Irwin Glass & Tile Drill Bit 4mm 10507903

The IRWIN Glass & Tile Drill Bit is designed for precise drilling in hard materials such as glass, porcelain, ceramics, and tiles. This 4 mm bit features a straight helical flute and is made from high-quality steel with a silver finish, delivering clean and efficient cuts. Sold as a pack of 10, it is suitable for professional and DIY projects. For best results, operate at low speed (around 300 RPM) and use water cooling to prolong tool life. The bit should be used in a compatible drill with variable speed control, and is not intended for hammer drill settings.

Specifications

• Size: 4 mm
• Material: high-quality steel with silver finish
• Design: straight helical flute
• Quantity: pack of 10
• Recommended speed: 300 RPM
• Cooling: water recommended; not for hammer drills

Do not use on hammer drill settings. Use with low RPM (around 300) and water cooling to prolong tool life.