Meet the DEWALT 3/4 in. Bi-Metal Hole Saw — a durable, versatile cutting solution designed to deliver accurate openings with everyday reliability. Built with bi-metal construction, this hole saw blends hardened cutting teeth with a flexible backing to resist heat and tooth loss, making it well-suited for metal, wood, and plastic drilling tasks. Its 1.75-inch cutting depth allows you to punch through thicker material or multi-layer assemblies in a single pass, making it a trusted choice for electricians, plumbers, and remodeling professionals who expect consistent performance from their tools.
Key specifications
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Diameter: 3/4 in
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Cutting depth: 1.75 in
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Material: Bi-Metal
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Brand: DeWalt
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Package contents: 1 hole saw
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Arbor included: No
Why this matters
Bi-metal construction gives you longer life and cooler cutting in tougher materials. The durability helps maintain a sharp edge through repeated use, reducing the need for frequent replacements. With a 3/4-inch opening, this hole saw is ideal for standard conduit knockouts, hardware pass-throughs, and smaller plumbing or electrical openings where clean, round cuts are essential.
Ideal use cases
- Electrical installations: clean 3/4" holes in metal panels or cabinetry.
- Plumbing and HVAC work: conduit and pipe pass-throughs in metal or PVC surfaces.
- General carpentry and fabrication: precise openings in thin-gare materials or multi-layer assemblies.
Tips for best results
- Use with a compatible arbor (arbor not included) and secure your workpiece to prevent wheel drift.
- Start with a slow drill speed to establish a clean center and avoid wandering, then increase speed as the cut progresses.
- When cutting metal, consider light lubrication or cutting fluid to reduce heat buildup and extend tooth life.
- Periodically withdraw the saw to clear chips and prevent binding, especially when penetrating thicker materials.
How it compares
Compared with standard single-material hole saws, the DeWalt 3/4 in. Bi-Metal Hole Saw offers enhanced durability and durability under heat thanks to its bi-metal design. This translates into longer blade life and smoother cuts across a range of common materials, helping you complete projects faster with fewer tool changes.
Note: This package includes one hole saw (arbor not included). Ensure you pair it with a suitable arbor and drill for optimal performance and safety.
