{"product_id":"klein-tools-4-77-in-l-high-speed-steel-step-drill-bit-hex-shank","title":"Klein Tools 4.77 in. L High Speed Steel Step Drill Bit Hex Shank","description":"\u003cdiv\u003e\n\u003cp\u003eKlein Tools 4.77 in. L High Speed Steel Step Drill Bit Hex Shank is built for precision and efficiency, delivering clean, progressively larger holes in metal and plastic with a single bit. With an overall length of 4.77 inches, this bit reaches into tight spaces and through panels where multiple hole sizes are needed without swapping bits.\u003c\/p\u003e \u003cp\u003eDesigned to reduce downtime and upgrades in your workflow, the stepped geometry lets you enlargen holes smoothly from a small pilot to larger diameters in one pass. The result is accurate hole sizes, fewer burrs, and a faster drilling process—ideal for electricians, metalworkers, and DIY enthusiasts who value reliability and speed.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eHigh Speed Steel construction\u003c\/strong\u003e for durability and heat resistance in metal drilling applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHex shank\u003c\/strong\u003e provides a secure grip in drill chucks and works well with quick-change adapters, minimizing slip under load.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e4.77-inch overall length\u003c\/strong\u003e gives you extended reach for through-holes in panels, boxes, and metalwork where space is limited.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSingle-piece design packaged in clamshell\u003c\/strong\u003e for convenient storage and immediate use straight from the package.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eElectrical installations: drilling neatly sized holes in metal electrical boxes and panels without multiple bit changes.\u003c\/li\u003e \u003cli\u003eHVAC and metal fabrication: efficient sheet-metal drilling with clean edges and consistent hole sizes.\u003c\/li\u003e \u003cli\u003eGeneral metalworking and light fabrication where you need to enlarge holes progressively.\u003c\/li\u003e \u003cli\u003ePlastic or soft substrate drilling where a stepped hole is advantageous, reducing breakout and improving finish.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy choose this Klein Tools step drill bit\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAs a trusted name in hand tools, Klein Tools combines durable materials with practical design. This HSS step drill bit with a hex shank is optimized for routine professional tasks and demanding shop environments, offering a reliable solution when you need multiple hole sizes in one tool without carrying a whole bit assortment.\u003c\/p\u003e \u003cp\u003ePro tips for best results: clamp your workpiece securely, start with a small step to establish alignment, use steady feeds with moderate speed (lower speeds for metal), and apply light lubrication to extend bit life and achieve smoother finishes.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Klein Tools","offers":[{"title":"Default Title","offer_id":52272868851986,"sku":"2487528","price":29.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/2487528_A.eps_High.jpg?v=1778783090","url":"https:\/\/nationalhardwaregroup.com\/products\/klein-tools-4-77-in-l-high-speed-steel-step-drill-bit-hex-shank","provider":"National Hardware Group","version":"1.0","type":"link"}