4-1/2 Inch (114mm) Bi-Metal Hole Saw with Arbor, Heavy Duty 4.5 Hole Cutter for Metal, Wood & Plastic, Smooth Cutting Edge & Fast Chip Removal
3 sold in last 24 hours
- 4.5 INCH (4-1/2", 114MM) DIAMETER – Perfect size for 4-inch conduit, electrical boxes, downlights, door locks, plumbing access, and HVAC ductwork. A commonly used size for residential and commercial projects
- HEAVY DUTY BI-METAL CONSTRUCTION – Hardened high-speed steel teeth welded to a flexible alloy steel body for exceptional durability and heat resistance. Cuts through stainless steel, mild steel, aluminum, wood, plastic, and drywall
- SMOOTH CUTTING EDGE – Precision-ground teeth with optimized geometry produce clean, burr-free holes with minimal tear-out. Professional finish requires little to no additional sanding or deburring
- FAST CHIP REMOVAL – Deep gullet design quickly evacuates chips and debris, preventing clogging and overheating. Allows continuous cutting for faster speeds and extended tool life
- COMPLETE WITH ARBOR & PILOT BIT – Ready to use right out of the box. Includes high-quality arbor and pilot bit for accurate centering and wobble-free starts. Quick-change design for easy attachment and removal
Tags |
Estimated shipping
Select a product to estimate shipping.4.5 Inch (4-1/2", 114mm) Bi-Metal Hole Saw – Clean, Fast & Durable
Heavy Duty Hole Cutter with Arbor | Smooth Cutting Edge & Fast Chip Removal | For Metal, Wood & Plastic
The 4.5 Inch (4-1/2", 114mm) Bi-Metal Hole Saw is a professional-grade cutting tool designed for fast, clean, and precise holes in a wide range of materials. This heavy-duty hole cutter features bi-metal construction with hardened high-speed steel teeth, delivering exceptional durability and heat resistance for demanding applications. Complete with arbor and pilot bit , this hole saw is ideal for electrical work, plumbing, HVAC installations, door lock fitting, and general construction projects . The optimized tooth design provides smooth cutting edges and fast chip removal , making it an essential addition to any professional or DIY toolbox.
Why Choose This Bi-Metal Hole Saw?
Heavy Duty Bi-Metal Construction – Built to Last
Each hole saw is crafted from high-strength bi-metal material – combining hardened high-speed steel (HSS) cutting teeth with a flexible alloy steel body . The bi-metal design allows the saw to maintain sharpness even when cutting through tough materials like stainless steel, aluminum, and thin metal sheets . The flexible steel body reduces stress on the teeth, preventing breakage and extending tool life .
Smooth Cutting Edge – Clean, Professional Results
The precision-ground teeth with optimized geometry produce smooth, clean cuts with minimal burrs or tear-out. The sharp cutting edges glide through materials effortlessly, leaving a professional finish that requires little to no additional deburring or sanding. This is especially important for visible cuts like downlight openings or door lock installations where appearance matters.
Fast Chip Removal – Efficient, Continuous Cutting
The optimized tooth design with deep gullets quickly evacuates chips and debris from the cutting path, preventing clogging and overheating . This fast chip removal allows for continuous cutting without frequent stops to clear waste, resulting in faster cutting speeds and extended hole saw life . Less heat buildup also means cleaner cuts with reduced friction.
Precision Engineered – 4.5 Inch (4-1/2", 114mm) Diameter
The 4.5-inch (114mm) diameter is a commonly used size for residential and commercial projects. Perfect for:
Electrical Work : Cutting holes for 4-inch conduit, electrical boxes, and cable pass-throughs
Plumbing : Creating access holes for pipes, fittings, and drains
HVAC : Cutting openings for ductwork and ventilation grilles
Door Hardware : Installing door locks, deadbolts, and handles
Downlight Installation : Cutting holes for recessed lighting fixtures
Woodworking : Drilling holes for furniture assembly and cabinetry
Pro Tips :
Use low speed (300-500 RPM) for metal – Apply cutting oil to reduce heat and extend blade life
Use medium to high speed (800-1500 RPM) for wood – Apply steady, even pressure without forcing
Use medium speed (400-700 RPM) for plastic – Avoid excessive speed to prevent melting
For stainless steel – Use cutting oil and slow speed; let the tool do the work
Clear chips periodically – Remove debris from teeth during extended cuts to prevent clogging
Always use the pilot bit – Ensures accurate centering and prevents wandering
Technical Specifications
Built to Last – Quality You Can Rely On
Each hole saw is precision-machined and individually inspected to ensure sharpness, concentricity, and consistent performance . The bi-metal construction with hardened HSS teeth delivers exceptional durability and heat resistance. The optimized tooth geometry with deep gullets provides fast chip removal and smooth, clean cuts. Whether you're a professional electrician, plumber, contractor, or DIY enthusiast , this 4.5 Inch (4-1/2", 114mm) Bi-Metal Hole Saw with Arbor provides the cutting power, precision, and durability you need for clean, fast holes in any project.
Product details
| Main Specification | |
|---|---|
| Compatible Material | Plastic or Metal or Wood |
| Manufacturer | LOOTOOLS |
| Unit Count | 1 Count |
| Brand | LOOTOOLS |
| Number of Items | 1 |
| Included Components | 4.5 inch Hole Saw with Arbor |
| Product Dimensions | 4.5"L X 4.5"W |
| Material | Bi-Metal |
| Colour | Red |
| Style | Industrial |
| Product information | |
| Set Name | Single Item |
| Technical Details | |
| Part Number | LTHS03 |
| Material Type | Bi-Metal |
| Style | |
| Style Name | Industrial |
| Others | |
| Product Type | Hole Saws |
| Item Dimensions L x W | 4.5"L x 4.5"W |