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The LENOX 30807700G is a 9-piece contractor-grade hole saw kit designed for cutting through metal and wood in commercial and residential trade applications. The kit includes seven bi-metal hole saws and two arbors, covering seven saw diameters from 7/8 inch up to 2-1/8 inches. Bi-metal construction combines a high-speed steel cutting edge with a flexible alloy steel body, delivering durability under the repeated stress of production drilling. Electricians, plumbers, and HVAC technicians who need a ready-to-run set of hole saws for rough-in work will find this kit covers the most common penetration sizes in a single package.
This kit suits rough-in drilling tasks across residential and light commercial jobsites. Typical applications include drilling stud and plate penetrations for electrical conduit, pipe, and ductwork. The seven included diameters — 7/8, 1, 1-1/4, 1-3/8, 1-1/2, 1-3/4, and 2-1/8 inches — align with standard knockout and penetration sizes used in plumbing, electrical, and HVAC rough-in. The two included arbors allow the saws to mount directly to standard drill chucks without sourcing separate adapters.
Designed as a contractor-grade bi-metal hole saw kit compatible with standard drill arbor chucks for drilling in metal and wood substrates.
Hole saw kits of this type are commonly used by licensed electricians, plumbers, and HVAC technicians during rough-in phases. Verify that the drill press or handheld drill is rated for the torque demands of hole saw operation before use. Always secure the workpiece before drilling, and use appropriate PPE including eye protection. Ensure power tools are fully powered down and bits are removed before changing saws or arbors.
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