Product name: 219mm casing pipe MK3E overburden middle reamer casing drilling bit for warter well drilling Casing pipe OD: 219MM When simultaneously drilling and casing through loose overburden materials, our ... Read More
Product Name: 188mm MSX140 Overburden Casing Drilling System Bit For Horizontal Directional Under Ground Drilling Spline: DHD380,SD8,QL8 Case dia.(OD*ID): 273*260 Product details: Rock drill tools factory ... Read More
Product name: High carbon steel overburden casing drilling system 813mm with 3 wings for pilling in construction Casing pipe OD: 610mm MING MRHK overburden casing drilling bit is designed to increase productivi... Read More
Product Name: 130mm MK5E127 Overburden Eccentric Casing Drilling System With CIR110 Shank For Water Well Drilling Product category: Overburden eccentric casing bit Matched hammer: Hammer CIR110 Matched casing ... Read More