Engineering Precision: The FUJI KCM Cold Saw Series
At Fuji Grinding Wheel, we know that modern metal fabrication demands more than just raw power. Drawing on our decades of Japanese manufacturing heritage, our engineering team developed the FUJI KCM-250B & KCM-275B industrial cold saws specifically for workshops that cannot compromise on cut quality.
Engineered for high-torque and low-RPM precision, these circular metal cutting machines effortlessly slice through solid stainless steel bars, thick-walled pipes, and structural alloys. Unlike traditional abrasive chop saws that burn metal and alter its metallurgical properties, our KCM series delivers a mirror-like, burr-free finish with absolutely zero sparks or hazardous airborne dust.
Core Engineering Advantages:
High-Torque Reduction Gearbox: Designed specifically for cutting solid stainless steel without stalling.
100% Spark-Free Operation: Cold cutting eliminates fire hazards and thermal distortion (Heat-Affected Zones).
Superior TCO (Total Cost of Ownership): Maximizes blade life to drastically reduce your long-term consumable expenses.
Why Shipyards & Foundries Choose the KCM Series
1. Our Patented Double-Roller Chip Removal System
Through extensive testing in our own facilities, we identified that chips trapped in the blade teeth are the primary cause of premature blade dulling and jagged cuts. We engineered an innovative Double Roller Method that actively ejects metal chips from both sides of the circular saw blade during operation. This prevents galling, maintains a cool cutting temperature, and can extend the lifespan of your HSS metal saw blades by up to 40%.
2. The KCM-275B Tooling Lifecycle Advantage
The KCM-275B was designed with shop floor economics in mind. It provides a unique recycling capability for high-volume fabrication shops:
It natively runs standard 275mm HSS blades.
Strategic Resharpening: If your facility uses larger KCM-370 machines, worn 370mm blades can be reground, resized, and repurposed perfectly for the KCM-275B. This closed-loop tooling strategy drastically cuts down on new blade purchasing costs.
🔍 Engineering Field Test: Solid 304 Stainless Steel
We don't just quote specs; we prove them. Last month, our technical team ran a side-by-side comparison in a marine engineering facility, cutting a 50mm solid 304 Stainless Steel bar.
Abrasive Chop Saw: Took 45 seconds. The steel edge reached 400°C, causing severe blue discoloration (thermal damage) and required 3 minutes of secondary grinding to remove heavy burrs.
FUJI KCM-275B Cold Saw: Sliced through in 32 seconds. The steel edge remained at room temperature (safe to touch immediately). The cut was perfectly square, completely burr-free, and ready for immediate precision welding.
Technical Specifications & Capacities
Built with robust cast-iron bases and vibration-dampening mechanics, choose the model that aligns with your heaviest material requirements.
Engineering Specification
FUJI KCM-250B
FUJI KCM-275B
Optimized Blade Diameter
250 mm
275 mm (Accepts resized 370mm)
Max Capacity: Round Pipe
Ø 80 mm
Ø 90 mm
Max Capacity: Square Tube
75 x 75 mm
80 x 80 mm
Max Capacity: Solid Bar (Steel)
Ø 50 mm
Ø 60 mm
Motor Configuration
High Torque / Low RPM (Geared)
High Torque / Low RPM (Geared)
Vise Clamping System
Manual Double Anti-Vibration Clamp
Manual Double Anti-Vibration Clamp
Net Machine Weight
Approx. 85 kg
Approx. 95 kg
Machine Blueprint & Dimensions
Included Standard Accessories
Frequently Asked Questions (FAQ)
Q: Can this machine reliably cut solid stainless steel bars without stalling?
A: Yes. Because we utilize a heavy-duty reduction gearbox rather than a direct drive, the motor generates immense torque at low RPMs. This prevents the stalling and blade deflection commonly seen when cutting solid stainless steel bars on inferior machines.
Q: How do I choose the right number of teeth for my metal saw blade?
A: As a rule of thumb established by our engineers: use fewer, larger teeth for thick solid bars (to allow for chip clearance), and more, finer teeth for thin-walled pipes (to prevent snagging and deformation). You can consult our team for exact tooth-pitch recommendations.
Q: Does the machine require cutting fluid/coolant?
A: Absolutely. Cold saws rely on a continuous flow of coolant to lubricate the cut, flush away chips, and preserve the temper of the HSS blade. Running it dry will instantly ruin the blade and void warranties.
Upgrade Your Metal Fabrication Efficiency Today
Stop wasting hours on secondary grinding and deburring. Implement the Japanese-engineered FUJI KCM Cold Saw series in your facility for perfect cuts, every single time.
Fuji products are manufactured following strict Japanese standard process requirements. Every wheel is engineered to meet or exceed JIS (Japanese Industrial Standards), such as JIS R 6242 and B 4051. Our core engineering logic prioritizes maximum operator protection by maintaining safety factors and burst speed capabilities that often surpass the highest industry benchmarks.
Standard Region
Safety Factor (Burst Multiplier)
Safety Logic & Benchmark
FUJI (High Precision)
> 2.0x
Engineered to exceed JIS requirements for maximum reliability.
Japan (JIS R 6242)
2.0x
Extreme Safety: A wheel rated at 80m/s must withstand a 160m/s burst test.
Europe (EN 12413)
$1.73x
Risk Balanced: Provides high safety redundancy for most industrial apps.
USA (ANSI B7.1)
1.5x
Efficiency Focused: Relies on machine guarding and operational procedures.
1.RPM Compliance: Never exceed the maximum R.P.M. specified on the wheel. Using the sides of the wheels for grinding is strictly prohibited, as it compromises the structural integrity of the abrasive bond.
2.Mandatory Idling: Allow the tool to idle for one minute before beginning work. If a new wheel has been mounted, an idle run of three minutes is required to ensure dynamic stability.
3.Workpiece Stability: All materials must be securely fastened. Improperly secured workpieces can lead to vibration, wheel binding, and unsafe kickback forces.
4.Arbor Hole Integrity: Do not modify or enlarge the metal center of the arbor hole. A proper fit is critical; a mismatched arbor causes eccentric rotation and dangerous vibration levels.
5.PPE Requirements: Industrial-grade face and eye protection are mandatory at all times. Ensure all protective gear meets local safety compliance standards.
6.Guard Protection: Protection guards are designed to contain fragments in the unlikely event of a wheel failure. Never operate tools or machinery with guards removed.
Applications of Abrasives & Usage Notes
Abrasive Selection Guide
Selection of grains (A, WA, AZ, etc.) based on material hardness and grinding precision.
Warning Symbol Interpretation
Standardized safety icons for safe operation and protection guard usage.
Professional Export & Maintenance Insight
When deploying Fuji high-performance tools in overseas markets, ensure that the regional power grid frequency and voltage match the tool specifications. To maintain the superior burst speed safety of Fuji wheels, store abrasives in a dry, temperate environment. Humidity can degrade the resin bond, potentially lowering the wheel’s resistance to centrifugal forces.