Century Drill And Tool Multi Material Drill Bit 1/4″ Cutting Length 4″ Overall Length 6″ Size:1/4″ X 4″ X 6″ burst protection guard provides quick

burst protection guard provides quick adjustments for user security

9 inch lead

meets new naeca 2015 efficiency standards

Removable gasket protects against debris

Century Drill And Tool Multi Material Drill Bit 1/4″ Cutting Length 4″ Overall Length 6″ Size:1/4″ X 4″ X 6″ burst protection guard provides quickMicro 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.