• Our Diamond Max 7/8" hole saw bit delivers up to 20X longer life with unmatched cuts in porcelain
• Diamond Max hole saw offer best-in-class performance with higher-grade diamonds and superior retention
• Features Maximum wear resistance to tackle the most demanding applications
• The improved diamond grit delivers faster cutting and quickly grips into material for clean, easy cuts
• Designed for more cutting with less clogging
• Unmatched cuts in porcelain
• Maximum diamond durability and retention
• Fastest cutting in porcelain
• Faster starts and less slipping
• More cutting, less clogging
• Dip bit in water before each cut
• 1/4" hex shank
• Diameter: 7/8"