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 a single brass cup wire brush; rotary drill / die grinder power tool is not included and sold separately.

Product Overview

This cup-shaped cleaning wire brush adopts soft brass wire with standard 3mm mandrel, perfectly matching all 1/8 inch rotary tool collets. Curved cup design easily reaches narrow gaps and curved metal surfaces. Tightly woven brass wires reduce flying bristles during high-speed rotation. Gentle brass material will not scratch gold, silver and other precious metals, ideal for removing rust, weld residue, oxidation and tarnish on jewelry, locks and alloy workpieces, widely used by jewelers, locksmiths and small repair workshops.

Core Key Advantages

• Soft Brass Bristles Scratch-free polishing for gold, silver precious metal crafts.
• 3mm Standard Mandrel, universal fit for all 1/8" rotary collets.
• Cup Contour Design, deep clean narrow slits & curved surfaces.
• Tight Wire Weaving, minimize bristle splashing at high RPM.
• Multi-purpose: Rust, weld slag & tarnish elimination for metal parts.
• Mini compact size for precision small workpiece finishing.

Full Technical Specifications

Model SKU	MZ001550
Mandrel Diameter	3mm (1/8 Inch)
Brush Shape	Cup Type Brass Wire Wheel
Bristle Material	Soft Brass Wire
Outer Diameter	25mm
Total Length	43mm
Wire Thickness	1–2mm
Compatible Equipment	All 1/8" Collet Rotary Grinders / Die Grinders

Wide Application Scenarios

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

Safety Operation Guidelines

1. Wear safety goggles & cut-resistant gloves before high-speed work.
2. Fully lock the mandrel inside drill collet before startup.
3. Do not apply heavy pressure to avoid brass wire splashing injury.
4. Secure workpiece tightly to prevent sliding during rotation.
5. Keep hands away from spinning brush surface at all times.
6. Clean metal dust after use, store in dry tool bag.
7. Stop using once large amounts of 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 parts.

Q2 What collet size does the mandrel match?

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

Will brass wire scratch silver jewelry?

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

Does the package include rotary drill?

A1 Only single wire brush is provided; power tool sold separately.

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