Street Address: No. 2 , jianshe north street , yingzhou economic development zone , hejian city
City: Cangzhou
Province: Hebei
Country/Region: China
Place of Origin:Hejian,China
Brand:GREAT
Model Number:12-1/4" GM1308
Size:12-1/4
Series:Matrix body
Material:Tungsten Carbide
Certificate:API&ISO
Type:Center drill bit
Use:Well Drilling
Application:oilwatergas and mining well drilling
PDC BITS
Product Detail/Description