Simultaneously countersink or counterbore screw pilot holes with this handy little drill set.
- Four piece set includes bits for drilling pilot holes for screw sizes #6, #8, #10, and #12
- Special designed steel sleeve countersinks or counterbores pilot hole
- Adjustable counter sleeve depth with allen key wrench
- Standard 1/4in hex shank is quick change compatible
- TiN coated brad point pilot drill bits (#6 bit is not brad point)