Cle-Line 1822 5/16 HSS Heavy-Duty Bright Glass and Tile Carbide-Tipped Drill

New harder carbide grade. 4-sided design “diamond style” tip improves precision and penetration. Spear point produces clean smooth finish. Drills up to class 3 ceramic tiles. Run at 25 SFM with moderate consistent feed for best results. Used dry. Suitable for more materials, such as non-tempered glass, plastic, composite, brick and marble. This drill has a right hand direction of rotation.