Description
Overview:
This Genuine Makita Brush Holder Unit (MPN 638655-7) is a replacement assembly for Makita rotary hammer drills, including the HR2600 and HR2601. It secures the pair of carbon brushes around the commutator, maintaining consistent electrical contact for smooth, reliable motor operation. The unit features a robust moulded plastic housing in black with metal terminals and spring seats to keep brush pressure stable. Built for the demands of SDS-Plus hammer drilling, it helps reduce arcing, heat build-up, and premature wear of brushes and the commutator. Suitable for both trade and DIY users, it is engineered to the correct specification for the listed models, making it a dependable choice for routine maintenance or repair where electrical contact has become unreliable.
Key Features:
- Genuine Makita part for assured fit and compatibility with the listed models
- One-piece assembly holds both carbon brushes securely and in correct alignment
- Durable, heat-resistant polymer body with metal contacts for dependable conduction
- Stable spring seating helps maintain consistent brush pressure on the commutator
- Aids in reducing arcing, overheating, and intermittent power issues
- Designed for straightforward fitting during routine servicing or repairs
- Supports smooth motor performance and helps extend brush and commutator life
- Ideal for preventative maintenance on frequently used hammer drills
- Built to Makita's quality standards for reliability on site and in the workshop
Typical Applications:
Used when servicing Makita rotary hammer drills to restore reliable electrical contact between brushes and armature. Commonly fitted if the original holder is heat-damaged, brittle, contaminated, or causing excess sparking or power loss. Suitable for routine brush changes and to maintain consistent performance on drills used for drilling and light chiselling in masonry and concrete.
Also known as:
Carbon brush housing, brush carrier, brush cage, brush holder assembly, armature brush block, carbon brush frame, SDS hammer drill brush mount. These terms all refer to the same component that locates and guides the carbon brushes to ensure proper contact with the motor's commutator.
Fits Models:
HR2300, HR2600, HR2601, HR2610, HR2611F, HR2611FT
Alternate Part Numbers:
638655-7, 6386557
