




LONGGUANG currently has more than 3,000 industrial brush products, covering all industries such as auto parts, mechanical parts, hydraulic parts, etc. Our products are widely used in the polishing, de-rusting, and deburring of metal parts processing; metal sheet, strip cleaning, grinding, descaling; finishing of textile, printing, and dyeing leather products, sanding; dust removal, grinding and coating of paper and artificial boards Glue; cleaning, polishing, deburring of circuit boards; cleaning of glass and LCD substrates; cleaning and descaling of pipes; sealing and dust proofing of furniture, storage, and machinery.
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Product Name:
Steel Wire Cup Brush (Crimped Wire Type)
Product Size:
Customizable according to customer requirements
Refference Drawing:

Standard Series:
| Dia A | Trim l. C | Thread B | Cup D. D | Bundle Count | RPM(max) | Part No. |
| Ф0.3 Copper Plated | ||||||
| 65(2.5") | 20 | M10*1.5 | 53 | 28 | 12500 | WT302065 |
| 75(3") | 22 | M10*1.5 | 63 | 32 | 9000 | WT302275 |
| 100(4") | 25 | M14*2 | 80 | 44 | 8500 | WT3025100 |
| 125(5") | 30 | M14*2 | 102 | 60 | 6500 | WT3030125 |
| 150(6") | 32 | M14*2 | 118 | 72 | 6500 | WT3030150 |
Material Composition:
Filament Material: Standard crimped steel wire (high-carbon steel or stainless steel)
Backing/Cup Material: Steel cup with arbor hole or threaded shank
Product Features:
Dense crimped wire fill – provides flexible yet effective cutting action for surface cleaning and preparation
Excellent surface conformity – flexible wire fill conforms well to irregular surfaces, ensuring consistent contact across complex contours
Versatile cleaning capability – removes light to moderate rust, old paint, and debris from various surfaces
Weld cleaning efficiency – effective for general weld cleaning and surface texturing
Dual material options – available in high-carbon steel (maximum cutting power) or stainless steel (corrosion resistance)
Balanced performance & value – cost-effective solution for workshops and routine maintenance
Non-destructive surface treatment – flexible action reduces risk of workpiece damage compared to knotted types
Applicable Scenarios:
Workshop surface preparation – cleaning metal surfaces before painting, coating, or welding
Fabrication shops – weld cleaning, slag removal, and surface texturing
Automotive repair – rust removal from chassis components, brake parts, and suspension systems
Routine industrial maintenance – general cleaning of machinery, equipment, and metal structures
Metal rust & oxide scale removal – light to moderate rust on steel surfaces
Home appliance metal fittings machining – surface finishing of appliance components
Automotive sheet metal polishing – preparing body panels for refinishing
What Makes Crimped Steel Wire Cup Brushes Different?
Our Steel Wire Cup Brushes are versatile and efficient tools designed for a wide range of surface cleaning and preparation tasks. Unlike knotted types that provide aggressive, rigid action, our crimped wire cup brushes feature a dense fill of standard crimped steel wire (either high-carbon or stainless steel), which provides a flexible yet effective cutting action.
This flexible wire fill conforms well to irregular surfaces, making them ideal for removing light to moderate rust, old paint, and debris, as well as for general weld cleaning and surface texturing. They offer a balanced combination of performance and value, suitable for workshops, fabrication shops, automotive repair, and routine industrial maintenance.
Crimped Wire vs. Knotted Wire Cup Brushes
| Feature | Crimped Wire (This Product) | Knotted Wire Cup Brush |
|---|---|---|
| Wire structure | Crimped, dense fill | Twisted knots, rigid |
| Flexibility | High – conforms to contours | Low – aggressive, rigid |
| Cutting action | Moderate, controlled | Aggressive, heavy-duty |
| Surface conformity | Excellent on irregular surfaces | Limited to flat surfaces |
| Best for | Light to moderate cleaning, weld cleaning | Heavy rust removal, scale elimination |
| Risk of surface damage | Low | Moderate to high |
| Ideal applications | Workshops, automotive, maintenance | Shipyards, heavy equipment, foundries |
Material Options: High-Carbon vs. Stainless Steel
| Wire Material | Best For |
|---|---|
| High-carbon steel | Maximum cutting power on iron and steel; general industrial cleaning |
| Stainless steel | Corrosion-resistant applications; cleaning aluminum, stainless piping, and food-grade equipment |
Key Applications in Detail
Workshop Surface Preparation
Before painting, coating, or welding, metal surfaces must be clean and free of contaminants. Our crimped steel wire cup brushes remove rust, old paint, and debris without aggressive gouging, preparing surfaces for optimal adhesion.
Weld Cleaning & Surface Texturing
After welding, slag and oxidation must be removed. The flexible crimped wire conforms to weld beads and adjacent base metal, providing consistent cleaning without undercutting or damaging the workpiece.
Automotive Repair & Maintenance
From cleaning brake components to preparing suspension parts for refinishing, these brushes provide the right balance of cleaning power and surface protection for automotive applications.
General Industrial Maintenance
Routine cleaning of machinery, equipment, and metal structures requires a tool that is effective yet safe for ongoing use. Our crimped wire cup brushes deliver reliable performance at a cost-effective price point.
For More Aggressive Applications
If your application requires heavy-duty rust removal, thick scale elimination, or aggressive weld slag cleaning, consider our Twisted Knot Cup Brush for maximum cutting power.
For flat surface applications, see our Steel Wire Wheel Brush or Twist Knot Wheel Brush.
Related Products You May Need:
For aggressive heavy-duty cleaning, see Twisted Knot Cup Brush
For flat surface applications, explore Steel Wire Wheel Brush
For flexible cup brush options, check Twisted Knot Plate Brush
Browse the full Cup Brush Series
Explore the complete Wheel Brush Series
Usage Tips for Optimal Performance
Match speed to application – operate at recommended RPM for your specific brush diameter
Use light pressure – let the crimped wire tips do the work; excessive pressure reduces brush life
Work at an angle – 15-30° angle provides optimal cutting action and surface contact
Inspect regularly – replace when wire fill is significantly worn or damaged
Customization Available
We offer custom cup diameters, arbor hole sizes, wire thicknesses, and material options (high-carbon or stainless steel) to match your specific surface cleaning requirements. Contact us for technical recommendations.
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