Drill Bit Tubes for Diamond Core Drill Bit Tools Reamers Hebei Huaheng Diamond Tools Co., Ltd. Base Info Model NO.：TY-W001Type：Core DrillUsage：Masonry DrillingSpecification：20# STEELOrigin：Shijiazhuang City, Hebei ProvinceHS Code：8207191000 Description Pre：Sintered Diamond Cutting Saw Blade for Dry and Wet Cutting Concrete, Asphalt, Marble, Next：Core Drill Shanks for Concrete Drilling Bits Diamond Tools 11/4"-7
