Enhanced Single Row Knotted Wire Cup Brush
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Enhanced Single Row Knotted Wire Cup Brush
Material: High-quality carbon or stainless steel wire (0.35 mm / 0.5 mm), single-row twisted knots with reinforced guard for durability and strong cutting performance.
Sizes: 75 mm, 100 mm, 125 mm for rust removal, paint stripping, cleaning, and heavy-duty surface prep.
Thread (G): M10×1.25, M10×1.5, M14×2, 5/8″-11, compatible with most 150–230 mm angle grinders.
Max Speed: 6,500–12,500 RPM depending on size for safe and stable operation.
Knot Count: 18–26 knots per row for balanced performance.
Customization: OEM/ODM available with logo, size, and packaging options.
Knotted Wire Cup Brushes Key Features
Industrial Heavy-Duty Knotted Wire Cup Brush — A high-performance surface preparation tool designed specifically for angle grinders.
- Delivers more aggressive and efficient cleaning and heavy-duty surface removal over large areas.
- Unique reinforced design provides greater stability and better handling than standard knotted wire brushes.
- Highly competitive factory-direct bulk pricing to help expand profit margins.
- Comprehensive global logistics network ensures stable delivery times and smooth customs clearance.
Knotted Wire Cup Brushes Technical
Swipe to view table
| ∅ (mm) | G | Max. RPM | T (mm) | Knot |
| 75 | 10×1.25 | 12500 | 22 | 18 |
| 75 | 10×1.5 | 12500 | 22 | 18 |
| 75 | 14×2 | 12500 | 22 | 18 |
| 75 | 5/8″-11 | 12500 | 22 | 18 |
| 100 | 14×2 | 8500 | 23 | 24 |
| 100 | 5/8″-11 | 8500 | 23 | 24 |
| 125 | 14×2 | 6500 | 24 | 26 |
| 125 | 5/8″-11 | 6500 | 24 | 26 |
Knotted Wire Cup Brushes Overview
Our enhanced single-row knotted wire cup brush is designed for demanding industrial surface preparation. It delivers reliable performance in tough working conditions.
Made from high-hardness, fatigue-resistant steel wire, the tightly twisted knots ensure strong rigidity and reduce wire breakage during heavy-duty use.
Ideal for removing heavy rust, weld slag, and old paint, it offers high efficiency while protecting the base material—trusted by industrial buyers and distributors worldwide.
Knotted Wire Cup Brushes Main Features
- High-Strength Knotted Wire Structure: The single-row, tightly twisted design prevents bristle splaying under pressure, maintaining aggressive cutting sharpness and achieving heavy-duty cleaning in one pass.
- Vibration-Control Thickened Metal Cup: Reinforced steel cup with anti-rust coating absorbs impact, optimizes balance, and ensures safe operation at high speeds.
- Extended Service Life: Made from wear-resistant, high-quality carbon steel, reducing replacement frequency and minimizing downtime for end users.
- Precision Knot Design: Each brush features 18–26 evenly distributed knots, ensuring uniform contact on both flat and irregular surfaces.
- Excellent Tensile Strength: Optimized for high-power electric or pneumatic angle grinders, supporting continuous high-load operation at high RPMs.
Knotted Wire Cup Brushes Advantages
- Maximized Cleaning Efficiency: Compared to standard crimped wire brushes, the knotted design penetrates stubborn dirt layers faster, reducing working time by nearly 50%.
- Safe Operation: Complies with international safety standards; 100% of brushes are dynamically balanced and tensile-tested before shipment to eliminate high-speed flying wire risks.
- Superior Substrate Protection: Efficiently removes surface contaminants while maintaining optimal rigidity to avoid excessive cutting or damage to the underlying metal.
- Consistent High Quality: Automated production lines ensure every batch meets consistent weight, hardness, and dynamic balance standards.
Knotted Wire Cup Brushes Applications
- Shipbuilding & Maintenance: Efficient removal of marine growth, heavy rust, and old anti-fouling paint from ship surfaces.
- Welding & Metal Fabrication: Pre-weld cleaning of metal edges and post-weld removal of spatter, slag, and oxidation scale.
- Oil & Gas Pipeline Construction: Stripping corrosion layers, cleaning weld seams, and refurbishing pipe surfaces.
- Steel Structures & Construction Sites: Polishing and rust removal of large steel beams, pipes, and heavy machinery before coating.
- General Industrial Maintenance & MRO: Heavy-duty carbon and scale removal on machinery parts, casting molds, and various industrial equipment.
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: 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: 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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