Century Drill And Tool 5/16″ Multi Material Drill Bit Size:5/16″ Features a spring-loaded door that

Features a spring-loaded door that is easy to bait and set and quick to release

without the problems

Stainless steel shaft and mounting screws

Double head

Leaves a tough coating you can paint over

Century Drill And Tool 5/16″ Multi Material Drill Bit Size:5/16″ Features a spring-loaded door thatMicro 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