Product Details
What is Brass Cup Brush？
The brass wire end brush is a compact brass cup brush featuring crimped brass wire filaments mounted on a pen-shaped shank. Designed for precision deburring, polishing, and surface cleaning in confined areas, this brass polishing brush delivers gentle yet effective material removal on metals and delicate components.
Why You Need Brass Cup Brush？
✔ Precision Access to Tight Spaces
The pen shape design reaches narrow slots, internal bores, and recessed areas that flat or wide metal cup brush styles cannot access effectively.
✔ Non-Sparking Safe Operation
Brass wire produces no sparks during use, making this brass end brush ideal for polishing near flammable materials, fuel systems, or explosive environments.
✔ Scratch-Free Surface Finishing
Crimped brass filaments polish and clean soft metals like copper, aluminum, and gold without gouging or leaving permanent surface damage behind.
✔ Consistent Crimped Wire Flexibility
The crimped wire design absorbs impact and conforms to irregular surfaces, delivering uniform contact pressure throughout each polishing or cleaning stroke.
✔ Broad Equipment Compatibility
Fits standard die grinders, rotary tools, and drill chucks, allowing quick installation without adapters for most workshop and production line setups.
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Features
Individual wire filaments are precision‑crimped, creating a flexible brushing action that conforms to workpiece contours while reducing deep scratches compared to knotted wire designs.
The slim, lightweight body provides exceptional control and maneuverability in tight workspaces, reducing hand fatigue during extended manual use.
Brass wire withstands operating temperatures up to 180 °C, maintaining its shape and performance even during prolonged polishing or high‑speed applications.
Brass naturally dissipates static buildup while generating no sparks upon impact, offering two critical safety advantages for electronics and volatile environments.
Product Details
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Filament Material: copper/brass/steel/stainless steel. -
Brush Diameter: 5mm to 25mm (standard). -
Brush Length: 15mm to 40mm. -
Operating Speed: Max 15,000 RPM (check manufacturer’s guidelines). -
Packaging: Sold individually or in bulk (custom orders available). -
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