{"product_id":"bosch-speedx-3-4-in-x-21-in-l-steel-sds-max-rotary-hammer-bit-sds-max-shank","title":"Bosch SpeedX 3\/4 in. X 21 in. L Steel SDS-max Rotary Hammer Bit SDS-Max Shank","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Bosch SpeedX 3\/4 in. x 21 in. SDS-Max Rotary Hammer Bit—the rugged, steel-bodied bit designed to conquer tough concrete and masonry with your SDS-Max hammer drill. With a long 21-inch overall length and a 16-inch flute, it’s built to deliver deep, efficient holes where you need them most, from reinforced concrete to brick and block structures.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMaterial: Steel\u003c\/li\u003e \u003cli\u003eShank type: SDS-Max Shank\u003c\/li\u003e \u003cli\u003eDrill Size: 3\/4 in\u003c\/li\u003e \u003cli\u003eFlute Length: 16 in\u003c\/li\u003e \u003cli\u003eOverall Length: 21 in\u003c\/li\u003e \u003cli\u003eNumber in Package: 1\u003c\/li\u003e \u003cli\u003ePackaging Type: Carded\u003c\/li\u003e \u003cli\u003eStyle: SDS-max\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this bit stands out\u003c\/h2\u003e\n\u003cp\u003eDesigned for heavy-duty impact and reliable performance, the SpeedX line from Bosch focuses on efficient material removal and durable construction. The 3\/4-inch diameter is a versatile choice for mid-to-large holes in concrete and masonry, while the SDS-Max shank ensures secure retention and smooth, rapid bit changes in compatible rotary hammers. The generous flute length enables deeper holes without sacrificing rigidity, making it ideal for anchor installations, conduit runs, and heavy masonry work.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDrilling through concrete slabs, foundations, and walls for anchors, bolts, and electrical runs\u003c\/li\u003e \u003cli\u003eCreating openings in reinforced concrete for pipes, conduits, or plumbing lines\u003c\/li\u003e \u003cli\u003eLarge-diameter bore holes in masonry for fast, reliable progress on professional projects\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho should use it\u003c\/h3\u003e\n\u003cp\u003eProfessional tradespeople—including masons, electricians, plumbers, and general contractors—will find this bit indispensable for high-volume, demanding drilling tasks. DIY enthusiasts tackling substantial concrete projects will also benefit from its robust steel construction and compatible SDS-Max shank.\u003c\/p\u003e \u003ch3\u003ePractical tips for best results\u003c\/h3\u003e\n\u003col\u003e \u003cli\u003eUse in hammer drill mode with steady, gradual pressure to maintain a straight bore and prevent wandering.\u003c\/li\u003e \u003cli\u003eKeep the bit cool by avoiding prolonged continuous drilling; withdraw periodically to clear chips and reduce heat buildup.\u003c\/li\u003e \u003cli\u003eEnsure your drill is configured for SDS-Max operation and use proper PPE—eye protection, hearing protection, and gloves.\u003c\/li\u003e \u003cli\u003eStart with a pilot mark to guide the bit, then proceed to the full 3\/4 inch diameter for clean, accurate holes.\u003c\/li\u003e\n\u003c\/ol\u003e \u003cp\u003eWith the Bosch SpeedX 3\/4 in. x 21 in. SDS-Max Rotary Hammer Bit, you get a purpose-built tool that tackles concrete and masonry projects with confidence, delivering dependable performance and lasting durability in every cut.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":52195913859346,"sku":"2307700","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/2307700_A.eps_High.jpg?v=1776117550","url":"https:\/\/nationalhardwaregroup.com\/products\/bosch-speedx-3-4-in-x-21-in-l-steel-sds-max-rotary-hammer-bit-sds-max-shank","provider":"National Hardware Group","version":"1.0","type":"link"}