bits, steel PDC bits, drill bits, TCI bits,drilling bits, oilfield bits, steel tooth bits.The reamers always have multi-cones. Bit cones are splited from tricone bits and welded to build a new big diameter bit. The pilot is three cone bit. Bigger diameter is usually for piling in construction field, bridge construction, super highway construction, railway construction and so on. These kinds of bits are suitable for different complex formation, shales, limestone, cobblestone, dolomite, chert, etc. Regular Bit Diameters: 28 ", 32", 36", 38", etc, and any diameters can be customized, maximum diameter is 1600mm.