Motor Carbon Brush Disclaimer Notice

1. Safety Warning: Cut off power supply before replacing carbon brushes to avoid electric shock risk.
2. Disclaimer: This universal motor carbon brush is aftermarket repair spare part, not original matching component of any power tool brand.

Core Product Features

• Standard unified size: 4.8mm × 4.8mm × 10mm, universal replacement specification for mini grinders
• High-purity conductive carbon raw material, stable current output, long service life
• Integrated copper compression spring, automatic tight fit with motor commutator
• Low friction operation, effectively reduce high-speed motor running noise
• Simple disassembly & installation, no special maintenance tools required
• Wide compatibility with most mainstream handheld miniature rotary carving grinders
• 2pcs per set, complete one-time motor repair matching accessories

Full Technical Specifications

Package Included

• 2 × Mini Grinder Motor Carbon Brushes With Copper Spring
• Multilingual Replacement Operation Instruction Manual

Wide Application Scenarios

• Household miniature carving grinder motor maintenance replacement
• DIY handmade craft electric grinding machine repair parts
• Jewelry engraving small power tool consumables
• Hardware mold mini polishing machine maintenance accessories

Safe Replacement Operation Steps

1. Completely disconnect power before maintenance work.
2. Unscrew carbon brush side cover with matching small wrench.
3. Take out worn old carbon brush and install new spring carbon brush.
4. Tighten the side cover fully to prevent loose contact during rotation.

Frequently Asked Questions

Q1 What is the dimension of this replacement carbon brush?

A1 Standard size 4.8×4.8×10mm, universal for most mini rotary grinders.

Q2 Does each carbon brush come with a compression spring?

A1 Yes, every carbon brush is equipped with an integrated copper spring.

Q3 What’s the benefit of high-purity carbon material?

A1 Stable electric conduction, less wear and quieter motor operation.

Q4 Is this carbon brush original factory matching component?

A1 This universal motor repair spare part, not original spare part of any power tool brand.

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