TCI Rock Bits IADC517
Petroleum Drilling Tool & Accessory
Well Drilling Machinery, Offshore Oil and Gas Field Exploitation Machinery
TCI Tricone Rock Bit
Tungsten Carbide Inserts
12 1/4'' (311.1mm)
517, 537
0.45~1.00kn/Mm
Huanyu, Kingdream, CS, Lilin, Jz
Medium to Hard Formation Drilling
Metal or Rubber Sealed Bearing
Super Multiple Gauge Protection
Standard Export Wooden Box