Glass Drill Bits
Drill glass, tile, porcelain, and ceramicHigh Temperature Brazed Carbide Spear PointTool Steel Body- Straight ShankUse constant flow of coolant and clear chips frequentlyA steady pressure at 25 SFM (300 to 600 RPM) is recommendedMaterial should be backed with wood or rubber for support during drill breakthrough.Avoid vibration and excessive stressKeep drill sharp to avoid excessive pressure
