{"product_id":"7-piece-tapered-countersink-drill-bit-set-adjustable-stop-collars","title":"7-Pc Tapered Countersink Drill Bit Set with Stop Collars | HSS","description":"\u003ch2\u003e7-Piece Tapered Countersink Drill Bit Set with Adjustable Stop Collars\u003c\/h2\u003e\n\u003cp\u003eAchieve perfectly flush screw finishes every time with this professional-grade \u003cstrong\u003e7-Piece Tapered Countersink Drill Bit Set\u003c\/strong\u003e by Binoax. Engineered for woodworking enthusiasts and professionals alike, this comprehensive kit lets you drill pilot holes, countersinks, and counterbores in a single pass — saving you time and delivering clean, precise results.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose This Countersink Drill Set?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3-in-1 Operation:\u003c\/strong\u003e Drills the pilot hole, clearance hole, and countersink all at once — no need to swap bits mid-project.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Stop Collars:\u003c\/strong\u003e Each tapered bit comes with a sliding collar stop so you can precisely control the depth of your pilot hole and countersink every time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTapered Design:\u003c\/strong\u003e Tapered drill bits provide superior gripping power versus standard straight bits, reducing the chance of screw cam-out and wood splitting.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDeburring Capability:\u003c\/strong\u003e Use these countersink bits to remove burrs left from drilling or tapping operations, improving surface finish and eliminating sharp edges.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Speed Steel (HSS) Construction:\u003c\/strong\u003e Durable, heat-resistant HSS material keeps edges sharp through extended use on hardwoods and softwoods.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE Certified:\u003c\/strong\u003e Meets CE safety standards for quality assurance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWooden Storage Box Included:\u003c\/strong\u003e Keeps all 22 pieces organized and protected between jobs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included (22-Piece Set)\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e7 × Tapered Drill Bits\u003c\/li\u003e\n  \u003cli\u003e7 × Countersink Bits\u003c\/li\u003e\n  \u003cli\u003e7 × Adjustable Collar Stops\u003c\/li\u003e\n  \u003cli\u003e1 × Hex Wrench Key\u003c\/li\u003e\n  \u003cli\u003e1 × Wooden Storage Box\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSize Chart\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eScrew Size\u003c\/th\u003e\n      \u003cth\u003eBit Diameter\u003c\/th\u003e\n      \u003cth\u003eChamfer Dimension\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e#5\u003c\/td\u003e\n\u003ctd\u003e1\/8\" (3.18 mm)\u003c\/td\u003e\n\u003ctd\u003e9.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e#6\u003c\/td\u003e\n\u003ctd\u003e9\/64\" (3.58 mm)\u003c\/td\u003e\n\u003ctd\u003e9.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e#7\u003c\/td\u003e\n\u003ctd\u003e5\/32\" (3.97 mm)\u003c\/td\u003e\n\u003ctd\u003e9.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e#8\u003c\/td\u003e\n\u003ctd\u003e11\/64\" (4.37 mm)\u003c\/td\u003e\n\u003ctd\u003e9.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e#9\u003c\/td\u003e\n\u003ctd\u003e3\/16\" (4.76 mm)\u003c\/td\u003e\n\u003ctd\u003e9.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e#10\u003c\/td\u003e\n\u003ctd\u003e13\/64\" (5.15 mm)\u003c\/td\u003e\n\u003ctd\u003e12.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e#12\u003c\/td\u003e\n\u003ctd\u003e7\/32\" (5.56 mm)\u003c\/td\u003e\n\u003ctd\u003e12.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFurniture making and cabinetry\u003c\/li\u003e\n  \u003cli\u003eDeck building and outdoor woodworking\u003c\/li\u003e\n  \u003cli\u003eGeneral carpentry and DIY home projects\u003c\/li\u003e\n  \u003cli\u003eAnywhere a flush or recessed screw head finish is required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-durable-gold-blade-nut-metal-universal-trimmer-accessories-anti-loosening-line-left-hand-thread-replacement-parts-1\"\u003e10pcs Durable Gold Blade Nut Metal Universal Trimmer Accessories\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/stainless-steel-self-tapping-screws-m2-2-m4-8-phillips-wood-hinge\"\u003e10PCS Stainless Steel Self-Tapping Screws M2.2–M4.8 Phillips\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10-20mm-diamond-flat-grinding-wheel-dry-and-wet-use-heavy-duty-concrete-grinder-wheel-blue-vacuum-brazed\"\u003e10\/20mm Diamond Flat Grinding Wheel – Dry and Wet Use Heavy Duty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What screw sizes is this tapered countersink drill set compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This 7-piece tapered countersink drill bit set is designed for screw sizes #5, #6, #7, #8, #9, #10, and #12 — covering the most commonly used wood screw sizes for cabinetry, furniture, and general woodworking projects.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this countersink drill set on hardwoods?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The bits are made from High Speed Steel (HSS), which is durable and heat-resistant, making them suitable for use on both softwoods and hardwoods. The tapered design also helps reduce splitting in dense wood grain.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do the adjustable collar stops work?\u003c\/h4\u003e\n\u003cp\u003eA: Each tapered drill bit includes a sliding collar stop that can be positioned along the bit shank and locked in place using the included hex wrench. This allows you to set a precise drilling depth so every countersink hole is consistent across your entire project.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is a storage case included with the set?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The set comes with a wooden storage box to keep all 22 pieces — 7 drill bits, 7 countersinks, 7 collar stops, and 1 hex wrench — neatly organized and protected when not in use.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What screw sizes is this tapered countersink drill set compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This 7-piece tapered countersink drill bit set is designed for screw sizes #5, #6, #7, #8, #9, #10, and #12 — covering the most commonly used wood screw sizes for cabinetry, furniture, and general woodworking projects.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use this countersink drill set on hardwoods?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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