Irwin Glass & Tile Drill Bit 4mm IRW10507903

General description The IRWIN Glass & Tile Drill Bit is specifically designed for precise drilling in hard materials such as glass, porcelain, ceramics, and tiles. With a diameter of 4mm, this drill bit provides clean and efficient cuts, making it ideal for both professional and DIY projects. Its durable construction and lightweight design enhance usability, while the straight helical flute ensures high accuracy during operation. Technical specifications Diameter: 4 mm Material: High-quality steel with silver finish Design: Straight helical flute Recommended speed: 300 RPM Quantity: Pack of 10 Compatibility and accessories Suitable for drilling glass, porcelain, ceramics, and tiles Not compatible with hammer drill settings Installation Use in a compatible drill with variable speed control Operate at low RPM (around 300 RPM) for best results Cooling with water is recommended during use to prolong tool life Usage Mark the drilling spot clearly before starting Set the drill to low speed