3pc Diamond Drill Bit Set

Segmented cutting edge for irrigation and debris removal: Hollow bore creates cutting edge guide: Patented sintered diamond edge technology: Reverse thread spiral for continuous water feed: Core ejection slot for easy plug removal: Tri-flat shank for maximum drill chuck grip and eliminates bit spin-out: Black oxide finish prevents corrosion and increases performance: Heavy-Duty single piece construction: Heat-Treated high-alloy steel

10X Faster than standard glass & tile drill bits

15X Longer life than standard spade type drill bits

40+ holes drilled per drill bit

California Residents Prop 65 warning: Products may contain a chemical known to the State of California to cause cancer, birth defects or other reproductive harm.

This product has a manufacturer warranty against defects in materials and workmanship for a period of ONE (1) YEAR from the date of original retail purchase. See our Seller Return Policy for more details.