{"product_id":"10-piece-hss-imperial-step-drill-bits-set-4-flute-hex","title":"10‑Piece HSS Imperial Step Drill Bits · 4‑Flute Hex Shank","description":"\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/4e00d2ea0bf34a0aa5e83bd3ce8629fc_tplv-fhlh96nyum-origin-jpeg.jpg?v=1774258749\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e \u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, maximum-scale=1.5\"\u003e\u003c\/p\u003e\n\u003cstyle\u003e\n        \/* 🚀 encapsulated styles – prefix \"hss-step\" to avoid theme conflicts *\/\n        .hss-step-product {\n            max-width: 1200px;\n            margin: 0 auto;          \/* centered within shopify block, no side paddings *\/\n            background: #ffffff;\n            color: #111111;\n            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;\n            line-height: 1.5;\n            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       margin-bottom: 1.25rem;\n            font-size: 1.05rem;\n            border-bottom: 1px dashed #f0f0f0;\n            padding-bottom: 0.75rem;\n        }\n        .hss-step-features li:last-child {\n            border-bottom: none;\n        }\n        .hss-step-features .emoji-bullet {\n            font-size: 1.6rem;\n            line-height: 1.2;\n            min-width: 2.2rem;\n            text-align: left;\n        }\n        .hss-step-features strong {\n            font-weight: 600;\n            color: #1e3c5c;\n            margin-right: 0.25rem;\n        }\n\n        \/* tables *\/\n        .hss-step-table-wrapper {\n            overflow-x: auto;\n            margin: 1.5rem 0 2rem 0;\n            border-radius: 12px;\n            border: 1px solid #e2e8f0;\n            background: #fafbfc;\n        }\n        .hss-step-table {\n            width: 100%;\n            border-collapse: collapse;\n            font-size: 0.95rem;\n            min-width: 600px;\n        }\n        .hss-step-table th {\n            background: #1e3c5c;\n            color: white;\n            font-weight: 600;\n            padding: 14px 12px;\n            text-align: left;\n            white-space: nowrap;\n        }\n        .hss-step-table td {\n            padding: 12px;\n            border-bottom: 1px solid #dde1e6;\n            vertical-align: top;\n        }\n        .hss-step-table tr:last-child td {\n            border-bottom: none;\n        }\n        .hss-step-table td:first-child, \n        .hss-step-table th:first-child {\n            padding-left: 18px;\n        }\n        .hss-step-table td:last-child,\n        .hss-step-table th:last-child {\n            padding-right: 18px;\n        }\n\n        \/* drill subset table (for the 5 bits) *\/\n        .hss-step-subtable {\n            width: 100%;\n            border-collapse: collapse;\n            background: #ffffff;\n            border-radius: 8px;\n            overflow: hidden;\n            box-shadow: 0 1px 3px rgba(0,0,0,0.05);\n        }\n        .hss-step-subtable th {\n            background: #eef2f6;\n            color: #1e3c5c;\n            font-weight: 600;\n            padding: 10px 8px;\n            font-size: 0.9rem;\n            text-align: left;\n        }\n        .hss-step-subtable td {\n            padding: 10px 8px;\n            border-bottom: 1px solid #e2e8f0;\n        }\n        .hss-step-subtable tr:last-child td {\n            border-bottom: none;\n        }\n\n        \/* faq section – all expanded, no accordion *\/\n        .hss-step-faq {\n            margin: 2.5rem 0 1.5rem 0;\n            background: #f9f9fc;\n            border-radius: 24px;\n            padding: 1.8rem 2rem;\n        }\n        .hss-step-faq-item {\n            margin-bottom: 1.8rem;\n        }\n        .hss-step-faq-item:last-child {\n            margin-bottom: 0;\n        }\n        .hss-step-faq-question {\n            font-weight: 650;\n            font-size: 1.1rem;\n            margin-bottom: 0.4rem;\n            color: #0b253a;\n            display: flex;\n            align-items: center;\n            gap: 0.5rem;\n        }\n        .hss-step-faq-question .faq-emoji {\n            font-size: 1.4rem;\n        }\n        .hss-step-faq-answer {\n            padding-left: 2.2rem;\n            color: #2d3f4f;\n        }\n\n        \/* mobile fine‑tuning *\/\n        @media (max-width: 640px) {\n            .hss-step-product h2 {\n                font-size: 1.5rem;\n            }\n            .hss-step-features li {\n                font-size: 1rem;\n                gap: 0.5rem;\n            }\n            .hss-step-faq {\n                padding: 1.2rem;\n            }\n            .hss-step-faq-answer {\n                padding-left: 1rem;\n            }\n        }\n\n        \/* extra polish *\/\n        .hss-step-highlight {\n            background: #f2f7ff;\n            padding: 1.25rem 1.5rem;\n            border-radius: 20px;\n            margin: 2rem 0 0.5rem 0;\n            border-left: 5px solid #2a6e9b;\n        }\n        .hss-step-note {\n            font-size: 0.95rem;\n            color: #3b4b5e;\n        }\n        hr {\n            border: none;\n            border-top: 2px solid #eceff3;\n            margin: 2rem 0;\n        }\n    \u003c\/style\u003e\n\u003c!-- entire product description block – copy and paste into Shopify --\u003e\n\u003cdiv class=\"hss-step-product\"\u003e\n\u003cdiv class=\"hss-step-highlight\"\u003e\n\u003cp style=\"font-size: 1.15rem; margin-bottom: 0.5rem; font-weight: 500;\"\u003e🔧 \u003cstrong\u003ePrecision drilling \u0026amp; countersinking – one bit does it all\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003eWhether you're an \u003cstrong\u003eelectrician\u003c\/strong\u003e cutting through junction boxes, \u003cspan style=\"margin: 0px; padding: 0px;\"\u003ean \u003cstrong\u003eHVAC technician\u003c\/strong\u003e sizing holes in sheet metal, or a \u003cstrong\u003eDIY enthusiast\u003c\/strong\u003e working on custom metal fabrication, this 5‑piece HSS step drill set eliminates the need for \u003c\/span\u003econstant bit changes. Each bit combines a \u003cstrong\u003e4‑flute black \u0026amp; white spiral\u003c\/strong\u003e for chatter‑free cutting, a \u003cstrong\u003erobust hex shank\u003c\/strong\u003e for zero slip, and multiple stepped sizes for drilling, deburring, and countersinking in one smooth motion. Say goodbye to ragged edges and wasted time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- PRODUCT FEATURES (vertical list – great for SEO) --\u003e\n\u003ch2\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/b30b92e562a547cdb120b7efee8649c7_tplv-fhlh96nyum-origin-jpeg.jpg?v=1774258749\" alt=\"\"\u003e\u003c\/h2\u003e\n\u003ch2\u003e⚡ Key features of the HSS imperial step drill set\u003c\/h2\u003e\n\u003cul class=\"hss-step-features\"\u003e\n\u003cli\u003e\n\u003cspan class=\"emoji-bullet\"\u003e⚙️\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003ePremium high‑speed steel (HSS):\u003c\/strong\u003e Exceptional hardness and heat resistance for long service life even in stainless steel, alloy metals, and abrasive materials.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"emoji-bullet\"\u003e🌀\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003e4‑flute black \u0026amp; white spiral:\u003c\/strong\u003e Smoother cutting action, rapid chip evacuation, and noticeably cleaner holes in metal, plastic, and wood – reduces binding and heat buildup.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"emoji-bullet\"\u003e🔩\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003eHex shank (1\/4\" \/ 6.35 mm):\u003c\/strong\u003e Universal fit for all power drills, impact drivers, and screw guns. The hex grip prevents cam‑out and slipping during high‑torque drilling.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"emoji-bullet\"\u003e📏\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003e5 imperial step bits:\u003c\/strong\u003e Covers a wide range of hole sizes from 1\/16\" up to 1‑3\/8\". Ideal for electrical panels, conduit holes, auto repair, and ladder rack installation.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"emoji-bullet\"\u003e🥧\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003eIntegrated countersink \/ deburr:\u003c\/strong\u003e Each bit includes a dedicated chamfering section – quickly bevel holes for a professional flush finish. No secondary tools needed.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/1ca35d2b0eb24314af71e2850f95b78a_tplv-fhlh96nyum-origin-jpeg.jpg?v=1774258750\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- SPECIFICATIONS TABLE (including detailed bit breakdown) --\u003e\n\u003ch2\u003e📋 Technical specifications\u003c\/h2\u003e\n\u003cdiv class=\"hss-step-table-wrapper\"\u003e\n\u003ctable class=\"hss-step-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eHigh‑speed steel (HSS) – 4341 \/ M2 equivalent, hardness HRC 62‑65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShank type\u003c\/td\u003e\n\u003ctd\u003eHex shank (6.35 mm \/ 1\/4\") – fits all keyless and keyed chucks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlute design\u003c\/td\u003e\n\u003ctd\u003e4‑flute black \u0026amp; white spiral (split point)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eBlack oxide + bright spiral – reduces friction and adds rust resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal pieces\u003c\/td\u003e\n\u003ctd\u003e5-step drills\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of origin\u003c\/td\u003e\n\u003ctd\u003eDesigned in the USA \/ manufactured in an ISO‑certified facility\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background: #f2f6fc; font-weight: 600; padding: 12px;\" colspan=\"2\"\u003e🔩 STEP DRILL DETAILS (imperial sizes \u0026amp; countersink capacities)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0;\" colspan=\"2\"\u003e\n\u003c!-- nested table for the five bits (exact provided data) --\u003e\n\u003ctable class=\"hss-step-subtable\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBit #\u003c\/th\u003e\n\u003cth\u003eDrilling range (inches)\u003c\/th\u003e\n\u003cth\u003eCountersink\/chamfer (inches)*\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e1\/16 – 1\/2\u003c\/td\u003e\n\u003ctd\u003e3\/4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e1\/8 – 1\/2\u003c\/td\u003e\n\u003ctd\u003e5\/8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e1\/4 – 3\/4\u003c\/td\u003e\n\u003ctd\u003e1\/2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e3\/16 – 7\/8\u003c\/td\u003e\n\u003ctd\u003e3\/8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e7\/8 – 1-3\/8\u003c\/td\u003e\n\u003ctd\u003e1\/4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShank diameter (all)\u003c\/td\u003e\n\u003ctd\u003e6.35 mm (1\/4\") hex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eMetal sheets (up to 1\/4\" thickness), plastics, wood, drywall, PVC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli class=\"hss-step-note\"\u003eCountersink diameter indicates the largest hole that can be chamfered with that bit; actual chamfer size may vary depending on material thickness. The set includes five individual step bits, each with its own hex shank.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/e6b6924a798444c2b10b0d10a04d5f0a_tplv-fhlh96nyum-origin-jpeg.jpg?v=1774258749\" alt=\"\"\u003e\u003c\/p\u003e\n\u003c!-- FREQUENTLY ASKED QUESTIONS (expanded, no accordion) --\u003e\n\u003ch2\u003e❓ Frequently asked questions\u003c\/h2\u003e\n\u003cdiv class=\"hss-step-faq\"\u003e\n\u003c!-- FAQ 1 --\u003e\n\u003cdiv class=\"hss-step-faq-item\"\u003e\n\u003cdiv class=\"hss-step-faq-question\"\u003e\n\u003cspan class=\"faq-emoji\"\u003e🛡️\u003c\/span\u003e \u003cspan\u003eCan these HSS step bits drill through stainless steel or hardened metal?\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hss-step-faq-answer\"\u003eYes – the high‑speed steel construction (with proper hardness) handles stainless steel up to 1\/8\" thickness, mild steel, copper, brass, and aluminum. For hard metals, we recommend using cutting fluid or oil to prolong bit life and maintain a clean cut. Avoid excessive pressure; let the bit do the work.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- FAQ 2 --\u003e\n\u003cdiv class=\"hss-step-faq-item\"\u003e\n\u003cdiv class=\"hss-step-faq-question\"\u003e\n\u003cspan class=\"faq-emoji\"\u003e🔧\u003c\/span\u003e \u003cspan\u003eWill the hex shank fit my impact driver \/ right‑angle drill?\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hss-step-faq-answer\"\u003eAbsolutely. The 1\/4\" hex shank is the standard size for all quick‑change chucks, impact drivers, and even handheld drills with three‑jaw chucks. It provides a slip‑free grip and allows one‑handed bit changes in most modern tools.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- FAQ 3 --\u003e\n\u003cdiv class=\"hss-step-faq-item\"\u003e\n\u003cdiv class=\"hss-step-faq-question\"\u003e\n\u003cspan class=\"faq-emoji\"\u003e🧼\u003c\/span\u003e \u003cspan\u003eHow do I prevent the black coating from wearing off quickly?\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hss-step-faq-answer\"\u003eThe black oxide coating is designed to reduce friction and improve rust resistance; some wear on the cutting edges is normal after heavy use. To extend the life, always drill at moderate speeds (600–2000 RPM depending on material), use lubrication for metals, and clean the bits after use with a dry cloth. Avoid drilling into abrasive materials like concrete or masonry.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- FAQ 4 --\u003e\n\u003cdiv class=\"hss-step-faq-item\"\u003e\n\u003cdiv class=\"hss-step-faq-question\"\u003e\n\u003cspan class=\"faq-emoji\"\u003e📐\u003c\/span\u003e \u003cspan\u003eWhat do the numbers “1\/16-1\/2” mean on the bits?\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hss-step-faq-answer\"\u003eThose numbers indicate the range of hole diameters that single step bit can drill. For example, the smallest bit (1\/16–1\/2) creates holes from 1\/16\" up to 1\/2\" in 1\/64\" or 1\/32\" increments, depending on the step design. You simply advance until the desired diameter reaches the material surface. The separate countersink values (3\/4\", 5\/8\", etc.) refer to the largest chamfer diameter that the bit can produce on a pre‑drilled hole.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- FAQ 5 (extra because helpful) --\u003e\n\u003cdiv class=\"hss-step-faq-item\"\u003e\n\u003cdiv class=\"hss-step-faq-question\"\u003e\n\u003cspan class=\"faq-emoji\"\u003e📦\u003c\/span\u003e \u003cspan\u003eDoes the set come with a case or holder?\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hss-step-faq-answer\"\u003eYes – the five-step drills arrive in a sturdy, compact storage case that keeps them organized and protects the cutting edges. Each bit has its own molded slot, so you can easily grab the right size for the job.\u003c!-- PRODUCT OVERVIEW (sales focused) --\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hss-step-faq-answer\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"hss-step-faq-answer\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/a7554e31a0fb4fd1b4a8d24df073e55d_tplv-fhlh96nyum-origin-jpeg.jpg?v=1774258750\" alt=\"\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- subtle spacer \/ confidence message --\u003e\u003chr\u003e\n\u003cp style=\"text-align: center; color: #4a5a6a;\"\u003e🏆 \u003cstrong\u003eProfessional grade – perfect for electricians, mechanics, and makers.\u003c\/strong\u003e Backed by a 30‑day satisfaction guarantee.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"5-Piece Set + 5-Piece Countersink Tool \/ Standard Pack (Bag)","offer_id":52137796337938,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true},{"title":"5-Piece Set + 5-Piece Countersink Tool \/ Storage Case (Box)","offer_id":52137796370706,"sku":null,"price":52.99,"currency_code":"USD","in_stock":true},{"title":"1\/16-1\/2 \/ Storage Case (Box)","offer_id":52137795911954,"sku":null,"price":9.9,"currency_code":"USD","in_stock":true},{"title":"1\/8-1\/2 \/ Storage Case (Box)","offer_id":52137795977490,"sku":null,"price":9.9,"currency_code":"USD","in_stock":true},{"title":"1\/4-3\/4 \/ Storage Case (Box)","offer_id":52137796043026,"sku":null,"price":11.99,"currency_code":"USD","in_stock":true},{"title":"3\/16-7\/8 \/ Storage Case (Box)","offer_id":52137796108562,"sku":null,"price":12.99,"currency_code":"USD","in_stock":true},{"title":"7\/8 - 1-3\/8 \/ Storage Case (Box)","offer_id":52137796174098,"sku":null,"price":14.99,"currency_code":"USD","in_stock":true},{"title":"3-Piece Set \/ Standard Pack (Bag)","offer_id":52137796206866,"sku":null,"price":29.99,"currency_code":"USD","in_stock":true},{"title":"3-Piece Set \/ Storage Case (Box)","offer_id":52137796239634,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"5-Piece Set \/ Standard Pack (Bag)","offer_id":52137796272402,"sku":null,"price":39.99,"currency_code":"USD","in_stock":true},{"title":"5-Piece Set \/ Storage Case (Box)","offer_id":52137796305170,"sku":null,"price":42.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/06_146df2d3-f4d9-47fb-b191-616c8fabfbfd.jpg?v=1773971888","url":"https:\/\/homediyer.com\/products\/10-piece-hss-imperial-step-drill-bits-set-4-flute-hex","provider":"HomeDIYer","version":"1.0","type":"link"}