Quick Summary
The Makita B-66793 is a magnetic bit holder for use with Impact Drivers. It is designed for 25 mm and 50 mm Impact Black screw bits, and it has a 1/4" hex shank.
The holder is 60 mm long and has a black coating intended to prevent rusting and corrosion. Pack quantity is 1.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Makita, which helps confirm the exact range and fitting style. |
| Model | B-66793, the specific holder variant. |
| Product type | Magnetic bit holder for use with Impact Drivers. |
| Compatible bits | 25 mm and 50 mm Impact Black screw bits, so the bit length matters. |
| Shank | 1/4" hex shank, which needs to match the driver chuck or holder requirement. |
| Length | 60 mm, useful when checking reach and overall setup. |
| Finish | Black coating intended to prevent rusting and corrosion. |
| Pack quantity | 1 holder. |
What to Compare Before Buying
- Bit length: This holder works with 25 mm and 50 mm Impact Black screw bits. Check that the bits you plan to use match those lengths.
- Shank type: The holder uses a 1/4" hex shank, so confirm your tool accepts that fitting.
- Use with the right tool: It is for Impact Drivers, so make sure that matches your setup.
- Pack quantity: This is a single holder, which matters if you need more than one for a kit or workplace setup.
Before You Decide
Check that your bits are 25 mm or 50 mm Impact Black screw bits and that your tool accepts a 1/4" hex shank. The holder is supplied as a single 60 mm unit for use with Impact Drivers.






