The **Lessmann Knot Cup Brush** is designed for **heavy-duty use**, making it ideal for preparing metal surfaces before painting and removing tough residues such as slag, rust, scale, or concrete waste. Constructed with a **special high-tensile steel wire**, these brushes are built to withstand rigorous applications while maintaining efficiency and durability.
A standout feature is the removable bridle, which exposes an additional 20mm of usable wire, offering extended service life and greater versatility in various abrasive tasks.
Key Features
- **Robust Construction** – Made with high-tensile steel wire for long-lasting performance.
- **Removable Bridle** – Extends usable wire length by 20mm for prolonged use.
- **High-Speed Compatibility** – Rated for up to **8,500 RPM**, ensuring powerful cleaning and surface preparation.
Technical Specifications- **Diameter:** 80mm
- **Bore Size:** M14x2
- **Wire Gauge:** 0.50mm
- **Wire Type:** Steel
- **Max RPM:** 8,500