50-Pc Carbon Brush Kit | 5 Sizes for Drills, Grinders & Sanders
50-Pc Carbon Brush Kit | 5 Sizes for Drills, Grinders & Sanders
50-Piece Carbon Brush Replacement Kit – 5 Sizes for Power Tools & Motors
Keep your power tools running at peak performance with this comprehensive 50-piece carbon brush replacement kit. Designed to fit a wide variety of electric motors, this set includes five different sizes (10 pieces each) so you always have the right brush on hand. Made in Mainland China.
Why Replace Your Carbon Brushes?
Carbon brushes are a critical wear component in electric motors. Over time, worn brushes can cause reduced motor performance, sparking, or smoke. Replacing them promptly extends the life of your tools and keeps them operating safely and efficiently.
Key Features
- 50 brushes in 5 sizes — 10 pieces of each size for maximum versatility
- 5 included sizes: 5×8×15mm, 4×8×12.5mm, 6×7×12mm, 5×8×12mm, 6×9×12mm
- Compatible with hammer drills, circular saws, cut-off saws, angle grinders, sanders, and other power tools
- High-quality carbon material for reliable conductivity and long service life
- Easy to inspect and install — check for burns or cracks on old brushes before replacing
Specifications
| Quantity | 50 pieces (10 pcs × 5 sizes) |
| Sizes Included | 5×8×15mm | 4×8×12.5mm | 6×7×12mm | 5×8×12mm | 6×9×12mm |
| Material | Carbon |
| Origin | Made in Mainland China |
What's in the Box?
50 × Carbon Brushes (assorted sizes as listed above)
Installation Tips
Before fitting new brushes, inspect the motor's commutator and brush holders for burns or cracks. Always ensure the tool is unplugged and fully powered down before beginning any maintenance work.
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Note: Monitor color calibration may cause slight variation from actual product color. Minor measurement deviations (±0.5mm) are normal for hand-measured components.
Learn more: OSHA on personal protective equipment
Frequently Asked Questions
Q: What power tools are these carbon brushes compatible with?
A: This carbon brush replacement kit is compatible with a wide range of power tools including hammer drills, circular saws, cut-off saws, angle grinders, sanders, and other electric motors that use similarly sized carbon brushes. The five included sizes (5×8×15mm, 4×8×12.5mm, 6×7×12mm, 5×8×12mm, 6×9×12mm) cover many common tool models.
Q: How do I know when it's time to replace my carbon brushes?
A: Signs that carbon brushes need replacing include increased sparking at the motor, reduced tool power, intermittent operation, or visible smoke from the motor housing. Regular inspection of brush length is also recommended — replace brushes when they appear significantly worn down from their original size.
Q: How many brushes are included and in what sizes?
A: The kit contains 50 carbon brushes across 5 different sizes, with 10 pieces per size. The sizes are: 5×8×15mm, 4×8×12.5mm, 6×7×12mm, 5×8×12mm, and 6×9×12mm, making this a versatile set for multiple tool types.
Q: Are these carbon brushes safe to install at home?
A: Yes, carbon brush replacement is a standard DIY maintenance task. Always ensure the power tool is completely unplugged and powered off before replacing brushes. Inspect the commutator and brush holder for damage before installing new brushes.