{"product_id":"dewalt-dw4821-8-inch-18-tpi-bi-metal-reciprocating-saw-blade-5-pack","title":"DEWALT DW4821 - 8-Inch 18 TPI Bi-Metal Reciprocating Saw Blade (5-Pack)","description":"\u003cp\u003eEngineered for the most demanding metal-cutting applications, the DEWALT DW4821 8-Inch 18 TPI Bi-Metal Reciprocating Saw Blade provides an elite combination of speed, durability, and precision. Built with a patented tooth design that utilizes sharper tooth geometry, these blades deliver faster cut rates across heavy-gauge metals, including structural steel and angle iron. The aggressive shank angle increases tooth contact throughout the life of the blade, ensuring consistent performance even as the cutting edge wears. Optimized for professional tradespeople, this 5-pack ensures long-lasting jobsite efficiency.\u003c\/p\u003e\u003ch3\u003ePerformance Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Service Life:\u003c\/strong\u003e Patented toothforms optimize chip removal for significantly more efficient cutting and up to 50% longer life than previous generations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBi-Metal Construction:\u003c\/strong\u003e High-speed steel teeth bonded to a flexible carbon steel back provide shatter-resistance and a long-lasting sharp edge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti-Stick Coating:\u003c\/strong\u003e Specially formulated coating minimizes friction and gum-up, resulting in smoother, cooler cuts and reduced motor strain on the tool.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAggressive Shank Angle:\u003c\/strong\u003e Increases tooth contact for rapid penetration and maintains cutting speed in heavy-duty applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatrix II Steel Teeth:\u003c\/strong\u003e High-performance teeth containing 8% Cobalt for maximum heat and wear resistance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBlade Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 Inches (203mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTeeth Per Inch (TPI)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18 TPI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBi-Metal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShank Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/2-Inch Universal Tang\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBlade Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStraight Back\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeavy Gauge Metal, Angle Iron, Structural Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003e\u003c\/h3\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e(5) DEWALT DW4821 8-Inch 18 TPI Reciprocating Saw Blades\u003c\/li\u003e\u003c\/ul\u003e","brand":"DEWALT","offers":[{"title":"Default Title","offer_id":54210813395310,"sku":"DW4821","price":16.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0057\/0333\/6025\/files\/Untitled-June22_2026at08.07.43-2026-06-29T090152.905_1.jpg?v=1782698679","url":"https:\/\/wiselinetools.ca\/en-de\/products\/dewalt-dw4821-8-inch-18-tpi-bi-metal-reciprocating-saw-blade-5-pack","provider":"Wise Line Tools","version":"1.0","type":"link"}