Tungsten Carbide
Wear Resistant,High Performance
Drilling Tool
Tricone Drill Bit
Soft Rock Formation,Medium Hard Formation,Hard Roc
117/217/317 437/517/537/637
2 3/8 -2 7/8-3 1/2-4 1/2-6 5/8-7 5/8- API Reg Pin
Packing According to Customer's Requirement.