{"product_id":"hss-titanium-step-drill-bit-set-3-12mm-4-12mm-4-20mm","title":"HSS Titanium Step Drill Bit Set – 3-12mm, 4-12mm, 4-20mm","description":"\n\u003ch2\u003eHSS Titanium-Coated Step Drill Bit Set – 3-12mm, 4-12mm \u0026amp; 4-20mm\u003c\/h2\u003e\n\u003cp\u003eTake your drilling game to the next level with this versatile HSS Titanium-Coated Step Drill Bit Set. Whether you're punching clean holes through sheet metal, aluminum, wood, PVC, or insulation boards, these precision-ground step bits deliver smooth, accurate results every time. The titanium coating adds extra hardness and extends the bit's working life — making this set a smart addition to any workshop or job site toolkit.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose These Step Drill Bits?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTitanium Coated Surface:\u003c\/strong\u003e Reduces friction and heat build-up during cutting, extending bit longevity and improving cut quality.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpiral Groove Design:\u003c\/strong\u003e Superior chip removal, better guidance, and smoother cutting compared to standard straight-groove step drills.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHexagon Shank:\u003c\/strong\u003e Anti-slip hex shank fits securely into most standard drill chucks and quick-release drivers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThree Size Options:\u003c\/strong\u003e Choose from 3-12mm, 4-12mm, or 4-20mm to match your specific project needs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Material Use:\u003c\/strong\u003e Ideal for thin iron plates, aluminum, insulation boards, PVC, and wooden boards up to 4mm thick.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDeburring \u0026amp; Chamfering:\u003c\/strong\u003e Doubles as a deburring and chamfering tool for clean, finished edges.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE Certified:\u003c\/strong\u003e Meets European safety and quality standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-Speed Steel (HSS 4241)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurface Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTitanium Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHead Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHexagon Shank\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable Sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3-12mm \/ 4-12mm \/ 4-20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSuitable Workpiece Hardness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBelow 25° (e.g. wood, thin iron plate, aluminum)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × HSS Titanium-Coated Step Drill Bit (size of your choice)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGreat Products to Pair With This Set\u003c\/h3\u003e\n\u003cp\u003eLooking for more workshop essentials? Check out our \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 for tough fastener removal. Need to keep your workspace tidy? Our \u003ca href=\"\/products\/silicone-cable-ties-reusable-cord-organizers-10-pack\"\u003e10-Pack Silicone Cable Ties – Reusable Cord Organizers\u003c\/a\u003e help manage power tool cords and cables with ease.\u003c\/p\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 titanium step drill bits cut through?\u003c\/h4\u003e\n\u003cp\u003eA: These step drill bits are designed for materials with a hardness below 25°, including thin iron plates, aluminum sheets, PVC boards, insulation boards, and wooden boards up to 4mm thick. They are not recommended for hardened steel or stainless steel.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the advantage of the spiral groove design over a straight groove step drill?\u003c\/h4\u003e\n\u003cp\u003eA: The spiral groove design offers stronger chip removal, better guidance, and smoother cutting performance compared to traditional straight-groove step drills. This results in cleaner holes and less heat build-up during use.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Do these step drill bits fit standard drill chucks?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The hexagon (hex) shank design fits the vast majority of standard drill chucks and quick-release drill drivers, providing a secure, anti-slip grip during operation.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Which size step drill bit should I choose for my project?\u003c\/h4\u003e\n\u003cp\u003eA: Choose the 3-12mm bit for smaller hole sizes, the 4-12mm for a similar range with a slightly larger start diameter, and the 4-20mm if you need to drill larger holes up to 20mm in diameter. Select based on the maximum hole diameter your project requires.\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 titanium step drill bits cut through?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These step drill bits are designed for materials with a hardness below 25°, including thin iron plates, aluminum sheets, PVC boards, insulation boards, and wooden boards up to 4mm thick. They are not recommended for hardened steel or stainless steel.\"}}, {\"@type\": \"Question\", \"name\": \"What is the advantage of the spiral groove design over a straight groove step drill?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The spiral groove design offers stronger chip removal, better guidance, and smoother cutting performance compared to traditional straight-groove step drills. This results in cleaner holes and less heat build-up during use.\"}}, {\"@type\": \"Question\", \"name\": \"Do these step drill bits fit standard drill chucks?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The hexagon (hex) shank design fits the vast majority of standard drill chucks and quick-release drill drivers, providing a secure, anti-slip grip during operation.\"}}, {\"@type\": \"Question\", \"name\": \"Which size step drill bit should I choose for my project?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Choose the 3-12mm bit for smaller hole sizes, the 4-12mm for a similar range with a slightly larger start diameter, and the 4-20mm if you need to drill larger holes up to 20mm in diameter. Select based on the maximum hole diameter your project requires.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/80721r-dv.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/80721r-dv.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"HSS Titanium Step Drill Bit Set – 3-12mm, 4-12mm, 4-20mm\", \"item\": \"https:\/\/80721r-dv.myshopify.com\/products\/hss-titanium-step-drill-bit-set-3-12mm-4-12mm-4-20mm\"}]}\u003c\/script\u003e","brand":"SPOT","offers":[{"title":"4-20mm Triangle","offer_id":67629622690042,"sku":"14:173#4-20mm Triangle","price":8.8,"currency_code":"USD","in_stock":true},{"title":"4-12mm Triangle","offer_id":67629622722810,"sku":"14:94#4-12mm Triangle","price":6.78,"currency_code":"USD","in_stock":true},{"title":"4-32mm Triangle","offer_id":67629622755578,"sku":"14:175#4-32mm Triangle","price":17.15,"currency_code":"USD","in_stock":true},{"title":"4-22mm Hexagon","offer_id":67629622788346,"sku":"14:350853#4-22mm Hexagon","price":10.65,"currency_code":"USD","in_stock":true},{"title":"4-20mm Hexagon","offer_id":67629622821114,"sku":"14:350852#4-20mm Hexagon","price":8.91,"currency_code":"USD","in_stock":true},{"title":"3 in 1 Hexagon","offer_id":67629622853882,"sku":"14:29#3 in 1 Hexagon","price":15.48,"currency_code":"USD","in_stock":true},{"title":"4-32mm Hexagon","offer_id":67629622886650,"sku":"14:10#4-32mm Hexagon","price":17.71,"currency_code":"USD","in_stock":true},{"title":"4-12mm Hexagon","offer_id":67629622919418,"sku":"14:350850#4-12mm Hexagon","price":6.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0867\/1415\/5258\/files\/Sba70d0a30dbc4042b45df6392bf2fc8e8.webp?v=1791077283","url":"https:\/\/spotmartusa.com\/products\/hss-titanium-step-drill-bit-set-3-12mm-4-12mm-4-20mm","provider":"SPOT","version":"1.0","type":"link"}