Milwaukee Diamond Core Bit Extension 48 17 6010 6 Inch Steel Spindle Adapter (5 8 11 Threaded Shank Wet Dry Concrete Brick Masonry Deep Rig Drilling) Submersible Pump effectively stabilizing the blade to effectively stabilizing the blade to prevent sideways movement and vibration for a flawless finish Specification Value Brand Name Freud Model Number LM72M012 Blade Nominal Diameter 12 in 0 in Thread Size 5 8" 11 TPI Shank Type Threaded Connection Type Threaded Cap Adapter Material Steel Operating Environment Wet Dry Optimized Tool Compatibility Core Rig Drills Handheld Core Drills Primary Applications Concrete 0 in Extension Reach 6