Double Row Knotted Wire Cup Brush
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Double Row Knotted Wire Cup Brush
Material: High-tensile carbon steel or stainless steel in a double-row staggered design for superior wear and anti-break performance.
Sizes: 75 mm (3″) and 100 mm (4″), wide coverage for efficient large-area work.
Thread: M10x1.25, M10x1.5, M14x2, and 5/8″-11, compatible with most right-angle grinders.
Max Speed: 8,500 – 12,500 RPM, precision-balanced for stability and vibration resistance under heavy-duty use.
Customization Services: Supports OEM/ODM orders with customized logos, sizes, and packaging solutions
Knotted Wire Cup Brush Key Features
Industrial Double-Row Knotted Wire Cup Brush — High-efficiency heavy-duty surface cleaning tool designed for right-angle grinders.
- Double-Row High-Density Knots:Staggered double-row construction achieves twice the cleaning and stripping efficiency in a single pass.
- Low Torque for Tool Protection:Optimized ground-contact geometry reduces torque demand on the grinder while maintaining the same cleaning efficiency.
- Superior Planar Control:Designed for relatively flat, wide surfaces to ensure even grinding trajectories.
- Competitive Factory Pricing:Tiered pricing system tailored for bulk purchases, offering distributors excellent profit margins.
Knotted Wire Cup Brush Technical
Swipe to view table
| Ø (mm) | G | Max. RPM | T (mm) | Knot |
| 75 | 10×1.25 | 12500 | 22 | 34 |
| 75 | 10×1.5 | 12500 | 22 | 34 |
| 75 | 14×2 | 12500 | 22 | 34 |
| 75 | 5/8″-11 | 12500 | 22 | 34 |
| 100 | 14×2 | 8500 | 23 | 50 |
| 100 | 5/8″-11 | 8500 | 23 | 50 |
Knotted Wire Cup Brush Overview
This industrial double-row knotted wire cup brush is engineered for large-area, high-intensity surface preparation. Its revolutionary design features a double-row staggered knot structure, reaching up to 50 high-density knots on the 100 mm size.
This dense arrangement forms a wide cutting path, reducing the need for repeated passes on flat surfaces. Moreover, the innovative physical layout ensures strong cutting force while significantly lowering the torque required by the grinder, improving worker efficiency and minimizing tool overload, wear, and energy costs.
Ideal for industrial factories, shipyards, pipeline projects, and large-scale maintenance teams.
Knotted Wire Cup Brush Main Features
- Double-Row Staggered High-Density Knots: Increases effective working wires per unit area for stronger cleaning and wider coverage.
- Low-Load, Energy-Saving Design: Reduces peak torque on pneumatic and electric grinders, extending tool life.
- Flat Surface Optimized Geometry: Wide, flattened structure maintains contact on plates, large-diameter pipes, and tank surfaces without tilting.
- Precise Heavy-Duty Balance: Every brush is dynamically balanced to minimize noise and vibration, even at 12,500 RPM.
- Durable Reinforced Steel Cup: Thick, one-piece metal housing with anti-corrosion coating ensures reliability under high-impact conditions.
Knotted Wire Cup Brush Advantages
- Reduced Labor Costs: High knot density allows aggressive cleaning, quickly removing stubborn residues with single-pass efficiency.
- Lower Equipment Wear: Low torque requirement reduces heat and wear on grinder fleets, decreasing downtime.
- Consistent Surface Finish: Staggered double-row wires prevent overcutting and maintain uniform substrate surface.
- Strict Safety Compliance: Tightly twisted wires and heavy-duty cup shield pass factory stress tests, ensuring operator safety.
Knotted Wire Cup Brush Applications
- Pipeline & Tank Projects (Oil & Gas): Large storage tanks and wide-diameter pipelines for coating removal and refurbishment.
- Heavy Steel Structures & Bridges: Cleaning rust and oxidation on wide steel plates, H-beams, and large structural components.
- Shipyards: Efficient removal of marine growth, thick rust, and old paint layers on decks and hulls.
- Metal Fabrication & Heavy Welding: Pre- and post-weld cleaning, slag removal, and debris clearing on long welds.
- Industrial MRO & Maintenance: Heavy carbon and scale removal on large factory equipment and metal castings.
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 most obvious benefit is speed and stability. The double-row design greatly increases the number of wire knots (e.g., 50 knots for the 100 mm size), providing wider and denser contact. On relatively flat surfaces, this allows rust, weld slag, or paint to be stripped in a single pass, doubling work efficiency.
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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