Knotted Wire Cup Brush with Ring
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Knotted Wire Cup Brush with Ring
Material: High-quality carbon steel or stainless steel, 0.35 mm or 0.5 mm wire, tightly twisted into a single-row knot with a reinforced metal guard.
Sizes: 65 mm, 75 mm, 100 mm, 125 mm, and 150 mm, ideal for rust removal, paint stripping, and heavy-duty surface preparation.
Thread: M10x1.25, M10x1.5, M14x2, and 5/8″-11, compatible with most 150–230 mm angle grinders.
Max Speed: 4,500 – 12,500 RPM for safe, stable, and efficient grinding under heavy-duty use.
Knot Count: 16–30 knots per row for balanced performance.
Customization: OEM/ODM available with logo, size, and packaging options.
Knotted Wire Cup Brush Key Features
Industrial Knotted Wire Cup Brush with Supporting Ring — Heavy-duty surface cleaning tool designed for high-power angle grinders.
- Aggressive Large-Area Cleaning:Engineered for rapid rust removal, paint stripping, and intensive surface preparation on large surfaces.
- Innovative Supporting Ring Design:Unique safety ring effectively limits wire expansion, keeping cutting force focused and stable.
- Extended Service Life:After outer wires wear down, the supporting ring can be removed to expose fresh inner wires, significantly prolonging service life.
- Smooth & Stable Operation:Precision-balanced design delivers smooth performance with minimal vibration for a comfortable user experience.
Knotted Wire Cup Brush Technical
Swipe to view table
| Diameter (Ø mm) | Thread (G) | Max. RPM | Wire Length (T mm) | Knots |
|---|---|---|---|---|
| 65 | M10x1.25 | 12,500 | 15 | 16 |
| 65 | M10x1.5 | 12,500 | 15 | 16 |
| 65 | M14x2 | 12,500 | 15 | 16 |
| 65 | 5/8″-11 | 12,500 | 15 | 16 |
| 75 | M10x1.25 | 8,500 | 23 | 20 |
| 75 | M10x1.5 | 8,500 | 23 | 20 |
| 75 | M14x2 | 8,500 | 23 | 20 |
| 75 | 5/8″-11 | 8,500 | 23 | 20 |
| 100 | M14x2 | 8,500 | 24 | 26 |
| 100 | 5/8″-11 | 8,500 | 24 | 26 |
| 125 | M14x2 | 6,500 | 22 | 30 |
| 125 | 5/8″-11 | 6,500 | 22 | 30 |
Knotted Wire Cup Brush Overview
This knotted wire cup brush with ring sets the industry standard for heavy-duty surface preparation. It addresses common issues such as wire spreading, breakage, and short lifespan under extreme workloads.
The supporting ring securely holds the wire bundles in place during initial use, preventing excessive bending or scattering under high-pressure operation. This ensures smooth, stable, and highly aggressive grinding performance.
As the outer wires wear down, the ring can be removed, revealing unused inner wires for extended service life. Ideal for shipyards, pipeline contractors, and industrial maintenance teams, it combines safety, efficiency, and cost-effectiveness.
Knotted Wire Cup Brush Main Features
- Dual-Life Supporting Ring: Provides strong initial support and can be removed to expose additional wire, doubling service life.
- High-Density Single-Row Knots: Each wire bundle is tightly twisted by automated equipment, maintaining cutting sharpness under heavy-duty use.
- Smooth Action & Perfect Balance: Advanced automatic weight calibration ensures minimal vibration and reduces operator fatigue.
- Universal Thread Compatibility: Fits most pneumatic and electric angle grinders worldwide, ensuring quick installation and secure fit.
- Reinforced Steel Cup Construction: Double-layer steel housing with anti-rust coating provides strong, reliable protection during high-speed operation.
Knotted Wire Cup Brush Advantages
- Superior Stability: The supporting ring combined with advanced balancing technology eliminates vibration and jump, offering smooth grinding.
- Reduced Total Cost: Innovative design extends brush lifespan, reducing replacement frequency by over 30%, improving cost efficiency for B2B customers.
- Enhanced Safety: Tight twisted wires and outer ring minimize wire breakage and flying debris, complying with strict EU/US safety standards.
- High-Efficiency Cleaning: Maintains wire rigidity to quickly remove heavy weld slag, multi-layer coatings, and deep carbon deposits.
Knotted Wire Cup Brush Applications
- Shipbuilding & Marine Engineering: Quickly removes marine growth, heavy anti-corrosion coatings, and thick oxide layers.
- Oil & Gas Pipeline Construction: Cleans weld seams, removes slag and scale, and prepares surfaces before coating.
- Steel Structures & Bridge Construction: Polishing, rust removal, and surface preparation of large steel beams and structural components.
- Foundry & Forging MRO: Removes casting sand, scale, and heat treatment residues from heavy machinery parts.
- Railway & Heavy Equipment Refurbishment: Precision grinding for train frames, rails, and large mining equipment maintenance.
Let's Build Your Tool Solution Together
We make working with us simple:
- Get Factory Prices & Peace of Mind:As the direct factory, we give you top quality at the best price, with complete control over production and quality checks.
- Try Before You Buy:We encourage sample orders. See and test the quality for yourself.
- We Make It Yours:Need a custom solution? Our OEM/ODM services are here for you.
- We’re Here for You:Have a question? You’ll hear back from us in under 12 hours. We’re your partner, not just another supplier.
Let’s start a conversation. Tell us your needs, and we’ll provide a quote or sample to prove we’re the right partner for you.
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FAQ (Frequently Asked Questions)
A: The supporting ring initially limits wire spread, maintaining maximum rigidity and smooth operation. When the outer wires wear down to the level of the ring, simply remove or tap off the ring to expose fresh inner wires, significantly extending overall brush life.
A: It depends on the workpiece material. Carbon steel is cost-effective and strong for ordinary iron, carbon steel, or structural steel. Stainless steel is required for stainless steel, aluminum, or non-ferrous metals to prevent carbon residue and cross-contamination.
A: 0.5 mm wire is stiffer, ideal for heavy rust, scale, and thick weld slag. 0.35 mm wire is slightly flexible, suitable for medium rust, old paint removal, and rough polishing requiring a smoother surface.
A: Yes, we encourage you to test our quality! Sample pieces are provided for free. You only need to cover the shipping cost. This allows you to evaluate our products with minimal risk before committing to a bulk order.
A: Our standard MOQ is very flexible, starting from 100 pieces for most items. We understand the need for testing the market, and we are happy to support smaller initial orders to build our partnership.
A: Absolutely! We welcome OEM and ODM orders. We can apply your logo using methods like laser engraving or printing, and customize the packaging to your specifications. Let’s discuss your branding needs.
A: For standard products, the typical production time is 15-25 working days. For larger custom orders, it may take 25-45 working days. We will always provide a confirmed timeline with your order confirmation to ensure timely planning.
A: We offer flexible payment terms to suit your needs, including T/T (Bank Transfer), L/C (Letter of Credit), PayPal and so on. A deposit is typically required to start production, with the balance paid before shipment.
A: Quality is our priority. We implement strict quality control at every stage, from raw material inspection to final product testing. Our ISO9001 certification is a testament to our commitment to consistent quality. We also hold CE and MPA certifications for relevant products.
A: We stand behind our products. If you receive any defective items, please contact us immediately with photos or videos. We will investigate and provide a solution, which may include replacement or refund, as per our warranty policy.
A: We have extensive experience in international shipping and can arrange door-to-door delivery for your convenience. We work with reliable freight forwarders and will suggest the most cost-effective and efficient shipping method (by sea, by air, or by express courier like DHL/UPS) for your order.
A: Shipping time varies by method:
- Express (e.g., DHL/UPS):5-7 days.
- Air Freight:8-12 days.
- Sea Freight:30-45 days.
We will confirm the exact estimated time when you place your order.
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