Single Row Knotted Wire Cup Brush
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Single Row Knotted Wire Cup Brush
Material: High-quality carbon steel or stainless steel wire, 0.35 mm / 0.5 mm, twisted into single-row knots with a reinforced metal guard.
Sizes: 65 mm, 75 mm, 100 mm, 125 mm, 150 mm for cleaning, rust removal, paint stripping, and heavy-duty prep.
Thread (G): M10×1.25, M10×1.5, M14×2, 5/8″-11, compatible with most 150–230 mm angle grinders.
Max Speed: 4,500–12,500 RPM for stable and efficient performance.
Customization Services: Supports OEM/ODM orders with customized logos, sizes, and packaging solutions
Knotted Wire Cup Brush Key Features
Single-row Knotted Wire Cup Brush — Premium stainless steel and carbon steel cup brush for angle grinders.
High-performance single-row knotted wire rust removal brush, ideal for removing stubborn rust, weld slag, scale, and for professional surface cleaning.
Highlights:
- Fast and clean heavy-duty surface cleaning
- Stainless steel version offers excellent corrosion resistance, preventing metal cross-contamination
- Enhanced safety and durability (resists wire breakage and shedding under high-intensity use)
- Highly competitive bulk pricing and global shipping
Knotted Wire Cup Brush Technical
Swipe to view table
| ∅ (mm) | G | Max. RPM | T (mm) | Knot |
| 65 | 10×1.25 | 12500 | 17 | 16 |
| 65 | 10×1.5 | 12500 | 17 | 16 |
| 65 | 14×2 | 12500 | 17 | 16 |
| 65 | 5/8″-11 | 12500 | 17 | 16 |
| 75 | 10×1.25 | 12500 | 17 | 18 |
| 75 | 10×1.5 | 12500 | 17 | 18 |
| 75 | 14×2 | 12500 | 17 | 18 |
| 75 | 5/8″-11 | 12500 | 17 | 18 |
| 100 | 14×2 | 8500 | 23 | 24 |
| 100 | 5/8″-11 | 8500 | 23 | 24 |
| 125 | 14×2 | 6500 | 27 | 26 |
| 125 | 5/8″-11 | 6500 | 27 | 26 |
| 150 | 14×2 | 4500 | 30 | 30 |
| 150 | 5/8″-11 | 4500 | 30 | 30 |
Knotted Wire Cup Brush Overview
Our Single Row Knotted Wire Cup Brushes are made from high-quality carbon steel or stainless steel wire, manufactured with a reinforced twisting (knotted) process to ensure high tensile strength, excellent cutting performance, and extended service life.
This series is specially designed for professionals across various industries. The carbon steel version delivers outstanding performance in rust removal on standard steel, while the stainless steel version effectively prevents rust contamination when working on stainless steel and aluminum surfaces.
Featuring high cleaning efficiency, low vibration, and strong durability, the brushes maintain excellent dynamic balance even under high-speed operation on angle grinders.
Knotted Wire Cup Brush Main Features
- Premium Dual Materials: Available in carbon steel (cost-effective, strong cutting power) and stainless steel (wear-resistant, rust-proof, heat-resistant), meeting the grinding needs of different workpieces.
- Reinforced Structure: Single-row tightly knotted wire design enhances safety, improves resistance to bending, impact, and prevents wire shedding.
- Stable Performance: Strict quality control and dynamic balance testing ensure minimal vibration at high speeds, protecting the angle grinder spindle.
- Wide Size Range: Diameters from 65 mm to 150 mm with multiple international standard thread options for diverse applications and machine compatibility.
- High-Speed Operation: Designed for speeds up to 12,500 RPM for fast and efficient heavy-duty surface cleaning.
Knotted Wire Cup Brush Advantages
- Fast and Precise Cleaning: Sharp knotted wires and optimized wire arrangement ensure quick and accurate removal of surface debris.
- Targeted Surface Protection: Stainless steel brushes prevent carbon steel residue when cleaning stainless steel welds, avoiding pitting and rust.
- Long Service Life: Durable construction reduces replacements and downtime; single-row design balances rigidity and flexibility.
- Safe and Reliable: Complies with international industrial safety standards and undergoes 100% dynamic balance and quality inspection.
Knotted Wire Cup Brush Applications
- Metalworking & Pressure Vessel Fabrication: Stainless steel brushes for weld cleaning on stainless steel tanks and pipelines.
- Construction & Steel Structures: Carbon steel brushes for rust removal and surface preparation on steel pipes and I-beams.
- Shipbuilding & Maintenance: Removal of marine growth, old paint, and heavy rust from ship hulls and decks.
- Aerospace & Automotive Refurbishment: Deburring, decarbonizing, and polishing of metal components.
- Oil & Gas Pipeline Installation: Weld groove cleaning and removal of heavy slag and spatter.
- General Industrial Equipment Maintenance and Routine Repairs.
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: 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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