Sabre Tools 3-Piece Wood Countersink Drill Bit Set #6, #8, #10 – 1/4” Quick Change Shank, Depth Adjustable, Tapered Design – 3-piece countersink bit set; #6 (9/64”), #8 (11/64”), and #10 (3/16”)with Allen wrench- Drill, countersink, and counterbore in one step. Fits all standard drills and impact drills with 1/4” chucks. – Easy to use: 2 screws for countersink and predrill depth adjustment allows use with different screw lengths- Best for woodworking applications; hard wood, soft wood, plywood, MDF, particle board and plastics. – Design – Tapered countersink bit design provides clean, fast, and accurate holes. 4-cutter countersink keeps a sharp edge for smooth boreholes. DescriptionDrill, countersink, and counterbore in one easy step. Sabre Tool’s precision countersink allows for high accuracy with adjustable 4-cutter counterbore and sharp point tip. Our tools have been extensively tested to ensure the highest possible quality. Details:✅ Fits all standard 1/4” quick change chucks, including impact drills✅ Fast and smooth chip removal on all countersink applicationsNOTE: Apply even pressure on the bit. Applying lateral forces increases the chance of tip breakageNOTE: Keep drilling depth and screw length equal for best results Package Includes:1 – #6 Countersink drill bit1 – #8 Countersink drill bit1 – #10 Countersink drill bit1 – Allen wrench Warranty:Sabre Tools is confident in the construction of all of our products. They are designed, engineered and manufactured to the highest possible standards; optimizing durability and service life. If you are unsatisfied with your purchase in any way please feel free to return the item to Sabre Tools for a full replacement. Warranty excludes dull and misused bits.