DART Keyed Chuck - 1.5-13mm - 1/2" x 20 UNF
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Product Information
Full details
The DART Keyed Drill Chuck is an essential accessory for DIY enthusiasts and professionals who require a reliable clamping mechanism for drill bits ranging from 1.5mm to 13mm. Its primary benefit is the inclusion of an SDS+ adaptor, which significantly expands the utility of standard drills, though users should note that the keyed mechanism requires manual tightening compared to keyless alternatives.
All features
| Model Part Number | Cu4070 |
|---|---|
| Brand | DART |
Extended Product Information
FAQs
Does this chuck come with the tightening key?
Yes, the keyed chuck is supplied with the necessary key for tightening and loosening bits.
Can I use this with my SDS drill?
Yes, the included SDS+ adaptor allows you to use this chuck on SDS-type rotary hammers.
What is the smallest bit this chuck can hold?
The chuck is designed to securely hold bits as small as 1.5mm.
Is this chuck compatible with impact drivers?
This chuck is intended for drills with a 1/2 inch x 20 UNF spindle and is not designed for the high-impact forces of impact drivers.
How do I clean the internal mechanism?
Use compressed air to blow out dust and debris, followed by a light application of machine oil to the jaws.
Troubleshooting
The chuck feels stiff when opening or closing.
Clear any debris from the jaw area and apply a small amount of lubricant to the internal threads.
The bit slips during drilling.
Ensure the bit is tightened using all three keyholes on the chuck to distribute pressure evenly.
The chuck does not fit the drill spindle.
Verify that your drill spindle uses a standard 1/2 inch x 20 UNF thread.
Pros and Cons
Pros
- Secure bit retention via the keyed tightening mechanism
- Versatile 1.5mm-13mm capacity handles most household and workshop bits
- SDS+ adaptor included for increased tool compatibility
- Rugged build quality for reliable performance
- Standardized 1/2-inch mounting thread
Cons
- Requires a chuck key which can be misplaced
- Slower bit changes compared to keyless chuck systems
- Manual tightening is necessary to ensure full grip
Setup, Compatibility & Care
To install, ensure your drill is unplugged or the battery is removed. Clean the spindle threads before threading the chuck on manually; tighten firmly using the provided key in all three keyholes around the chuck body to ensure even pressure. To maintain the mechanism, keep the internal gears free of metal shavings and dust using compressed air. Periodically apply a light machine oil to the threads and jaw slides to keep movement smooth and prevent rust.