{"product_id":"hss-titanium-step-drill-bit-set-wood-metal-hole-cutter","title":"HSS Titanium Step Drill Bit Set | Wood \u0026 Metal Hole Cutter","description":"\n\u003ch2\u003eRDDSPON HSS Titanium-Coated Step Drill Bit Set\u003c\/h2\u003e\n\u003cp\u003eTake the guesswork out of drilling with the RDDSPON Straight Groove Step Drill Bit Set — a versatile collection of high-speed steel (HSS) step drill bits engineered for clean, precise, perfectly round holes in steel, brass, aluminum, wood, plastic, and more. Whether you're a seasoned tradesperson or a weekend DIY enthusiast, these titanium-coated bits deliver professional-grade performance every time.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose This Step Drill Bit Set?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium HSS Construction:\u003c\/strong\u003e Crafted from heat-treated High Speed Steel for exceptional hardness, long-lasting sharpness, and superior durability across demanding materials.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTitanium Coating:\u003c\/strong\u003e The gold titanium nitride (TiN) coating dramatically reduces friction and heat buildup during drilling, extending bit life and keeping cuts smooth and accurate.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStraight Groove Design:\u003c\/strong\u003e Efficient chip evacuation channels prevent clogging, keeping your work surface clean and your bit running cool.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Size in One Bit:\u003c\/strong\u003e Each step bit replaces a whole set of individual drill bits — step up or step down to your exact hole size without swapping tools.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal 6.35mm Hex Shank:\u003c\/strong\u003e Compatible with pistol drills, hand drills, cordless drills, and bench drills — fits most standard drill chucks instantly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDeburring Built In:\u003c\/strong\u003e Each step naturally deburrs and chamfers as you drill, leaving clean, finished edges without extra tools.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAvailable Models \u0026amp; Sizes\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color:#f5f5f5;\"\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:8px;\"\u003eModel\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:8px;\"\u003eSize Range\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:8px;\"\u003eSteps\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;\"\u003e3–12mm\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e3, 4, 5, 6, 7, 8, 9, 10, 11, 12mm\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e10 Steps\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e~78mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f9f9f9;\"\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e4–12mm\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e4, 6, 8, 10, 12mm\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e5 Steps\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e~67mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e4–20mm\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e4, 6, 8, 10, 12, 14, 16, 18, 20mm\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e9 Steps\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e~77mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f9f9f9;\"\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e4–32mm\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32mm\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e15 Steps\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e~104mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Options\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eIndividual bits: 3–12, 4–12, 4–20, or 4–32\u003c\/li\u003e\n  \u003cli\u003e3-in-1 Set: 3–12, 4–12, 4–20\u003c\/li\u003e\n  \u003cli\u003e3-in-1 Set: 4–12, 4–20, 4–32 (standard or boxed)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDrilling, deburring, chamfering, and expanding holes in metal sheet, wood panels, plastic boards, and more\u003c\/li\u003e\n  \u003cli\u003eElectrical panels, HVAC sheet metal, plumbing fixtures, woodworking projects, automotive bodywork\u003c\/li\u003e\n  \u003cli\u003eWorks with: Pistol drill, Hand drill, Cordless drill, Bench drill\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High Speed Steel (HSS)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating:\u003c\/strong\u003e Titanium Nitride (TiN)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank:\u003c\/strong\u003e Hexagonal, 6.35mm diameter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGroove Type:\u003c\/strong\u003e Straight groove\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-percent-better-every-day-motivational-canvas-wall-poster-inspirational-quote\"\u003e\"1% Better Every Day\" Motivational Canvas Poster | Wall Art\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor safe power tool operation guidelines, visit the OSHA Power Tools Safety Resource. For general tool and hardware safety standards, see CPSC Power Tool Safety.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What materials can the HSS titanium step drill bit cut through?\u003c\/h4\u003e\n\u003cp\u003eA: These HSS titanium-coated step drill bits are designed to cut through a wide range of materials including steel, stainless steel, brass, aluminum, copper, wood, MDF, plastic, and fiberglass sheet. The titanium nitride coating minimizes friction and heat, making them highly effective on both metal and non-metal surfaces.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Which drill is compatible with this step drill bit set?\u003c\/h4\u003e\n\u003cp\u003eA: The 6.35mm (1\/4\") hexagonal shank fits virtually all standard drill chucks, making these bits compatible with pistol drills, cordless hand drills, charging\/battery drills, and bench-mounted drill presses.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I choose the right model for my project?\u003c\/h4\u003e\n\u003cp\u003eA: Choose based on the hole sizes you need most. The 3–12mm model is ideal for smaller, precision holes in increments of 1mm. The 4–12mm and 4–20mm models cover mid-range holes in 2mm increments, while the 4–32mm model is best for large holes up to 32mm, progressing in 2mm steps — perfect for conduit, cable glands, or larger fittings.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the titanium coating wear off over time?\u003c\/h4\u003e\n\u003cp\u003eA: The titanium nitride (TiN) coating is applied through a heat-treatment bonding process, so it bonds tightly to the HSS base. With proper use — avoiding excessive force and drilling at recommended speeds — the coating maintains excellent performance over extended use. Avoid using the bits on very hard alloys beyond their rated capacity to preserve coating integrity.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use these bits for deburring or chamfering?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! One of the key advantages of a step drill bit is its built-in deburring capability. As you drill through sheet metal or thin materials, the stepped profile automatically cleans and chamfers the edge of the hole, leaving a smooth, finished opening without the need for a separate deburring tool.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What materials can the HSS titanium step drill bit cut through?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These HSS titanium-coated step drill bits are designed to cut through a wide range of materials including steel, stainless steel, brass, aluminum, copper, wood, MDF, plastic, and fiberglass sheet. 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