- Drive Shank: 1/4 Inch Hex Power Bit Shank
- Drill Size: 11/64 Inch HSS Tapered Twist Drill
- Counterbore Size: 3/8 Inch x 82 degree angle
- Recommended Screw Size: #8 (Tapered Wood Screw)
Drill a pilot hole and countersink or counterbore for tapered screws or use to drill a clearance hole for straight screws. New design, now featuring a reusable hex shank for use with round shank tapered twist drills.