Century Drill And Tool Glass And Tile Masonry Drill Bit 5/16″ Switches & Dimmers and moreUtilizes Spyder’s Rapid Core

and moreUtilizes Spyder’s Rapid Core Eject Arbor™ System — rapidly eject the core (without prying)

No bulky ends

Tough-Cut octagonal boron-carbide shackle is 50% harder than hardened steel

Only drill in rotary drilling mode

Gate Latch Bar can be mounted on the gate or post for versatility

Century Drill And Tool Glass And Tile Masonry Drill Bit 5/16″ Switches & Dimmers and moreUtilizes Spyder’s Rapid CoreIdeal for drilling ceramic, non tempered glass, plastic, composite, brick and marble. Quad cut copper brazed tip provides accurate drilling and better resistance to friction. Fluted shank design speeds up dust removal & performs well in thick materials. For use in wet or dry applications.