HSS Drill Bit Set, 4 Pieces, Cone Drill Bit, 1/4" Hex Shank Hole Saw Drill Bit, Woodworking Tools + L-Wrench

1. Four HSS drill bits for drilling holes with #6, #8, #10, and #12 screw sizes. 2. Specially designed steel countersink cutters or counterbore holes. Drill and countersink for wood screws without changing bits. 3. Adjustable countersink depth with a 6.35mm hex key. The standard hex shank is fast change compatible. 4. The drilling length can be adjusted for different screw lengths simply by loosening and tightening the adjustment screw. 5. Suitable for drilling workpieces with a hardness below 25HRC, such as carbon steel, sheet iron, insulation board, PVC sheet, wood board, etc. Use on a drill with a chuck or connector. Specification: Description: These drill bits, constructed from high-strength HSS, are ideal for drilling materials with a hardness below 25HRC, such as carbon steel, sheet iron, insulation board, PVC board, wood paneling, etc. Features: 4 HSS drill bits for drilling holes with #6, #8, #10, and #12 screws. Specially designed steel counter sleeve for countersinking or counterboring. Adjustable counter sleeve depth with hex key. The standard 6.35mm hex shank is compatible with quick-change bits. Drill and countersink wood screws without changing the bit. The drilling length can be adjusted for different screw lengths simply by loosening and tightening the adjustment screw. Suitable for drilling parts with a hardness below 25HRC, such as carbon steel, iron sheet, insulation board, PVC sheet, wood panel, etc. Use on a drill with a chuck or connector. Specifications: Condition: 100% Brand New Material: HSS 4241 Color: As pictured. Drill Bit Sizes: #6, #8, #10, #12 #6: 2.38 mm #8: 2.78 mm #10: 3.175 mm #12: 3.56 mm Hex Shank Diameter: 6.35 mm (1/4") Other Sizes: As pictured. Package Includes: 4 x Drill Bits 1 x Hex Key Note: Please note that the new and old types of this product will be sent randomly, and make sure you do not mind this before ordering.