API 6 1/2" New Steel tooth Bits for drilling/tricone bit

New Tricone Rock Bits 1) Certified by API&ISO 2)20 experience 3)Best quality and best servive 4)FOB100~3300USD

New Tricone Rock Bits

437 Soft FormationNew TriconeRock Bits The 437 TCI bits are used to drill low compressive strength, very soft formations. TCI bits maximize the use of both conical and chisel tungsten carbide inserts of large diameters and high projection. This cutting structure design, combined with maximum cone offset, result in high bit penetratione rates. The deep intermesh of cutter rows prevents bit bailing in sticky formatio