3mm Mandrel Brass Cup Wire Brush For 1/8 Inch Rotary Collets

3mm Mandrel Brass Cup Wire Brush For 1/8 Inch Rotary Collets

Important Purchase Reminder

This listing only contains one brass cup wire brush; rotary power tool is sold separately and not included.

Product Overview

This cup-shaped cleaning brush adopts soft brass wire bristles with standard 3mm (1/8") mandrel, fits most rotary grinders with 1/8 inch collet. Compact cup design reaches curved surfaces and narrow gaps easily. Tightly arranged brass wires resist shedding under high rotation speed. Gentle brass material will not scratch gold, silver and other precious metals, perfect for removing rust, oxidation and welding burrs on alloy, steel and jewelry workpieces, ideal for jewelers, locksmiths and small workshop finishing.

Core Key Advantages

• Gentle Soft Brass Bristles No scratches on gold, silver & precious metal surfaces.
• Standard 3mm Mandrel, fully compatible with all 1/8" rotary collets.
• Cup Shape Design, easy access curved parts & narrow slits cleaning.
• Tight Wire Construction, minimizes bristle splashing at high RPM.
• Multi-purpose: Rust removal, oxide cleaning & weld deburring tasks.
• Mini compact size for precision jewelry & hardware repair work.

Full Technical Specifications

Model SKU	MZ001538
Mandrel Size	3mm (1/8 Inch)
Brush Type	Cup Shaped Brass Wire Brush
Bristle Material	Soft Brass Wire
Outer Diameter	25mm
Total Length	43mm
Wire Thickness	1–2mm
Applicable Collet	1/8 Inch Standard Rotary Tool Collets

Wide Application Scenarios

• Gold & silver jewelry tarnish polishing & rust cleaning
• Door lock internal rust removal & maintenance
• Firearm small component oxide wiping
• Metal casting weld burr elimination
• Locksmith & jeweler daily repair supplies

Safety Operation Guidelines

1. Wear safety goggles & cut-resistant gloves before high-speed work.
2. Fully lock mandrel in collet before powering on rotary tool.
3. Do not apply heavy pressure to avoid wire splashing injury.
4. Secure workpiece tightly to prevent sliding during rotation.
5. Keep hands far away from spinning brush surface.
6. Clean metal dust after use and store in dry tool bag.
7. Stop using once massive bristles fall off.

Package Contents

• 1 × 3mm Mandrel Brass Cup Wire Brush
• 1 × Multilingual Operation Manual

Frequently Asked Questions

Q1 Is this OEM original brand tool accessory?

A1 This universal aftermarket wire brush fits standard 1/8" collet rotary grinders, not OEM original part.

Q2 What collet size does the mandrel match?

A1 Standard 3mm shank fits all 1/8 inch rotary tool collets.

Will brass wires scratch silver jewelry?

A1 Soft brass bristles deliver gentle cleaning without precious metal scratches.

Does the package include rotary drill?

A1 Only wire brush is included, power tool sold separately.

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