AT HOLE SAWS

Alfa Tools manufactures bi-metal hole saws—precision cutting tools engineered for drilling large-diameter holes (5/8" to 6"+) in metal, wood, plastic, drywall, and composite materials. With cobalt high-speed steel (HSS) cutting edges electron-beam welded to hardened alloy steel bodies, these hole saws deliver exceptional cutting performance, long tool life, and clean, accurate results across a wide range of materials and thicknesses. Perfect for electricians, plumbers, HVAC technicians, carpenters, maintenance pros, and industrial fabricators who need fast, reliable large-hole cutting for construction, manufacturing, and maintenance projects.