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:
Brand: Montana, Model: MB-65207