Product name: 345mm MRS280 Overburden Casing Drilling System Bit For Quarry,Construction,Mining,Water Well Drilling OD of casing pipe: 280mm They are designed for economic cost of drilling in simultaneous ... Read More
Product name: 432mm MRS365 N125 Shank Overburden Concentric Casing Drilling System Bit For Construction Projects OD of casing pipe: 365mm Operating the MRS Concentric CasinG Drilling Bit is effortless, thanks ... Read More
Product name: 478mm MRS410 N125 Shank Concentric Casing Drilling System Bit For Coal Mining Equipment OD of casing pipe: 410mm Operating this advanced equipment is a breeze, thanks to its user-friendly design. ... Read More