Champion's Glass & Tile Drills

High temperature brazed carbide spear point, straight shank, tool steel bodyApplication: Used to drill glass, tile, porcelain and ceramic. Use constant flow of coolant and clear chips frequently. A light feed with steady pressure at 25 SFM (300to 600 rpm) is recommended. Material should be backed with wood or rubber for support during drill breakthrough. Avoid vibration and excessive stress. Keep drill sharp to eliminate excessive pressure.