![IDEAL TCT BLADE [WOOD] [9" X 18T] [25MM BORE] [IGS PRO] CIRCULAR SAW ACCESSORY - 28666](http://www.idealpowertools.com/cdn/shop/files/TCTBlade9X18T.jpg?v=1756547192&width=4436)
![IDEAL TCT BLADE [WOOD] [9" X 18T] [25MM BORE] [IGS PRO] CIRCULAR SAW ACCESSORY - 28666](http://www.idealpowertools.com/cdn/shop/files/TCTWOODCUTTINGBLADE9X18TMockup_406815dc-b741-4287-baae-9f16555a0697.jpg?v=1756547192&width=4902)
![IDEAL TCT BLADE [WOOD] [9" X 18T] [25MM BORE] [IGS PRO] CIRCULAR SAW ACCESSORY - 28666](http://www.idealpowertools.com/cdn/shop/files/IDEAL_IGS_PRO_TCT_WOOD_WORKING_ALUMINIUM_BLADES_61629bec-d77f-418a-9e97-0f0dc613a9c2.jpg?v=1768915822&width=1673)
IDEAL TCT BLADE [WOOD] [9" X 18T] [25MM BORE] [IGS PRO] CIRCULAR SAW ACCESSORY - 28666
Choose options
Precision-Ground TCT Technology for Professional Wood Cutting
The IDEAL TCT Circular Saw Blade is a professional-grade Tungsten Carbide Tipped (TCT) wood cutting blade engineered for precision, durability, and consistent performance. With a 230mm (9") diameter, 18-tooth configuration, and a 25.4mm bore, it delivers clean, tear-out-free cuts at speeds up to 6,000 RPM. Built from a high-strength aluminium and TCT composite body, this blade is designed to outlast standard steel blades while maintaining cutting accuracy across demanding woodworking applications. Compatible with the IGS PRO system and a wide range of circular saw platforms.
| Key Features | Perfect For |
|---|---|
|
|
- 230mm (9") Blade Diameter with 18 TCT Teeth: The 230mm cutting diameter combined with 18 precisely ground Tungsten Carbide Tipped teeth strikes the ideal balance between cutting speed and surface finish quality. The tooth geometry is engineered to shear wood fibres cleanly, minimising splintering on both the face and underside of the workpiece — critical for finish carpentry and panel work.
- Maximum Cutting Speed of 6,000 RPM (80 m/s): Rated for a no-load speed of 6,000 RPM and a peripheral velocity of 80 metres per second, this blade is fully compatible with high-performance professional circular saws. The speed rating ensures safe operation within the design limits of the blade, preventing stress fractures or tooth loss during demanding cuts.
- 25.4mm Bore for Universal Circular Saw Compatibility: The 25.4mm arbor bore is the industry-standard size for professional circular saws, ensuring a secure, wobble-free fit on the spindle. The included washer set allows for precise blade seating and eliminates lateral play, which directly contributes to cut straightness and dimensional accuracy.
- Aluminium and TCT Composite Blade Body: The blade plate is constructed from a high-grade aluminium alloy, which is significantly lighter than traditional steel plates while offering comparable rigidity. This reduces the rotational mass, allowing the saw motor to reach operating speed faster and maintain it more consistently under load. The lower weight also reduces operator fatigue during extended use.
- Heavy-Duty Construction for Extended Service Life: The Tungsten Carbide tips are brazed onto the blade body using a high-temperature bonding process, ensuring they remain securely attached even under the thermal and mechanical stress of continuous cutting. TCT is significantly harder than high-speed steel (HSS), meaning the cutting edge retains its sharpness far longer — reducing downtime for blade changes and lowering the total cost of ownership on the job site.
Each IDEAL TCT Blade ships complete and ready for immediate installation. The package includes one (1) TCT circular saw blade and a precision washer set to ensure correct arbor fitment and blade alignment on your saw's spindle — no additional hardware required to get cutting.
General Purchase & Comparison Queries
What makes a TCT blade better than a standard HSS circular saw blade?
Tungsten Carbide Tipped (TCT) blades outperform standard High-Speed Steel (HSS) blades in almost every measurable way for wood cutting. TCT tips are significantly harder and more heat-resistant, meaning the cutting edge stays sharp far longer under continuous use. This translates to fewer blade changes, cleaner cuts over the blade's lifespan, and a lower total cost of ownership. The IDEAL TCT 9" x 18T blade is built for professional environments where downtime is costly and cut quality is non-negotiable.
Is this blade compatible with my circular saw?
This blade features a 25.4mm (1") bore, which is the industry-standard arbor size for the vast majority of professional circular saws. It is specifically designed for compatibility with the IDEAL IGS PRO system and works with any circular saw that accepts a 230mm (9") blade diameter and a 25.4mm arbor. Always verify your saw's maximum blade diameter and arbor size in its manual before fitting a new blade. The included washer set accommodates minor arbor size variations.
Why choose an 18-tooth blade over a higher tooth-count blade?
Tooth count directly affects the trade-off between cutting speed and surface finish. An 18-tooth blade is optimised for fast, aggressive cuts through solid timber, structural lumber, and thick panels — it removes material quickly with each pass. Higher tooth-count blades (e.g., 40T, 60T) produce finer finishes but cut more slowly and are better suited for thin veneers or fine joinery. For site carpentry, framing, and general woodworking where speed and durability matter most, the 18T configuration is the professional's choice.
Product-Specific and Usage Queries
What types of wood can this blade cut?
The IDEAL TCT 9" x 18T blade is designed for cutting wood and wood-based materials, including solid hardwood and softwood timber, structural lumber, plywood, MDF (Medium-Density Fibreboard), OSB (Oriented Strand Board), and other engineered wood panels. It is not intended for cutting metal, masonry, or plastics. For best results and longest blade life, ensure the material being cut is free of embedded nails, screws, or other metal fasteners.
What is the maximum safe operating speed for this blade?
This blade is rated for a maximum no-load speed of 6,000 RPM, which corresponds to a peripheral velocity of 80 metres per second (m/s). Never operate this blade above its rated speed. Always check your circular saw's no-load RPM specification and confirm it does not exceed 6,000 RPM before fitting this blade. Operating a blade beyond its rated speed is a serious safety hazard and will void any product warranty.
How do I correctly install this blade on my circular saw?
Before installation, disconnect the saw from its power source. Fit the included washer set onto the arbor as directed by your saw's manual — the washer ensures the blade seats flush and eliminates lateral movement. Slide the blade onto the 25.4mm arbor, ensuring the blade's rotation direction arrow (printed on the blade body) matches the direction of your saw's spindle rotation. Tighten the arbor nut securely using the saw's provided spanner. Do not overtighten. Perform a brief no-load test run before making your first cut.
Problem/Solution-Oriented Queries
My cuts are splintering or tearing out — what could be causing this?
Splintering and tear-out are typically caused by one of several factors: a dull or damaged blade, cutting at too slow a feed rate (allowing the blade to dwell and burn), or cutting against the grain without adequate support. With the IDEAL TCT 18T blade, ensure the blade is sharp and the TCT tips are intact. For cleaner finishes on the show face of a panel, place the good face downward when cutting (as circular saws cut on the upstroke). Using a sacrificial backing board beneath the workpiece also significantly reduces tear-out on the exit side.
The blade is cutting slowly or the saw is bogging down — what should I check?
If the saw is struggling or the blade is cutting slowly, the most common causes are a worn or blunt blade, an incorrect blade for the material, or feeding the saw too aggressively. Check the TCT tips for visible wear, chipping, or resin build-up — resin accumulation from cutting green or treated timber can dramatically reduce cutting efficiency and can be cleaned with a dedicated blade cleaner. Also confirm the blade is installed correctly and the arbor nut is tight. If the blade is worn beyond cleaning, it should be replaced to maintain both cutting performance and operator safety.
The blade bore seems slightly loose on my saw's arbor — is this safe?
A loose blade fit on the arbor is a serious safety concern and the saw should not be operated until it is resolved. The included washer set is specifically provided to accommodate minor differences between the blade's 25.4mm bore and your saw's arbor diameter. Fit the appropriate washer(s) from the set to take up any play and ensure the blade is clamped firmly between the inner and outer flanges. If the blade remains loose after using the washers, do not use the blade on that saw — contact IDEAL or your tool supplier for guidance on correct arbor adaptor sizing.
Blade (1 Pcs), Washer (1 Set)


