{"product_id":"bosch-hs2863-1-1-8-in-hex-x-16-in-demolition-hammer-steel-flat-chisel-bit-heavy-duty-concrete-breaker-masonry-chipping-jackhammers","title":"Bosch HS2863 1 1\/8 In Hex x 16 In Demolition Hammer Steel Flat Chisel Bit Heavy Duty Concrete Breaker Masonry Chipping Jackhammers","description":"\u003ch2 style=\"color: #004b87; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;\"\u003e\u003ca title=\"Link to the Bosch Tools homepage.\" href=\"https:\/\/www.1toptools.com\/pages\/brand-bosch\"\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" alt=\"Bosch Promtional Logo Logout\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2274\/5945\/files\/Bosch_Promtional_Logo.png?v=1772729021\"\u003e\u003c\/a\u003e\u003c\/h2\u003e\n\u003ch2 style=\"color: #004b87; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;\"\u003eShatter Thick Concrete Foundations and Tough Roadway Overlays Faster with High-Impact Linear Fracture Performance\u003c\/h2\u003e\n\u003cp style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; line-height: 1.6; color: #333333;\"\u003eAccelerate your structural teardowns, flatwork removals, and pipeline trench profiling with the relentless mechanical cutting force of the Bosch HS2863 1-1\/8\" Hex x 16\" Hammer Steel Flat Chisel Bit. Explicitly engineered for commercial demolition crews, highway paving contractors, and public works utility teams, this premium breaker attachment optimizes broad-surface aggregate destruction. Standard narrow points or thin chipping chisels get stuck easily or wear down prematurely under the punishing friction of continuous high-joule mechanical strikes. This advanced Bosch flat blade completely resolves that common jobsite bottleneck by channeling your machine's raw downward piston stroke directly across a wide, balanced edge line, creating clean expansion cracks and peeling back layers of dense material in minimal time.\u003c\/p\u003e\n\u003cp style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; line-height: 1.6; color: #333333;\"\u003eExceptional spatial durability and uniform force tracking define the physical blueprint of this professional-grade pavement breaker chisel. Forged as a solid one-piece component from high-quality alloy steel, this tool undergoes an advanced, proprietary heat-treatment process to guarantee deep resistance against tip-mushroooming, surface pitting, and internal fatigue splits. The standardized 1-1\/8 inch hex shank features a machined male-end notch, seating flawlessly into the retention chucks of major heavy-duty electric demolition hammers—such as the Bosch Brute series—as well as industrial pneumatic air jackhammers. This positive mechanical connection stops unvanted rotational spin, allowing you to square up foundation corners or clean trenches with absolute steering control while lowering jarring harmonic feedback to protect workers from physical fatigue.\u003c\/p\u003e\n\u003ch3 style=\"color: #004b87; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; line-height: 1.6; color: #333333;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eProprietary Heat-Treated Core:\u003c\/strong\u003e Custom structural tempering process removes internal vulnerabilities to prevent snapping under aggressive mechanical hitting loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficient Flat Chisel Geometry:\u003c\/strong\u003e Broad linear cutting face creates high-leverage separation paths inside cured concrete and hard-packed earthen soils.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Notched 1-1\/8\" Hex Shank:\u003c\/strong\u003e Standardized male-end design profile ensures an exact, zero-slip match within major electric and pneumatic breaker tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonolithic One-Piece Construction:\u003c\/strong\u003e Solid forge blueprint provides uniform kinetic energy transfer down the shaft with zero lateral structural deflection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Velocity Surface Demolition:\u003c\/strong\u003e Tailored masterfully to break up structural flooring pads, retaining walls, masonry blocks, and asphalt patches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDampened Vibration Feedback:\u003c\/strong\u003e Balanced body weight absorbs punishing shock waves to extend your power tool chuck life and shield users from stress.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #004b87; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;\"\u003eWhat's Included\u003c\/h3\u003e\n\u003cul style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; line-height: 1.6; color: #333333;\"\u003e\n\u003cli\u003e(1) Bosch 1-1\/8\" Hex x 16\" Heavy Duty Flat Chisel Demolition Hammer Steel Bit (HS2863)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe width=\"1274\" height=\"717\" src=\"https:\/\/www.youtube.com\/embed\/H4flH5Vgrw4\" title=\"“Macho Man” | Bosch 18V 2-in-1 Impact Driver\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch3 style=\"color: #004b87; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable height=\"791\" style=\"width: 46.9643%; border-collapse: collapse; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; color: rgb(51, 51, 51);\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #004b87; color: #ffffff; text-align: left;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 32.737%;\"\u003eSpecification Profile\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 67.263%;\"\u003eDetails \/ Performance Value\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 32.737%;\"\u003e\u003cstrong\u003eBrand Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 67.263%;\"\u003eBosch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff0f5;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 32.737%;\"\u003e\u003cstrong\u003eModel Number (OEM Part)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 67.263%;\"\u003eHS2863\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 32.737%;\"\u003e\u003cstrong\u003eProduct Accessory Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 67.263%;\"\u003eDemolition Hammer Steel Flat Chisel Bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff0f5;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 32.737%;\"\u003e\u003cstrong\u003eDrive Shank Interface Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 67.263%;\"\u003e1-1\/8 inches (1.125\") Hex System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 32.737%;\"\u003e\u003cstrong\u003eShank Interface Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 67.263%;\"\u003eMale Notched Retention Flat End Type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff0f5;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 32.737%;\"\u003e\u003cstrong\u003eOverall Component Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 67.263%;\"\u003e15.75 inches (Nominal 16\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 32.737%;\"\u003e\u003cstrong\u003eCutter Component Face Width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 67.263%;\"\u003e1.42 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff0f5;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 32.737%;\"\u003e\u003cstrong\u003eCutter Component Body Height\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 67.263%;\"\u003e1.10 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 32.737%;\"\u003e\u003cstrong\u003eMaterial Tool Composition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 67.263%;\"\u003eCustom Premium Forged Alloy Shock Steel Matrix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff0f5;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 32.737%;\"\u003e\u003cstrong\u003ePower Tool Capability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 67.263%;\"\u003eHeavy-Duty Electric Breakers \u0026amp; Pneumatic Jackhammers with 1-1\/8\" Notched Chucks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 32.737%;\"\u003e\u003cstrong\u003eAssembled Tool Net Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 67.263%;\"\u003e2.05 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff0f5;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 32.737%;\"\u003e\u003cstrong\u003eTotal Individual Piece Count\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 67.263%;\"\u003e1 Flat Chisel per Order Box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 32.737%;\"\u003e\u003cstrong\u003eMaterial Status Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 67.263%;\"\u003eActive Manufacturing Catalog Asset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff0f5;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 32.737%;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 67.263%;\"\u003eItaly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; line-height: 1.6; color: #333333; margin-top: 20px;\"\u003e\u003cspan style=\"background-color: #fff0f5; padding: 5px 10px; border-left: 4px solid #004b87; display: block;\"\u003e \u003cstrong\u003ePro-Tip:\u003c\/strong\u003e To maximize the removal rate of this 16-inch flat chisel on thick aggregate pads, work in progressive rows from the outside edge inward, holding the demolition hammer at a slight 70-degree angle. Running your breaker vertically for more than 15 seconds in an unvented pocket creates a dense cushion of concrete dust that traps impact velocity and causes friction thermal spike build-up at the tip. Angling the tool lets you pry and flake sections loose dynamically, allowing the bit to self-clear debris channels. Keep the 1-1\/8 inch hex flats free of masonry paste, and coat them lightly with premium chisel grease before every shift to ensure smooth chuck locking and effortless bit removals at checkout. \u003c\/span\u003e\u003c\/p\u003e","brand":"BOSCH","offers":[{"title":"Default Title","offer_id":52229990777143,"sku":"HS2863","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2274\/5945\/files\/Bosch_HS2863_1_1_8_In_Hex_x_16_In_Demolition_Hammer_Steel_Flat_Chisel_Bit_Heavy_Duty_Concrete_Breaker_Masonry_Chipping_Jackhammers.jpg?v=1779986215","url":"https:\/\/www.1toptools.com\/products\/bosch-hs2863-1-1-8-in-hex-x-16-in-demolition-hammer-steel-flat-chisel-bit-heavy-duty-concrete-breaker-masonry-chipping-jackhammers","provider":"1 Top Tools","version":"1.0","type":"link"}