Century Drill And Tool Multi Material Drill Bit 1/4″ Cutting Length 4″ Overall Length 6″ Brand_Lithonia increase R-value up to 90%

increase R-value up to 90%

uses 83% less energy

Chrome plated

Lead Free Compliant To Federal Law 111-380

Century Drill And Tool Multi Material Drill Bit 1/4″ Cutting Length 4″ Overall Length 6″ Brand_Lithonia increase R-value up to 90%Micro grain carbide tip provides maximum hardness and heat resistance reducing wear during extreme cutting applications. Self centering, 118 point with 4 sharpened edges bores through multiple materials easily and accurately without walking or wandering. S ground flute design optimizes material removal. Tips: For best result start by drilling through he softest material first and working yourself up to the hardest. Use percussion for concrete only.