{"product_id":"irwin-ir10310-step-drill-bit-10-1-2-inches","title":"Irwin IR10310 Step Drill Bit 10-1\/2 Inches","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe IRWIN IR10310 is a step drill bit designed to drill a single hole through sheet metal, plastic, wood, and thin-gauge materials in one pass. Step drill bits use a conical, multi-diameter profile to progressively enlarge a hole without requiring bit changes, making them a common choice for electricians, HVAC techs, and plumbers who need clean, burr-minimized holes in panels, enclosures, and junction boxes. At 10-1\/2 inches in the standard configuration with a single hole profile, the IR10310 suits applications where a specific finished hole diameter is needed in a single drilling operation.\u003c\/p\u003e\n\u003cp\u003eThis step drill bit is suited for residential and light commercial trade work. Typical applications include drilling knockouts in electrical panels and enclosures, creating pipe and conduit penetrations in sheet metal ductwork, and opening holes in plastic junction boxes. Electricians and HVAC technicians are the primary installers. It is sold as a single unit.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eStep profile drills a finished hole in a single pass without bit changes\u003c\/li\u003e\n  \u003cli\u003e10-1\/2 inch standard size for precise hole sizing\u003c\/li\u003e\n  \u003cli\u003eSingle-hole design optimized for consistent diameter output\u003c\/li\u003e\n  \u003cli\u003eCompatible with standard drill chucks used in trade applications\u003c\/li\u003e\n  \u003cli\u003eSuitable for sheet metal, plastic, and thin-gauge panel materials\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement and standard-use step drill bit for trade applications requiring a 10-1\/2 inch standard hole in sheet metal, plastic, or similar thin-gauge materials.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a qualified electrician, HVAC technician, or plumber as appropriate to the application. Secure the workpiece firmly before drilling to prevent movement and ensure a clean hole. Use appropriate personal protective equipment including eye protection when operating drill bits. Follow applicable NEC or local code requirements when creating penetrations in electrical enclosures or ductwork.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize\u003c\/strong\u003e: 10-1\/2 inches standard\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Holes\u003c\/strong\u003e: 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 038548103105\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnit of Measure\u003c\/strong\u003e: Each\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Order Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: IRWIN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: IR10310\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"IRWIN","offers":[{"title":"Default Title","offer_id":51345051812146,"sku":"IR10310","price":32.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310499380.jpg?v=1782048527","url":"https:\/\/voomisupply.com\/products\/irwin-ir10310-step-drill-bit-10-1-2-inches","provider":"Voomi Supply","version":"1.0","type":"link"}