Description
Overview:
The Brush Holder Unit for Makita HM1101C and HM1111C hammer drills is a genuine Makita replacement designed to restore reliable motor contact. Built with a tough moulded engineering plastic body and metal terminals, it securely houses the carbon brushes and keeps them correctly aligned against the commutator. This stabilises current flow, supports consistent power delivery, and helps reduce arcing and heat build-up during heavy use. As a direct-fit component (Makita OEM part number 638700-8), it is engineered to the correct dimensions for the host machine, ensuring a tidy installation with no modification. Suitable for workshop servicing and on-site maintenance, it keeps demolition and drilling performance dependable, whether you use an HM1101C or HM1111C for construction or maintenance tasks.
Key Features:
- Genuine Makita part for assured fit and compatibility
- Direct replacement for OEM part number 638700-8
- Designed for HM1101C and HM1111C hammer drills
- Durable housing with metal contacts for steady electrical transfer
- Helps maintain brush alignment and contact pressure
- Supports efficient motor operation under load
- Straightforward to fit, reducing downtime
- Suitable for routine servicing and preventive maintenance
- Helps address symptoms such as intermittent power or excessive sparking
- Reliable choice for trade, hire fleet, and DIY tool maintenance
Typical Applications:
Used during routine servicing or repairs of Makita hammer drills to restore consistent electrical contact between motor and brushes. Ideal when refurbishing tools that see frequent demolition, wall chasing, anchor drilling, or heavy site use. Helps extend motor life and maintain output where reliability matters, including trade sites, workshops, and hire fleets.
Also known as:
Carbon brush holder, brush carrier assembly, motor brush cage, drill brush housing, power tool brush block, brush carrier, brush holder assembly.
Fits Models:
HM1101C, HM1111C
Alternate Part Numbers:
6387008
