... ,like: Tricone Bits (Steel tooth & TCI bit),Tri-cone Bit,Three cone bit,Tricone Drill bit,tungsten cabide inserted bits,Tricone ... chisel-shaped inserts and considerable cone axis offset against center line of bit ensure very high penetration rate .To secure the bit ... This cutting structure design combined with maximum cone offset ,results in high bit penetration rates.the deep intermesh of cutter rows ...