Product name: Complex layer 146mm concentric casing drilling bit for construction Product category: Overburden concentric casing bit Matched hammer: ....
Product name: 127mm MSX Slide block symmetric under reaming casing drilling bit for Foundation Casing pipe OD: 127mm We are able to meet the drilling ...
Product name: 194mm permanent ring bit casing drilling bits for water well drilling Product category: Overburden casing drilling tools Matched hammer: ...
Product name: 273mm MRS symmetric casing drilling system for Geothermal drilling Casing pipe OD: 273mm It is recommended to drill in rock formation .....