Montana Brand diamond tile drill bits provide outstanding performance in ceramic, porcelain, granite, slate, marble, glass and most all hard surface materials. Drill holes for water supply lines, drains, electrical/wiring, towel bars and fixture installations.

• • 15X Longer life versus carbide tip spade drill bits
• • 10X Faster drilling than standard glass and tile drill bits
• • Patented diamond sintered tip for easy start
• • Compatible with all corded and cordless drills
• • Large core ejection slot for easy material and plug removal
• • Reverse thread spiral for continuous water feed