{"product_id":"diablo-3-1-4-in-bi-metal-hvac-ductwork-reciprocating-saw-blade-32-tpi-5-pk","title":"Diablo 3-1\/4 in. Bi-Metal HVAC\/Ductwork Reciprocating Saw Blade 32 TPI 5 pk","description":"\u003cdiv\u003e\n\u003cp\u003eDesigned for HVAC professionals and DIY installers, the Diablo 3-1\/4 in. Bi-Metal HVAC\/Ductwork Reciprocating Saw Blade delivers precise, clean cuts through metal ductwork and thin sheets where speed and durability matter.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBi-metal construction\u003c\/strong\u003e combines the flexibility of high-speed steel with wear resistance of high-carbon steel, resisting tooth breakage and extending life when cutting metal duct, aluminum, or galvanized sheet metal.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e32 teeth per inch (TPI)\u003c\/strong\u003e produces a finer, smoother cut ideal for ductwork, with reduced burrs and cleaner edges on thin-gauge metal.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-1\/4 in length\u003c\/strong\u003e is perfect for tight spaces, retrofit work, and overhead runs where longer blades struggle to reach.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHVAC\/Ductwork blade style\u003c\/strong\u003e optimized for precise cuts in duct runs, transitions, and vents—great for vent reconfigurations and new duct installs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e5-pack\u003c\/strong\u003e provides reliable replacements on the job and helps keep production moving without downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRed color\u003c\/strong\u003e helps quick identification on the job site among other blades.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eProfessional use cases:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eNotching and trimming galvanized steel duct for new runs or retrofits\u003c\/li\u003e \u003cli\u003eCutting thin aluminum duct or sheet metal during installation\u003c\/li\u003e \u003cli\u003eOpening access points in HVAC cabinets or plenums without overheating or losing blade integrity\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose Diablo over generic blades? This blade is engineered to maintain sharpness longer under repeated plunging, reduce tooth wear, and deliver consistent cuts in metal without binding. Its bi-metal construction and 32 TPI design minimize tooth chatter, resulting in straight edges that save time finishing work and avoiding rework. If your projects include HVAC ductwork, this blade is a dedicated, reliable choice that stays sharp longer, cuts cleaner, and keeps your workflow flowing.\u003c\/p\u003e \u003cp\u003eSpecifications (at a glance):\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBrand: Diablo\u003c\/li\u003e \u003cli\u003eMaterial: Bi-Metal\u003c\/li\u003e \u003cli\u003eLength: 3-1\/4 in\u003c\/li\u003e \u003cli\u003eTeeth per Inch: 32 TPI\u003c\/li\u003e \u003cli\u003eStyle: HVAC\/Ductwork\u003c\/li\u003e \u003cli\u003eColor: Red\u003c\/li\u003e \u003cli\u003eQuantity: 5 pack\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eBundle up for the job with this 5-pack of Diablo Bi-Metal HVAC\/Ductwork Reciprocating Saw Blades and tackle ductwork projects with confidence, knowing you have blades built for speed, durability, and clean, precise cuts every time.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Diablo","offers":[{"title":"Default Title","offer_id":52191884640530,"sku":"2014964","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/2014964_A.eps_High.jpg?v=1775942364","url":"https:\/\/nationalhardwaregroup.com\/products\/diablo-3-1-4-in-bi-metal-hvac-ductwork-reciprocating-saw-blade-32-tpi-5-pk","provider":"National Hardware Group","version":"1.0","type":"link"}