Century Drill And Tool Glass And Tile Masonry Drill Bit 5/16″ Size:5/16″ Crystals swell to absorb water

Crystals swell to absorb water

Spray and walk away to naturally break down deeply trapped dirt

Non-stick coating resists sap and heat build-up while cutting

rope (especially nylon) may recoil or snap back

Round bottom and squared sides

Century Drill And Tool Glass And Tile Masonry Drill Bit 5/16″ Size:5/16″ Crystals swell to absorb waterIdeal 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.