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
Product name: 168mm Symmetric loose ground casing drilling ringbit without casing shoe Outer diameter casing pipe: 168mm This overburden drilling systems are designed to use ring bit which is not connected to ... Read More