{"product_id":"8-piece-hss-countersink-drill-bit-set-woodworking-chamfer","title":"8-Pc HSS Countersink Drill Bit Set – Woodworking Chamfer","description":"\n\u003ch2\u003e8-Piece HSS Countersink Drill Bit Set for Woodworking \u0026amp; Metal\u003c\/h2\u003e\n\u003cp\u003eTake your drilling projects to the next level with this professional-grade \u003cstrong\u003e8-piece HSS countersink drill bit set\u003c\/strong\u003e. Engineered from HSS 4241 high-speed steel with a titanium nitride coating, these bits cut cleanly through wood, plastic, aluminum, and other metals — delivering precise chamfered holes and smooth, burr-free edges every time.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're a seasoned woodworker or a weekend DIY enthusiast, this versatile set gives you everything you need to create perfect countersink, counterbore, and pilot holes in one pass. Each bit is paired with a wrench for quick, easy adjustments.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHSS 4241 Drill Head\u003c\/strong\u003e with titanium nitride coating for superior cutting performance and extended durability\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Speed Steel #45 Chamfer Body\u003c\/strong\u003e — heat-treated and tempered for toughness\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSingle Flute, 90° Chamfer Angle\u003c\/strong\u003e for clean, accurate countersinking\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e15° Chamfer\u003c\/strong\u003e to enlarge holes and deburr edges effortlessly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRound Shank\u003c\/strong\u003e compatible with standard drill chucks\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorks on:\u003c\/strong\u003e Wood, plastic, aluminum, steel, and other metals\u003c\/li\u003e\n  \u003cli\u003eEach bit includes a \u003cstrong\u003ededicated wrench\u003c\/strong\u003e for fast, secure bit changes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSet Dimensions\u003c\/h3\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #f5f5f5;\"\u003e\n      \u003cth style=\"border: 1px solid #ddd; padding: 8px;\"\u003eDiameter\u003c\/th\u003e\n      \u003cth style=\"border: 1px solid #ddd; padding: 8px;\"\u003eLength\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e3 mm\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e52 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e4 mm\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e67 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e5 mm\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e85 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e6 mm\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e90 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e7 mm\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e103 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e8 mm\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e115 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e10 mm\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e120 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e7 × Silver HSS Countersink Drill Bits (3 \/ 4 \/ 5 \/ 6 \/ 7 \/ 8 \/ 10 mm)\u003c\/li\u003e\n  \u003cli\u003e7 × Matching Wrenches (one per bit)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMaterial \u0026amp; Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Head Material:\u003c\/strong\u003e HSS 4241 with titanium nitride coating\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChamfer Body Material:\u003c\/strong\u003e No. 45 high-speed steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Type:\u003c\/strong\u003e Round handle\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eMade in China\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePair It With These Store Favorites\u003c\/h3\u003e\n\u003cp\u003eComplete your toolkit with these related items from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/screw-extractor-drill-bit-set-carbon-steel-double-sided\"\u003eScrew Extractor Drill Bit Set 5 \u0026amp; 6 Pc – Carbon Steel\u003c\/a\u003e — perfect companion for stubborn screws\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/adjustable-label-roll-holder-3d-printed-thermal-printer-stand\"\u003eAdjustable Label Roll Holder – 3D Printed Thermal Printer Stand\u003c\/a\u003e — keep your workshop organized\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/silicone-cable-ties-reusable-cord-organizers-10-pack\"\u003e10-Pack Silicone Cable Ties – Reusable Cord Organizers\u003c\/a\u003e — tidy up your power tool cables\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 materials can these HSS countersink drill bits be used on?\u003c\/h4\u003e\n\u003cp\u003eA: These HSS 4241 titanium-coated countersink drill bits are designed for use on wood, plastic, aluminum, steel, and other soft to medium-hard metals. The titanium nitride coating enhances hardness and reduces friction for cleaner cuts across all these materials.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Do the bits fit standard drill chucks?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. Each bit features a standard round shank that fits most conventional drill chucks, making them compatible with corded and cordless drills, drill presses, and similar tools.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the chamfer angle on these drill bits?\u003c\/h4\u003e\n\u003cp\u003eA: These countersink drill bits feature a single-flute 90-degree chamfer angle with a 15-degree chamfer edge, ideal for countersinking screw heads flush with the surface and deburring hole edges cleanly.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many bits are in the set and what sizes are included?\u003c\/h4\u003e\n\u003cp\u003eA: The set contains 7 drill bits in sizes 3 mm, 4 mm, 5 mm, 6 mm, 7 mm, 8 mm, and 10 mm, each supplied with its own wrench for easy, tool-free adjustments.\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 materials can these HSS countersink drill bits be used on?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These HSS 4241 titanium-coated countersink drill bits are designed for use on wood, plastic, aluminum, steel, and other soft to medium-hard metals. The titanium nitride coating enhances hardness and reduces friction for cleaner cuts across all these materials.\"}}, {\"@type\": \"Question\", \"name\": \"Do the bits fit standard drill chucks?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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