Diablo 916 In x 4 In x 6 In Rebar Demon SDSPlus 4Cutter Full Carbide Head Hammer Drill Bit The Rebar Demon Bits Feature Up To 2X More DuraCarbide To Withstand Up To 1800degreeF Of Intense Heat Whereas Standard Bits Fail At 800degreeF Diablo’s Impact Resistant 4Cutter FullCarbide Head Withstands The Stress Of HighPowered Hammer Drills And The Impact Of Rebar By Taking Small Bites Of Rebar To Deliver Controlled Carbide Wear, Reduced Vibration And Up To 7X Longer Life Produced With TriMetal Fusion Welding, The FullCarbide Head Resists Heat And Prevents Breakage In Extreme Impact Situations Precision Tip Delivers The Stability And Accuracy Required To Produce Fast, Precise Holes In Reinforced Concrete For Anchor Setting