Bluelans® 4 pcs HSS Countersink Drill Bit Set with Quick Change Hex Shank Screw #6#8#10#12

Drill and countersink for wood screws without changing bits Drilling length can be adjusted for various length screws simply by loosening and tightening the setscrew Simultaneously countersink and counter bore screw pilot holes 4pec/set includes bits for drilling pilot holes for screw sizes #6, #8, #10, and #12 Adjustable counter sleeve depth with Allen wrench. Standard hex shank is quick change compatible., Manufacturer: Bluelans