Product Description
CMT 550-064X Multi-Purpose TCT Hole Saw 2-1/2" (64mm) is a tungsten carbide-tipped hole saw engineered for demanding multi-material cutting applications. With a 3-tooth carbide cutting edge and a hexagonal shank interface, this 64mm hole saw delivers clean, precise bores through a wide range of construction materials - making it a practical choice for electricians, plumbers, contractors, and woodworkers who need consistent results across diverse substrates.
Key Features
- Tungsten Carbide-Tipped (TCT) Teeth: Hard metal (HW) carbide construction maintains cutting sharpness far longer than bi-metal alternatives, reducing tool changes and downtime on the job site.
- 3-Tooth Cutting Configuration: The 3-tooth geometry provides an aggressive yet stable cut, helping maintain hole accuracy and minimizing tearout in wood-based materials and soft masonry.
- 2-1/2 in. (64mm) Cutting Diameter: A widely used size for electrical knock-outs, pipe penetrations, and fixture mounting openings - covering a broad range of standard trade applications in one tool.
- 60mm Cutting Depth: Sufficient depth capacity to cut through standard wall framing, thick panel assemblies, and other multi-layer building materials in a single pass.
- Hexagonal Shank Interface: The hexagonal shank design locks securely in compatible arbors, resisting slippage under torque and ensuring consistent power transfer from drill to cutting edge.
- Right-Hand (RH) Rotation: Engineered for standard right-hand rotation, making it directly compatible with conventional corded and cordless drills without any special setup.
Why This Product
- The carbide-tipped (TCT) cutting teeth handle a broad range of materials - from wood and plywood to soft masonry - so tradespeople can carry fewer specialized tools and adapt quickly to changing job-site conditions.
- At 60mm cutting depth, this hole saw reaches through thick substrates in one pass, eliminating the need to flip panels or make multiple setups that slow production work.
- The hexagonal shank provides a positive, slip-resistant connection with compatible arbors, giving users confident control when driving through harder or denser materials where torque loads spike.
- A 2-1/2 in. (64mm) diameter is a trade-standard opening size for many electrical, plumbing, and HVAC rough-in tasks, making this hole saw a high-frequency, everyday-use tool rather than a single-purpose specialty item.
Specifications
- Manufacturer Part Number: 550-064X
- Brand: CMT Orange Tools
- Diameter: 2-1/2 in. (64mm)
- Cutting Depth: 60mm
- Number of Teeth: 3
- Blade Material: HW (Tungsten Carbide-Tipped / TCT)
- Shank Type: Hexagonal
- Rotation: RH (Right-Hand)
Approved Applications
- Hole cutting in wood and plywood
- Hole cutting in MDF and laminates
- Hole cutting in plasterboard and drywall
- Hole cutting in plastics
- Hole cutting in bricks and aerated concrete
- Hole cutting in soft tiles
Frequently Asked Questions
What shank type does the CMT 550-064X use, and what does that mean for arbor selection?
The 550-064X uses a hexagonal shank. When selecting an arbor, you must choose one with a matching hexagonal socket. The hexagonal interface prevents the hole saw from spinning loose under load, which is especially important when cutting through denser materials like brick or aerated concrete.
What is the cutting depth of this 64mm hole saw?
The cutting depth is 60mm. This allows the saw to cut through thick panels, framing members, and layered assemblies without requiring multiple passes or repositioning, which helps maintain accuracy and saves time on the job.
Is this hole saw designed for right-hand or left-hand rotation?
The CMT 550-064X is engineered for right-hand (RH) rotation. This makes it directly compatible with the standard clockwise-rotating spindle of conventional corded drills, cordless drills, and drill presses - no special configuration is required.
What materials can the TCT construction of this hole saw handle?
The hard metal (HW) tungsten carbide-tipped cutting teeth are formulated for multi-purpose use across wood, plywood, MDF, laminates, plasterboard, plastics, bricks, aerated concrete, and soft tiles. The carbide material retains its edge longer than standard high-speed steel or bi-metal alternatives when used across these varied substrates.
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