High-Efficiency,Long-Lasting

FUJI Self-Sharpening Grinding Wheels
  • 180mm Depressed Center Grinding Wheels (Super Z)
  • 4 inch and 7 inch Depressed Center Grinding Wheels (High Speed Series)
  • Label Information of Fuji Grinding Wheel
  • Packing carton of FUJI Super F2 Grinding Wheels
  • 180mm Depressed Center Grinding Wheels (Super Z)
  • 4 inch and 7 inch Depressed Center Grinding Wheels (High Speed Series)
  • Label Information of Fuji Grinding Wheel
  • Packing carton of FUJI Super F2 Grinding Wheels

4"/7" Depressed Center Grinding Wheels(Super Z, High Speed Series)

No.Super Z, High Speed Rotation

Key Features & Advantages

  • Maximized Cost Savings: Engineered to reduce abrasive consumption and extend service life, directly lowering operational overhead.
  • Increased Productivity: High-performance grain structure ensures rapid material removal and durability, improving overall output.
  • Operator Comfort: Ergonomic, balanced design reduces physical strain and vibration, enhancing workplace safety and comfort.
  • Japanese Reliability: Manufactured under strict Japanese standards to ensure consistent quality and performance in every wheel.

Material Application

  • General Steel & Super Alloy Steel
  • Stainless Steel (INOX)
  • Cast Iron & Heavy Metal Fabrication

Technical Specifications (Super Z)

Specification of Depressed Center Grinding Wheels (Super Z)

*Please refer to the package or contact us for specific details regarding High Speed Rotation products.

  • 180mm Depressed Center Grinding Wheels (Super Z)
  • 4 inch and 7 inch Depressed Center Grinding Wheels (High Speed Series)
  • Label Information of Fuji Grinding Wheel
  • Packing carton of FUJI Super F2 Grinding Wheels
  • Description

  • Instruction for Use

  • Cautions

Fuji Super Z & High Speed Series: Heavy Duty Performance

Demo of Grinding work with FUJI Grinding Wheel

Key Advantages:

  • High Value-Low Price: Offers exceptional industrial performance at a competitive price point.
  • Versatility: Available in multiple sizes (4", 5", 7") and engineered for varied materials including Stainless Steel and Cast Iron.
  • Efficiency Boost: High G-Ratio bond consumes fewer abrasives while removing more material per minute.
  • Durability: Extended service life reduces downtime for wheel changes and lowers replacement costs.
  • Safety First: Built-in double reinforcement ensures high impact resistance for safe operation.
  • User-Friendly: Aggressive cutting action requires less manual pressure, minimizing operator fatigue.
  • Quality Assurance: Manufactured in-house (not OEM) in Japan under strict quality controls.
Ideal For: Industries requiring precision and endurance, such as metalworking, construction, shipbuilding, and heavy manufacturing. The focus on safety and user comfort makes them perfect for prolonged use in demanding environments.

1. Fuji Super-Z Series (For Stainless & Iron)

The Super-Z is our prime heavy-duty product, developed with advanced AZ Zirconia Refractory Abrasives. This unique composition offers superior toughness and heat resistance, making it the ultimate choice for grinding hard-to-process materials.

Worker grinding steel tube with Fuji Super Z grinding discs

Why Choose Super-Z?

  • Exceptional Durability: Engineered with AZ refractory technology, it resists wear even under extreme grinding pressure.
  • Precision Grinding: Delivers smooth finishes on stainless steel and iron, ideal for critical applications.
  • Cost-Effective: Long-lasting performance lowers long-term operational costs for heavy industries.

Applications of Super Z:

  • Heavy-duty grinding in industrial manufacturing (e.g., shipbuilding, machinery parts).
  • Surface finishing for stainless steel pipes, valves, and structural components.
  • Maintenance of iron-based equipment in harsh environments (e.g., mining, construction).

Technical Specifications (Super Z)

Depressed Center Grinding Wheels (Super Z) Packaging
Specs of Depressed Center Grinding Wheels (Super Z)

Note: The 15mm bore diameter can be modified to 16mm for export upon request.


2. High Speed Rotation Series (Maximal Efficiency)

Designed for high-speed angle grinders and heavy-duty applications, this series maximizes material removal rates without compromising safety.

Why Choose High Speed Rotation?

  • Maximized Productivity: Operates at ultra-high speeds (up to 80m/s or higher depending on spec) to complete grinding tasks 20–30% faster.
  • Multi-Material Compatibility: Works seamlessly across steel, cast iron, stainless steel, and specialty alloys.
  • Reduced Heat Buildup: Advanced cooling bond design prevents overheating, preserving material integrity (no blue burn).

Applications:

  • Rapid material removal in automotive repair (e.g., engine components, brake discs).
  • High-efficiency processing of special steel alloys in tool manufacturing.
  • Versatile use in workshops for mixed-material projects (e.g., steel frameworks, cast iron machinery).

Technical Specifications (High Speed)

High Speed Series Grinding Wheels Packaging
Specs of High Speed Grinding Wheels

Note: Custom specifications available. Please contact us for details.

Frequently Asked Questions (FAQ)

What is the difference between Super Z and standard wheels?

Super Z wheels utilize premium AZ Refractory grain, which is tougher and more heat-resistant than standard Aluminum Oxide. This allows Super Z to grind harder materials like Stainless Steel and Cast Iron with longer life and less wheel wear.

Can I use these wheels on a standard angle grinder?

Yes, provided the grinder's RPM does not exceed the Maximum Safe Speed marked on the wheel (usually 4,300m/min or 72m/s for standard, higher for High Speed series). Always check your machine's rating.

Do you offer OEM services for these wheels?

Yes, Fuji Grinding Wheel offers comprehensive OEM and private label manufacturing services. We can customize the bond, hardness, and packaging to suit your brand's requirements.

Ready to experience the power of Japanese engineering? Contact Fuji Grinding Wheel today for a quote or to request samples for testing.

Abrasive Wheel Selection & Technical Parameters Guide

Choosing the correct abrasive wheel is critical for both operational efficiency and JIS-compliant safety. Fuji Grinding Wheels are engineered with precise technical markings to ensure the perfect match for your specific material and machine requirements.

Understanding Fuji Markings (e.g., WA 36 P BF)

  • Abrasive Type (WA/A/AZ): Determines the suitability for material hardness (e.g., WA for hardened steel, AZ for heavy-duty alloys).
  • Grit Size (16 - 120): Indicates the coarseness. Lower numbers for rapid removal; higher numbers for precision finishing.
  • Hardness Grade (L - S): Defines the bond strength. Correct selection prevents premature wheel wear or surface glazing.
  • Bonding Agent (BF): High-grade Resinoid bond reinforced for high-speed safety and impact resistance.

💡 Expert Selection Tip

For professional export markets, always verify the Peripheral Speed (m/s) compatibility. Fuji wheels are designed to exceed JIS Burst Speed factors, but operating at the recommended R.P.M. ensures the longest tool life and cleanest cut.

Note: Mismatched grit or hardness can lead to excessive heat buildup, affecting the workpiece's structural integrity.

Fuji Abrasive Technical Selection Chart

An instructional guide on the proper selection of abrasive wheels and Fuji parameters

Global Maintenance Standard: To maintain the high safety factor of Fuji wheels, avoid exposure to excessive humidity and chemical solvents during storage. Proper care preserves the resinoid bond's strength, crucial for high-load industrial applications.

FUJI Industrial Quality & Safety Protocols

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 RegionSafety Factor (Burst Multiplier)Safety Logic & Benchmark
FUJI (High Precision)> 2.0xEngineered to exceed JIS requirements for maximum reliability.
Japan (JIS R 6242)2.0xExtreme Safety: A wheel rated at 80m/s must withstand a 160m/s burst test.
Europe (EN 12413)$1.73xRisk Balanced: Provides high safety redundancy for most industrial apps.
USA (ANSI B7.1)1.5xEfficiency Focused: Relies on machine guarding and operational procedures.

⚠️ Essential Safety Cautions & Operational Integrity

  • 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

FUJI Abrasive Selection Table

Selection of grains (A, WA, AZ, etc.) based on material hardness and grinding precision.

Warning Symbol Interpretation

FUJI Usage Symbols and Cautions

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.