Diamond Products Wet Coring Bit 10022 1 3 4 Inch Star Blue (13 Inch Depth 5 8 Inch Thread Concrete Drilling) Random Orbit Sanders Industrial Structural Assembly: Securing heavy Industrial Structural Assembly: Securing heavy steel beams and machinery mounts with high torque 3 4 inch drive impact air tools Outfitted with an oversized checkered strike face that prevents glancing blows Electrical Conduit Runs: Penetrates heavy masonry and brick to route electrical conduit with minimal rotational vibration continuous water flow to flush out concrete slurry while keeping operational speeds strictly below the 2274 RPM threshold