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Steel tooth bits series
114-117
Soft Formation Tooth Bits
The114-117 bits are used to drill low-compressive strength, soft formations.Long projection tooth lengths are used on....

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About three cone bits information 
three cone bits ( 1.steel tooth bits 2.tci bits )
steel tooth bits
114-117 used for Soft formation
127 used for Medium-Hard formation
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Some information about TCL bits series
437
Soft Formation TCI Tricone Bits
The 427 tci bits are used to drill low compressive strength, very soft formations .TCI bits maximize....

supply PDC, tricone bits, drill pipe and drill collar( new and used) , and various size is available.Besides, the goods have good quality and reasonable price.If you are....