9 Pieces Countersink Drill Bit Set, 5 Sizes Two-Flute Tapered HSS Drill Bits with Adjustable Depth Stop Collar and Wrench, Woodworking Tools for Screw Pilot Holes in Softwood Hardwood MDF
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Special Features
Premium High-Speed Steel Construction:Crafted from high-speed steel (HSS), this countersink drill bit set maintains good sharpness and wear resistance for everyday woodworking tasks. The precision-ground spiral design produces clean, smooth pilot holes and countersinks, making it a reliable choice for DIY and professional use
Adjustable Depth Stop Collar with Anti-Scratch Design: Equipped with a precision-engineered aluminum depth stop collar. Simply use the included wrench to adjust the drilling depth, allowing you to create identical, uniform countersinks across every single hole. The rotating rubber-coated contact surface prevents unsightly marks or damage to your workpiece
Multi-Material Compatibility for Various Projects: This tapered drill bit set is optimized for 82-degree standard screws and works well in a variety of materials, including softwood, hardwood, plywood, MDF, particle board, and soft aluminum sheets. Ideal for door hinge installation, furniture assembly, and DIY crafts Versatile All-Season Outdoor Tool
Complete Kit with Organized Storage Case: Comes with 5 two-flute tapered countersink bits (Sizes: 1/8"×3/8", 9/64"×3/8", 5/32"×3/8", 11/64"×1/2", 3/16"×1/2") to fit common screw sizes, plus 1 wrench and 1 depth stop collar. All items are stored in a sturdy, compact plastic case with individual compartments, keeping your workshop organized and bits secure
Pro Tip for Best Results: For clean edges and to extend the life of your HSS drill bits, we recommend operating your drill at a slow speed (approximately 200 RPM). This technique produces a cleaner hole and prevents heat buildup that can dull the bits