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The FREUD DHS3000CT is a 3-inch carbide tipped hole saw engineered for tradespeople who cut through wood, nail-embedded wood, plastic, aluminum, metal, cast iron, and stainless steel in a single tool. Carbide tipping delivers longer cutting life than standard bi-metal saws, and the variable tooth design increases cut speed and productivity. The 2-3/8-inch cutting depth allows 40 percent deeper holes in a single pass compared to conventional bi-metal saws, reducing repositioning and saving time on the job. The Snap Lock Plus mandrel system enables quick, tool-free bit changes with no downtime between cuts.
This hole saw is suited for residential and light commercial work across multiple trades. Electricians use it for conduit and box penetrations through wood framing and metal studs. Plumbers rely on it for pipe rough-in through wood, cast iron, and plastic. HVAC technicians use carbide hole saws for cutting through nail-embedded wood and metal panels where bi-metal saws fail prematurely. The included mandrel, pilot bit, 5/8-inch threaded adapter, and 1/2-inch threaded adapter make this a ready-to-run kit out of the box.
The included one-size-fits-all mandrel is compatible with all Diablo hole saws in the carbide and bi-metal range from 5/8 inches to 6 inches in diameter. The 5/8-inch threaded adapter fits diameters from 1-1/4 inches to 6 inches. The 1/2-inch threaded adapter fits diameters from 9/16 inches to 3-1/16 inches.
Install the mandrel and pilot bit before use and verify the adapter thread size matches your drill. Power down and disconnect the drill before changing the saw or ejecting the plug. Use appropriate eye protection and gloves when cutting metal or cast iron, as carbide saws generate heat and sharp chips. Consult NEC or applicable mechanical codes when sizing penetrations through fire-rated assemblies.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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