{"product_id":"malco-hsb3125-3-1-8-79-mm-bi-metal-hole-saw-for-wood-drywall-plastic-aluminum-thin-steel-variable-tooth-pitch-high-speed-steel-cutting-edge","title":"Malco HSB3125 3-1\/8\" (79 mm) Bi-Metal Hole Saw for Wood, Drywall, Plastic, Aluminum \u0026 Thin Steel – Variable Tooth Pitch, High-Speed Steel Cutting Edge","description":"\u003cdiv\u003e\n\u003cp\u003eThe Malco HSB3125 3 1\/8\" (79 mm) Bi-Metal Hole Saw is built for professionals who demand clean, accurate holes across the most common jobsite materials. Designed to deliver dependable performance day in and day out, this saw excels on HVAC penetrations, electrical and plumbing rough-ins, and sheet metal work, providing consistent results you can trust from install to install.\u003c\/p\u003e \u003cp\u003eBi-metal construction combines a flexible alloy body with a robust cutting edge, resisting cracking and tooth stripping even after repeated use. This means fewer re-drills, less downtime, and more confident cuts on busy job sites. The 3 1\/8\" diameter is ideal for standard wall sleeves, conduit passes, and duct openings, while maintaining clean edges and true dimensions.\u003c\/p\u003e \u003cp\u003eThe cutting edge uses high-speed steel paired with a variable tooth pitch, which smooths the cut through wood, drywall, plastic, aluminum, and thin steel. The result is reduced vibration and chatter, less wandering, and cleaner holes with minimal burrs—saving time on finishing work and improving overall install accuracy.\u003c\/p\u003e \u003cp\u003ePair this hole saw with Malco Quick Connect arbors and Quick Change pilot drills for fast, tool-free changes on the fly. Choose the HHA4 Arbor with a high-speed steel pilot drill bit or the HHA5 Arbor with a carbide-tipped pilot drill bit to match your material and precision needs, ensuring reliable starts and straight penetration every time.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile material compatibility\u003c\/strong\u003e—cuts wood, drywall, plastic, aluminum, and thin steel with one tool.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable, long-lasting design\u003c\/strong\u003e—flexible alloy body resists cracking and tooth stripping under daily use.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSmooth, accurate results\u003c\/strong\u003e—variable tooth pitch minimizes vibration and chatter for cleaner holes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFast, compatible workflow\u003c\/strong\u003e—works with Malco Quick Connect arbors and Quick Change pilot drills (HHA4 or HHA5) for quick changes on the job.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for professionals\u003c\/strong\u003e—a single saw that handles HVAC penetrations, electrical and plumbing openings, and sheet metal tasks with dependable performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re running conduit, installing vents, or creating precise through-holes in mixed-material panels, the Malco HSB3125 delivers control, durability, and clean results that elevate your workflow. Save time, reduce rework, and rely on a hole saw that’s designed to perform when the job count is high.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Malco","offers":[{"title":"Hole Saw \/ Multi-Use \/ 3-1\/8 In.","offer_id":42832564027440,"sku":"574-HSB3125","price":19.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/3883\/0640\/files\/2da69e14-6946-403c-9db9-6a48788a48fa.png?v=1773081797","url":"https:\/\/usatooldepot.com\/products\/malco-hsb3125-3-1-8-79-mm-bi-metal-hole-saw-for-wood-drywall-plastic-aluminum-thin-steel-variable-tooth-pitch-high-speed-steel-cutting-edge","provider":"USA Tool Depot","version":"1.0","type":"link"}