2Pcs Mini Rotary Grinder Motor Carbon Brush Replacement Set 6.3×4.8×8.4mm Universal Electric Grinding Machine Repair Spare Parts With Spring
- Stock: In Stock
- Model: ST22005785
- SKU: ST22005785
$8.79
Ex Tax: $8.79
Motor Carbon Brush Disclaimer Notice
1. Safety Warning: Disconnect power before replacing motor carbon brushes to avoid electric shock.
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 overall dimension: 6.3mm × 4.8mm × 8.4mm, unified replacement size for mini grinders
- High-purity conductive carbon material, stable power output, low wear & long service life
- Integrated copper spring design, automatic compression for tight contact with motor commutator
- Universal repair spare part, fits most mainstream handheld miniature electric grinding equipment
- Easy disassembly & installation without special maintenance tools
- Low friction operation, effectively reduce motor noise during high-speed rotation
- 2pcs single set, complete one-time repair matching accessories
Full Technical Specifications
| Single Carbon Brush Size | 6.3mm × 4.8mm × 8.4mm |
| Main Material | High Conductivity Carbon + Copper Spring |
| Package Quantity | 2 Pcs Motor Carbon Brushes |
| Function | Motor Conductive Replacement Repair Parts |
| Applicable Device | Most Standard Mini Handheld Rotary Grinders |
| Advantage | Low Wear, Stable Conductivity, Low Running Noise |
Package Included
- 2 × Mini Grinder Motor Carbon Brushes With Copper Spring
- Multilingual Replacement Operation Manual
Wide Application Scenarios
- Household mini carving grinder motor maintenance replacement
- DIY craft electric grinding machine repair accessories
- Jewelry engraving small power tool spare parts
- Hardware miniature polishing machine repair consumables
Safe Replacement Steps
- Cut off power supply of the grinding machine before maintenance operation.
- Unscrew the carbon brush cover with matched small wrench.
- Take out worn old carbon brush and install new carbon brush with spring.
- Tighten the cover completely to prevent loose contact during rotation.
Frequently Asked Questions
Q1 What is the size of this replacement carbon brush?
A1 Standard size 6.3×4.8×8.4mm, universal for most mini grinders.
Q2 Does each carbon brush come with a compression spring?
A1 Yes, each carbon brush is equipped with an integrated copper spring.
Q3 What’s the advantage of high-purity carbon material?
A1 Stable electric conduction, low friction loss and lower motor operating noise.
Q4 Is this carbon brush original factory matching part?
A1 This universal motor repair spare part, not original component of any power tool brand.
More Details:
