Century Drill And Tool 5/16″ Multi Material Drill Bit

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.
Cutting Length 3″ Overall Length 4-1/2″

Tips: For best result start by drilling through he softest material first and working yourself up to the hardest. Use percussion for concrete only. Appropriate use will extend drill life.