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CNDOME® Grinding Discs:

Adhering to Dome’s stringent quality standards, every “CNDOME” grinding disc is a paragon of performance and reliability. Choosing it means choosing peace of mind and high efficiency. We understand that your needs are unique. Whether you want to build your own brand or have special application requirements, we can tailor a custom grinding disc solution to your specifications.

  • Superior materials, sharp and wear-resistant
  • Robust structure, safe and reliable
  • Professional segmentation, precise matching
  • High efficiency and stability, worry-free and labor-saving
  • Cost optimization, the best value choice
  • Technical support, worry-free customization

DOME: Your Trusted Grinding Disc Partner from China

As a leading grinding disc manufacturer based in China, DOME brings decades of specialized expertise to the global industrial market. We have built our reputation on delivering not just products, but complete abrasive solutions that meet the evolving needs of professionals worldwide.

Grinding Discs by Application: Engineered for Specific Tasks

Choosing the right grinding disc for your specific job is key to improving efficiency and achieving the desired surface treatment results.

Grinding Discs for Metal

Applicable Materials: Carbon steel, structural steel, castings, etc.

Key Features: Striking the perfect balance of efficiency, safety, and economy, this disc is built for performance. It aggressively removes material for weld prep and deburring, and its long-lasting durability makes it a cost-effective solution for sustained use.

Grinding Discs for Stainless Steel

Applicable Materials: Stainless steel, alloy steel, etc.

Key Features: Engineered for high-performance grinding, our abrasives deliver powerful cutting action while efficiently dissipating heat. This prevents heat-related damage like “bluing,” reduces clogging, and ensures a longer service life.

Grinding Wheels for Stone

Applicable Materials: Stone, concrete, bricks, tiles, and ceramic tiles.

Key Features: Exceptional wear resistance and service life, maintaining excellent performance even under high-pressure grinding. Highly efficient heat dissipation prevents wheel ablation or cracking. Optimized for rapid material removal or fine machining.

SG Grinding Wheels

Applicable Materials: Stainless steel, tool steel, high alloy steel and other hard metals

Key Features: Its superior durability and self-sharpening abrasive structure maintain a sharp cutting surface at all times, thus significantly extending service life and improving material removal rate, far surpassing traditional grinding wheels.

Angle Grinding Discs

Applicable Materials: General metals, castings, etc.

Key Features: Designed specifically for removing hard, heavy materials. Utilizing high-strength alumina abrasive and reinforced fiberglass mesh, it ensures durability and safety even under high pressure. A practical and economical balance is achieved between speed and lifespan.

Polishing Wheels

Applicable Materials: Stainless steel, aluminum, plastic, and wood, etc.

Key Features: Designed to transform rough or scratched surfaces into smooth, high-gloss finishes. Effectively levels materials and removes defects. A ventilated design aids in heat dissipation and prevents burn marks on sensitive metal surfaces such as aluminum or stainless steel.

Grinding Discs by Material: Choose the Abrasive for Your Task

Grinding discs are specifically engineered around their core abrasive material, which dictates their performance, application, and cost. Choosing the correct disc material ensures optimal cutting speed, disc longevity, and finish quality for your specific metalworking task.

Aluminum Oxide Grinding Wheels

Applicable Materials: High-strength, high-tensile-strength ferrous metals such as carbon steel, alloy steel, and malleable cast iron.

Key Features: Alumina abrasives have good toughness, can withstand high pressure, and are not easily broken, making them very suitable for heavy-duty grinding of ordinary steel. They are the most common and widely used type of grinding wheel in workshops.

Grinding Discs by Size: Match the Size to Your Grinding Task

Properly matching the grinding disc size with the machine specifications is key to ensuring safe and efficient grinding results.

2 inch Grinding Wheel

Diameter: 50mm/58mm

Applicable Machines: Mini angle grinder

Key Features: Designed for high-precision operations in confined spaces, this machine rapidly removes metal materials and features a compact, reinforced fiberglass structure that ensures safe operation at high speeds.

3 inch Grinding Wheel

Diameter: 76mm

Applicable Machines: Small angle grinder

Key Features: Versatile and versatile. It strikes a good balance between material removal capability and operability, making it suitable for chamfering small workpieces and preliminary grinding of weld seams.

4 inch Grinding Wheel

Diameter: 100mm

Applicable Machines: Lightweight angle grinder

Key Features: It is easy to operate, has a fast grinding speed, stable performance, low vibration, and effectively reduces heat transfer, thus protecting the workpiece. It perfectly combines speed, strength, and safety.

4.5 inch Grinding Wheel

Diameter: 115mm

Applicable Machines: Standard angle grinder

Key Features: Golden balance. The world’s most popular angle grinder size. Offers optimal grinding efficiency and versatility, suitable for most on-site welding grinding and deburring operations.

5 inch Grinding Wheel

Diameter: 125mm

Applicable Machines: Medium and large angle grinders

Key Features: Designed specifically for the removal of heavy metal materials. The reinforced structure prevents breakage during high-pressure grinding and offers an exceptionally long service life.

6 inch Grinding Wheel

Diameter: 150mm

Applicable Machines: High-power angle grinder

Key Features: Key Features: High-powered grinding. Requires a high-powered machine drive. Suitable for grinding large surfaces, heavy-duty weld seams, and large-scale material removal, with significant efficiency.

7 inch Grinding Wheel

Diameter: 180mm

Applicable Machines: High-power angle grinder

Key Features: Professional heavy-duty. Approaching the safe operating limits of a handheld angle grinder. Used for heavy grinding and cleaning of large structural components and castings; strict adherence to safety procedures is required.

9 inch Grinding Wheel

Diameter: 230mm

Applicable Machines: Stationary grinding machines, large mobile grinding machines

Key Features: Designed specifically for maximizing material removal in large-scale metalworking projects. Powerfully removes weld seams, spatter, and excess material.

Why Choose Dome: Your Strategic Grinding Discs Partner

Dome is more than a manufacturer; we are your strategic partner in product creation. We believe true OEM collaboration means embedding your brand’s philosophy and quality standards into every disc, helping you build unique market competitiveness as your most reliable back-end workshop.

Deep Collaboration & Custom R&D

Our partnership starts with your needs. Our engineers work with you to analyze target materials and performance goals. We go beyond standard options to customize abrasive types, grit, hardness, and bond formulas, creating the optimal product for your specific application.

Comprehensive, Flexible Customization

Your vision defines the product. We support a wide range of customizations:

  • Specifications: Non-standard sizes, special bore sizes, and shapes for unique equipment.
  • Performance: Tailored product tiers (economy, general-purpose, high-end) to match your market strategy.
  • Branding: Complete solutions from disc marking (printing, laser) to full packaging design.
Rigorous, End-to-End Quality Assurance

Your brand reputation is secured by our stringent system. We ensure stability from premium global raw materials through full-process digital production to final batch testing for safety and performance (rotation, balance, cutting tests).

Efficient Supply Chain & Optimized Value

We deliver reliability and value. Leveraging mature supply chains and automated production, we guarantee on-time delivery and rapid response. Our scale and lean management provide highly competitive costs without compromising quality.

Partner with Dome to transform your vision into a market-ready competitive advantage.

Precision-Engineered Grinding Discs: Powering Your Most Demanding Applications

In high-stakes grinding, our grinding wheels deliver unmatched durability, control, and value, transforming raw power into perfected finishes.

Unmatched Cutting Efficiency

Proprietary abrasive grain maintains a self-sharpening edge for faster, more aggressive material removal from start to finish.

Exceptional Durability & Safety

Reinforced with high-strength materials, our discs withstand extreme heat and pressure for longer life and reliable operation.

Superior Operator Comfort

Precision-balanced construction drastically reduces vibration and fatigue, enabling better control and smoother finishes.

Material-Specific Precision

We offer optimized formulations for different metals—from heavy steel to stainless—ensuring the best results for every application.

Lower Total Operating Cost

The combination of extended service life and rapid cutting speed significantly reduces your cost per grind, saving on both discs and labor.

Proven Reliability & Consistency

Every disc delivers predictable, high-performance results job after job, minimizing downtime and maximizing productivity.

The Journey to the Birth of a Super Grinding Disc

From a tiny grain of abrasive to a reliable tool in your hand, we invest not only in raw materials and processes, but also in our unwavering commitment to “craftsmanship.” Choosing us means choosing stability, efficiency, and peace of mind.

Tailor-made Grinding Discs for Your Project

Grinding is a test of endurance—for both the tool and the operator. Our grinding discs are engineered to turn this tough job into a model of efficiency. Stop battling with your tools. Upgrade to grinding discs that work as hard as you do.

Customer Reviews

⭐⭐⭐⭐⭐ Lasts 3x Longer Than the Cheap Ones
— Carlos R., Fabrication Shop Owner

“We switched our entire shop to these discs, and the cost savings are real. While the upfront price is a bit higher, they easily last three times longer than the budget discs we used before. We’re changing discs less often and buying fewer of them. That adds up to significant productivity gains and lower costs over time.”

⭐⭐⭐⭐⭐ No Loading on Stainless Steel!
— Emily T., Metal Fabricator

“Grinding stainless is always a pain because discs load up and stop cutting. I was skeptical, but this disc held up beautifully. It stayed aggressive through the entire job without clogging. It’s a lifesaver for quality stainless work and leaves a clean finish ready for passivation.”

⭐⭐⭐⭐ Consistent Performance, Batch After Batch
— Procurement Manager, Large Construction Firm

“We order in bulk, and consistency is key for us. We’ve been using these grinding discs across multiple sites for six months, and the quality is identical in every batch. There’s no variation, which means our crews know exactly what to expect and can work efficiently and safely. Reliable partner for our business.”

FAQ

Q1: How do I choose the right grinding disc for my material?

A: Selecting the correct disc is based on the material you are working on. Using the wrong type can be inefficient and dangerous.
For Steel & Metal: Use discs with an Aluminum Oxide (A) abrasive. It is tough and durable for general metalworking.
For Stainless Steel: Use discs with a Zirconia Alumina (Z) abrasive. They are more aggressive, run cooler, and help prevent “loading” (clogging) and discoloration.
For Concrete, Stone & Masonry: Use discs with a Silicon Carbide (C) abrasive or specialized diamond blades. Silicon Carbide is very sharp and hard, ideal for brittle materials.
Always check the disc’s label and specification sheet for its intended applications.

Q2: What do the specifications and markings on a grinding disc mean?

A: Discs are marked with standardized codes for safety and identification. Key markings include:
Abrasive Material: (e.g., A, Z, C) as explained above.
Grit Size: A lower number (e.g., 24, 36) indicates a coarse grit for aggressive material removal. A higher number (e.g., 60, 80, 120) indicates a finer grit for smoother finishing.
Size: The diameter of the disc (e.g., 4.5″, 5″, 7″, 9″).
Maximum Operating Speed: The RPM (Revolutions Per Minute) rating (e.g., 12,200 RPM, 13,300 RPM). NEVER exceed this speed.
Type/Shape: e.g., “Type 27” (depressed center) for grinding, “Type 1” (flat) for cutting.

Q3: What safety precautions should I take when using a grinding disc?

A: Safety is paramount. Always:
Wear PPE: Safety glasses, a face shield, heavy-duty gloves, and hearing protection are essential.
Inspect the Disc: Before use, perform a “ring test” on resinoid bonded discs by tapping it lightly. A clear “ring” means it’s intact. A dull “thud” indicates a crack—do not use it.
Check the Guard: Ensure the machine’s safety guard is properly installed and adjusted.
Use the Correct RPM: Match the disc’s max RPM to the tool’s RPM.
Allow the Disc to Do the Work: Avoid applying excessive pressure, which can cause overheating and disc failure.

Q4: How can I tell when a grinding disc is worn out and needs replacing?

A: Replace the disc when:
It no longer cuts or grinds efficiently, requiring more pressure and time.
The diameter has worn down significantly (do not use a disc smaller than a minimum safe size).
It is visibly damaged, cracked, or the mounting hole is enlarged.
It has become “loaded” or glazed over with material, reducing its effectiveness.

Q5: Can I use a grinding disc on wood?

A: It is not recommended. Grinding discs designed for metal can quickly become clogged with wood resin and pose a fire hazard. Always use tools and abrasives specifically designed for woodworking.

Q6: Do you offer custom grinding disc solutions?

A: Yes, we do. We specialize in providing flexible product customization services. If you have a unique application, specific material, or operate under particular brand specifications, we can work with you to develop a grinding disc solution that perfectly fits your project’s needs.

Certificate

Choosing our grinding discs means choosing internationally certified peace of mind. Our products strictly adhere to CE, MPA, EN 12413, and BSCI standards, representing our solemn commitment to superior performance, ultimate safety, and corporate social responsibility—all to ensure that every product you receive is worthy of your complete trust.

Main Market

As a manufacturer with 80% of our products exported worldwide, we understand global quality and compliance standards firsthand. We have built our reputation on reliably serving international markets. Choose Dome Leverage our global export expertise to develop your custom abrasive solutions with confidence.

Latin America

Mainstream Models:

115×1.0x22.2mm
115×3.0x22.2mm
115×6.0x22.2mm
180×1.6×22.2mm
230×2.0x22.2mm
355×3.0x25.4mm

Europe

Mainstream Models:

115×1.0x22.2mm
125×1.0x22.2mm
125×6.0x22.2mm
150×1.6×22.2mm
180×1.2×22.2mm
230×2.0x22.2mm

Africa

Mainstream Models:

115×1.0x22.2mm
180×6.0x22.2mm
230×2.0x22.2mm

Asia

Mainstream Models:

100×6.0x16mm
107×1.0x16mm
355×2.5×25.4mm
355×3.0x25.4mm

Start Small, Scale Smart: Your Custom OEM Journey Begins Here

We offer 10 PCS of FREE SAMPLES for qualified projects. Test our performance, feel our quality, and validate your specifications firsthand—completely risk-free. Ready to turn your vision into a tangible product? Contact us today to discuss your project and request your free samples.

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Zhenglu Garden Industrial Park, Tianning District, Changzhou City, Jiangsu Province

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