{"product_id":"bosch-speedx-1-2-in-x-21-in-l-carbide-tipped-sds-max-rotary-hammer-bit-sds-max-shank","title":"Bosch SpeedX 1\/2 in. X 21 in. L Carbide Tipped SDS-max Rotary Hammer Bit SDS-Max Shank","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Bosch SpeedX 1\/2 in. x 21 in. L Carbide Tipped SDS-Max Rotary Hammer Bit. Built for demanding concrete and masonry work, this bit pairs a robust carbide tip with an optimized flute design to deliver faster material removal and longer life in tough drill scenarios. With a 21-inch overall length and a 16-inch flute, it’s engineered for deep holes and hard-to-reach applications with an SDS-Max rotary hammer.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 1\/2 inch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOverall length:\u003c\/strong\u003e 21 inches\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlute length:\u003c\/strong\u003e 16 inches\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank type:\u003c\/strong\u003e SDS-Max\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTip:\u003c\/strong\u003e Carbide tipped for durability in hard materials\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Carded, 1 piece per package\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhat sets SpeedX apart\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCarbide-tipped for longevity\u003c\/strong\u003e — carbide inserts resist wear and wear-induced chatter, helping you drill cleaner holes longer in reinforced concrete and dense masonry.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSpeedX geometry\u003c\/strong\u003e — engineered for faster chip removal and efficient cutting, so you can complete tough holes with less downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLong reach with practical depth\u003c\/strong\u003e — 21 inches total length and a 16-inch flute facilitate deep wells and holes in walls, slabs, and foundations where shorter bits fall short.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e SDS-Max compatibility\u003c\/strong\u003e — designed for quick, secure bit changes with SDS-Max rotary hammers, reducing setup time on the jobsite.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable packaging\u003c\/strong\u003e — carded packaging ensures the bit stays protected and easy to store until you’re ready to use it.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAnchoring and fastener holes in poured concrete and masonry walls where hole depth requires extended reach.\u003c\/li\u003e \u003cli\u003eOverhead or vertical drilling tasks, such as ceiling installations, electrical conduits, and HVAC runs, where a longer bit improves efficiency.\u003c\/li\u003e \u003cli\u003eHeavy-duty drilling in hard substrates where a carbide tip delivers superior wear resistance and hole quality.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical tips for best results\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePair with a compatible SDS-Max rotary hammer and use appropriate drilling speeds to maximize bit life and cut rate.\u003c\/li\u003e \u003cli\u003eUse steady, controlled feeds and avoid forcing the bit; let the carbide tip and flute geometry do the work.\u003c\/li\u003e \u003cli\u003eAllow for adequate cooling and remove debris periodically to maintain cutting efficiency and prevent overheating.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Bosch SpeedX 1\/2 in. x 21 in. SDS-Max Rotary Hammer Bit, you’re choosing a tool designed to tackle demanding concrete drilling tasks with precision, speed, and longevity. Perfect for professional installers, contractors, and serious DIYers who consistently work with hard materials and need reliable performance over long, deep holes.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":52190485905682,"sku":"2002110","price":49.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/2002110_A.eps_High.jpg?v=1775854734","url":"https:\/\/nationalhardwaregroup.com\/products\/bosch-speedx-1-2-in-x-21-in-l-carbide-tipped-sds-max-rotary-hammer-bit-sds-max-shank","provider":"National Hardware Group","version":"1.0","type":"link"}