Description: HSS Hollow Drill Bit 12-42mm Cutting Diameter Titanium Coated Core Drill Bit For Metal Cutting Weldon Shank Magnetic Drill Bit Annular CutterSpecifications:Product NameCore Drill bit MaterialHigh Speed SteelCoatingTitanium CoatedCutting Depth35mmOverall Length64mmQuantity1 Pc × Core Dri..