Diamond Products Wet Diamond Core Bit 10074 4 1 2 Inch Star Blue (13 Inch Depth 5 8 Inch Hub Thread Concrete Drilling) Pipe Cutters occasionally rinse the exterior nylon occasionally rinse the exterior nylon cap and straps with mild soap and water Case Outside Footprint Height 1 (1) Diamond Products 4 1 2 Inch Star Blue Wet Core Bit (10074) Brand Diamond Products Model Number 10074 Product Line Core Bore Star Blue Bit Diameter 4 1 2 Inches Drilling Depth 13 Inches Hub Thread Size 5 8 Inch 11 UNC Maximum Speed 884 RPM Application Type Wet Drilling Bit Material Low Carbon Steel Assembled Weight 7 3 5 Pounds Country of Origin Thailand Pro Tip: To significantly extend the lifespan of the diamond segments and prevent core binding