Key Features
- Aggressive knotted wire design for heavy-duty cleaning and surface preparation
- High-tensile carbon steel wire ensures long service life and high wear resistance
- Effectively removes rust, mill scale, weld spatter, and old coatings from steel
- Standard 5/8"/-11 threaded arbor fits most right-angle grinders
- 4-inch brushing diameter covers large surface areas quickly
- Rated for high-speed operation up to 12,000 RPM
- Ideal for marine, shipbuilding, and industrial maintenance applications
- Meets IMPA 510766 specifications for ship chandler supply
Technical Specifications
| Specification | Details |
|---|---|
| Product Type | Knot Wire Cup Brush |
| IMPA Code | 510766 |
| Category | IMPA 51 Brushes & Mats |
| Brush Diameter | 4\" (100 mm) |
| Wire Material | High-Tensile Carbon Steel |
| Wire Type | Knotted |
| Mounting Thread | 5/8\"/-11 |
| Max RPM | 12,000 |
| Compatible Tools | Right-Angle Grinders |
| Typical Applications | Rust Removal, Surface Prep, Weld Cleaning |
Frequently Asked Questions
What is a knot wire cup brush used for?
A knot wire cup brush is designed for aggressive surface cleaning and preparation on metal surfaces. It is commonly used to remove rust, mill scale, weld spatter, and old paint from steel, making it essential for marine hull maintenance and shipbuilding.
What is the maximum operating speed?
This 4-inch knot wire cup brush is rated for a maximum speed of 12,000 RPM. Always check the speed rating of your grinder to ensure it does not exceed the brush's limit for safe operation.
Can this brush be used on stainless steel?
This brush is made with carbon steel wire, which can cause contamination on stainless steel surfaces. For stainless steel applications, we recommend using a dedicated stainless-steel wire brush to prevent rust and corrosion from embedded particles.
What angle grinder size does it fit?
The brush features a standard 5/8\"/-11 threaded hub, which fits most right-angle grinders commonly used in marine and industrial environments.
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