Drill glass, tile, porcelain and ceramic. Use constant flow of coolant and clear chips frequently.
A light feed with steady pressure at 25 SFM (300 to 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.
High Temperature Brazed Carbide Spear Point / Tool Steel Body
WARNING: This Product Can Expose You To Materials And/Or Chemicals Which Are Known To The State Of California To Cause Cancer And/Or Reproductive Harm.
