Description
Overview:
The Carbon Brush A.S. 7 x 13 x 17 is a genuine Hitachi/Hikoki replacement part designed to maintain reliable electrical contact between the commutator and armature in brushed power tools. Made from high‐quality carbon material, it helps protect the motor, reduce arcing, and keep performance consistent under load. Sized 7 mm x 13 mm x 17 mm (0.28 in x 0.51 in x 0.67 in), this brush assembly is engineered for a precise fit in the DH45MR rotary hammer. As a direct replacement for OEM No. 999071 and a suitable substitute for 961946z, it supports regular maintenance and extends tool service life. Ideal for trades and DIY users who want dependable running, steady power delivery, and reduced downtime from worn brushes.
Key Features:
- Genuine Hitachi/Hikoki part for assured compatibility and quality
- Correct size: 7 mm x 13 mm x 17 mm (0.28 in x 0.51 in x 0.67 in) for a precise fit
- Brush assembly design helps maintain stable electrical contact with the commutator
- Direct replacement for OEM No. 999071; replaces 961946/961946z where specified
- Durable carbon formulation supports long service life and consistent performance
- Helps reduce sparking and commutator wear to protect the motor
- Can restore smooth running and power where worn brushes cause intermittent faults
- Straightforward to fit with basic hand tools, minimising downtime
- Good practice is to replace brushes as a pair to ensure balanced wear and reliability
Typical Applications:
Routine servicing of the Hitachi/Hikoki DH45MR rotary hammer used for drilling and chiselling in concrete, masonry, and stone. Suitable when the tool shows reduced power, excessive sparking, or intermittent operation caused by worn brushes. Helps keep site, workshop, and DIY equipment running reliably during demanding tasks.
Also known as:
Carbon motor brush, commutator brush, armature brush, electric motor brush, power tool brush, replacement carbon brush assembly.
Fits Models:
DH45MR
Alternate Part Numbers:
999071, 961946, 961946z, HKK999071, HKK961946
Product Specifications
| L&S Part No. | HKK999071 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Hitachi/Hikoki |
| OEM No. | 999071 |
| Unit of Sale | 1 |
| Applications | DH45MR |
| Machine Type | Rotary Hammer |
| Fits Brands | Hikoki |
| Fits Models | DH45MR |
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