4Pcs Carbon Steel Drill Bit Kit 612# with Hex Wrench Woodworking Tool Accessories

Feature: 1. 4pcs drill bit set includes bits for drilling pilot holes for screw sizes #6, #8, #10 and #12. 2. Special designed steel counter sleeve countersinks or counter bores pilot hole. 3. Drilling length can be adjusted for various length screws simply by loosening and tightening the setscrew. 4. Drill and countersink for wood screws without changing the drill bit. 5. The standard hex shank is compatible with rapid changes, adjustable counter sleeve depth and wrench. Specification: Condition: 100percent Brand New Item Type: Drill Bit Material: Carbon Steel Drill Bit: 4241 Color: Black Size: Approx. 6#: 2.38mm (0.0937 inch) x 55mm 2.17in (L) 8#: 2.78mm (0.1094 inch) x 60mm 2.36in (L) 10#: 3.175mm (0.125 inch) x 63mm 2.48in (L) 12#: 3.56mm (0.14 inch) x 65mm 2.56in (L) Hex Shank Diameter: Approx. 6.35mm 0.3in. Package List: 4 x Drill Bit1 x Hex Wrench4pcs drill bit set includes bits for drilling pilot holes for screw sizes #6, #8, #10 and #12. Special designed steel counter sleeve countersinks or counter bores pilot hole. Drilling length can be adjusted for various length screws simply by loosening and tightening the setscrew. Drill and countersink for wood screws without changing the drill bit. The standard hex shank is compatible with rapid changes, adjustable counter sleeve depth and wrench.