casing shoe bits, core drill bit, impregnated diamond core bits

Quick Details Place of Origin:Hebei, China (Mainland) Brand Name:JS Material:High Carbon Steel, diamond Machine Type:drilling tools Cutter Materia:synthetic diamond segment Application:coal mining and geological exploration color:gray Delivery time:short Workmanship:perfect use:mineral exploration Type:Core Drill Bit Use:Masonry Drilling Supply Ability Supply Ability:500 Piece/Pieces per Day Packaging & Delivery Packaging Details-Each bit is inner packed in a small carton