Product name: 125mm MRE90 Overburden Symmetric Casing Drilling System Bit For Water Well Drilling Matched casing pipe OD: 90mm Matched hammer: Hammer DHD3.5 The overburden casing drilling systems are designed ... Read More
Product name: 165mm Overburden Symmetric Casing Drilling System Ring Bit Without Casing Shoe For Loose Ground Outer diameter casing pipe: 165mm This overburden drilling systems are designed to use ring bit ... Read More
Product name: 1250mm Mring Overburden Concentric Casing Drilling Tools For Water Well Drilling Product category: Overburden casing drilling tools Symmetric casing drillng ring bit are made up of: 1. A pilot ... Read More
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