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⚡ Power through rust and paint like a pro — DEWALT’s knotted cup brush means business!
The DEWALT DW4910 is a 3-inch knotted cup brush made from carbon steel, designed for heavy material removal such as rust, paint, and weld scale. Featuring a 5/8-11 UNC thread, it fits most angle grinders and includes an internal holding plate for balanced, smooth performance. Built to professional standards with 100% wire inspection, it offers durability and safety for demanding metal prep tasks.











































| ASIN | B00004RHAL |
| Best Sellers Rank | 91,844 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 61 in Cup Brushes 49,510 in Hand Tools (DIY & Tools) |
| Brand | DEWALT |
| Bristle Type | Knotted |
| Bristle type | Knotted |
| Colour | Metal |
| Compatible Material | Stainless Steel |
| Customer Reviews | 4.7 out of 5 stars 2,680 Reviews |
| Global Trade Identification Number | 00028874049109 |
| Grit Material Type | Carbon Steel |
| Grit Type | Coarse |
| Grit material | Carbon Steel |
| Included Components | DW4910 - 3 in. x 5/8 "-11 Knotted Cup Brush Carbon Steel .020" |
| Item Diameter | 3 Inches |
| Item Dimensions | 7.6 x 1.6 x 0.3 centimetres |
| Item Dimensions L x W | 7.6L x 7.6W centimetres |
| Item Display Dimensions | 10.7 x 9.9 x 4.3 centimetres |
| Item Type Name | Dewalt - DW4910 |
| Item Weight | 0.5 Pounds |
| Manufacturer | DeWalt |
| Manufacturer Part Number | Dewalt - DW4910 |
| Material | Carbon Steel |
| Model Number | DW4910 |
| Number of Items | 1 |
| Number of Pieces | 1 |
| Product Warranty | 1 year full warranty. |
| Product dimensions | 7.6L x 7.6W centimetres |
| Recommended Uses For Product | Grinding, Paint Removal, Rust Removal |
| Thread Type | Unc |
| UPC | 028874049109 |
| Unit Count | 1.0 count |
M**H
WIRE BRUSH
Great fast service quality and value. Highly recomend.
S**M
Dewalt stand out again!
* Excellent for Heavy-Duty Surface Prep This cup brush removes rust, old paint, and weld scale quickly and efficiently. The knotted carbon steel wire is tough and long-lasting, and it felt balanced on my angle grinder with minimal vibration. Highly recommended for metalworking and fabrication jobs! * Great Value & Quality Bought this to clean up some steel beams before painting — glad I did. It’s clearly higher quality than generic brushes. The internal holding plate keeps it steady even at high speeds, and the wire quality feels very solid. * Smooth Performance, Easy to Use Installation was simple (fits standard 5/8-11 grinders) and it worked smoothly even on tough rust spots. I paired this with proper PPE and it made quick work of cleaning metal surfaces. A good accessory to have in your tool kit. * Professional-Grade Accessory I use this cup brush for prep work before welding and painting — it’s aggressive enough to remove scale but sturdy enough to last through multiple projects. DeWalt’s build quality shows. * Solid for the Price Great value considering how long this brush lasts compared to less expensive brands. Just be sure to use with safety gear — it’s aggressive! Final take: 👍 Fits most angle grinders with a 5/8-11 arbor bolt. 👍 Ideal for rust, weld scale, and paint removal on ferrous metals. ⚠️ Wear eye and hand protection — knotted wire brushes can shed small pieces if not handled safely. ⚠️ Not designed for stainless steel or very thin/delicate surfaces.
A**R
Excellent item. Use the adapter below for AUS grinders
Very well made item. Use the adapter in the link below to use with AUS de-walt grinders. https://amzn.asia/d/7eOI8XO Eyech 2Pcs M14 to 5/8"-11 Angle Grinder Arbor Adapter, M14 Female to 5/8"-11 Male Angle Grinder Connecting Attachment Thread Adapter Converter for Connection Angle Grinder Accessories Tool
R**.
Gran durabilidad, construido perfectamente.
Excelente calidad, el encastre es de rosca para esmeril angular de 5/8 lo más común en México, limpie óxido profundo de toda una puerta y parece que es eterno pues no se desgasto ni un 10%.
D**S
Dewalt wire cup brush
Good quality item, unfortunately description was inadequate and doesn't mention thread size, so on arrival it wasn't compatible and I had to return it.
M**E
Bon achat !
Très efficace pour enlever la rouille !
Trustpilot
2 months ago
1 month ago