Industrial grade, high speed steel countershark boring attachment makes clearance holes for bolts and countersinks the head or washer in one pass. Six outer diameter cutting teeth makes fast and clean cuts in wood while leaving a smooth finish. This tool fits onto SHARK-BIT Drill Bits and auger bits 5/8″ or larger in diameter. Available in sets
| KIT NAME | Sizes Included (IN.) | PART NUMBER | UPC NUMBER 722170- |
| KIT 1 (2PC) | 11/16″ and 2-1/4″ | 909.Kit1 | 90921 |
| KIT 2 (4PC) | 9/16″, 11/16″, 13/16″, and 2-1/4″ | 909.Kit2 | 90922 |
| KIT 3 (3PC) | 1-1/2″, 2-1/4″, and 3-1/4″ | 909.Kit3 | 90923 |
