Description
Overview:
The Brush Holder Unit 638500-6 is a genuine Makita component that restores reliable electrical contact in SDS-Plus rotary hammers. Built from heat‐resistant engineering plastic with robust metal contacts and terminals, it securely locates the carbon brushes and maintains correct pressure against the commutator for steady power. This OEM holder is designed for Makita tools such as the HR2230 and HR2460, making it a precise, like‐for‐like replacement when the original holder becomes worn, heat-damaged, or brittle. Keeping the brush holder in good condition helps protect the motor, reduce sparking, and extend overall tool life, especially under heavy site use. It is a straightforward swap during scheduled servicing or fault repair, supporting dependable drilling and chiselling performance in masonry and concrete.
Key Features:
- Genuine Makita OEM part (638500-6) for assured compatibility and quality
- Heat‐resistant housing with durable metal contacts for long service life
- Maintains correct brush alignment and contact pressure for consistent power
- Helps reduce arcing, overheating, and premature brush wear
- Direct replacement for the original holder; no modification to the tool
- Reliable under dust, vibration, and frequent start/stop duty on site
- Supports routine maintenance to keep motors running efficiently
- Compatible with popular Makita SDS‐Plus rotary hammers used across trade and DIY
Typical Applications:
Used during maintenance or repair when experiencing intermittent power, excessive sparking, or visible holder damage. Suitable for construction sites, renovation work, and hire fleets where rotary hammers are exposed to dust and heavy loads. Helps keep drilling and chiselling performance stable in concrete, brick, and block.
Also known as:
Motor brush carrier, brush cage, brush holder assembly, commutator brush holder, SDS‐Plus hammer drill brush carrier, electric motor brush mount. These terms refer to the same assembly that positions and connects the carbon brushes to the armature within the tool's motor housing.
Fits Models:
HR2230, HR2460, HR2470, HR2470T
Alternate Part Numbers:
6385006
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