Desc:single roller cone bit Bit SizeBit Typeinmm31/288.9HR537HR63745/8117.5HR117HR115HR537HR637HR73743/4120.7HR117HR115HR537HR637HR73757/8149.2HR217HR537HR...
Desc:Advantages of roller cone bits:1. High-strength and high-toughness carbide teeth are used to improve the impact resistance of the teeth and reduce the...
Desc:Advantages of roller cone bits:1. High-strength and high-toughness carbide teeth are used to improve the impact resistance of the teeth and reduce the...
Desc:High Efficient Trenchless Construction / HDD Rock Reamer / Hole OpenerOur roller cone reamer is suitable for all types of non-excavation drilling rig ...
Desc:YINHAI 12 1/4" TRICONE BITS-- REAL PHOTOSYINHAI TRICONE BITS OVERVIEW & TECH DATAYINHAI FOREIGH EXHIBITION SHOW About the company-HEJIAN YINHAI ROCK B...
Desc:YINHAI 12 1/4" TRICONE BITS-- REAL PHOTOSYINHAI TRICONE BITS OVERVIEW & TECH DATAYINHAI FOREIGH EXHIBITION SHOW About the company-HEJIAN YINHAI ROCK B...