Aideepen Mini Drill Chuck 0.3–4mm Taper Mount Cobalt Steel
Aideepen Mini Drill Chuck 0.3–4mm Taper Mount Cobalt Steel
Aideepen Mini Drill Chuck – Precision 0.3–4mm Clamping Range
Take your micro drilling projects to the next level with the Aideepen Mini Drill Chuck. Built from high-quality cobalt steel alloy, this compact three-jaw chuck delivers firm, precise clamping for drill bits from 0.3 mm to 4 mm (up to 4.2 mm max grip), making it a must-have accessory for hobbyists, makers, and professional machinists alike. Made in Mainland China.
Key Features
- Wide Clamping Range: Accepts drill bits from 0.3 mm to 4 mm (0.01″–0.16″), gripping up to a maximum of 4.2 mm.
- Cobalt Steel Alloy Body: Offers exceptional durability and strong impact resistance for long-lasting performance.
- Three-Jaw Precision Design: Precision-machined jaws ensure secure, centered clamping every time — ideal for metal drilling and fine DIY electrical work.
- Universal Compatibility: Works seamlessly with impact drills and electric drills of varying power levels.
- Taper Mounted: Smooth taper mount system for quick, reliable attachment and easy disassembly.
- Complete Accessory Set: Comes ready to use right out of the box with all necessary tools included.
Specifications
| Clamping Range | 0.3 mm – 4 mm (max grip 4.2 mm) |
| Yellow Shaft Tail Hole Diameter | 3.17 mm |
| Chuck Inner Hole Size | 6.2 mm |
| Outer Diameter | 21 mm |
| Taper Max End Diameter | 6.350 mm |
| Taper Min End Diameter | 5.800 mm |
| Material | Cobalt Steel Alloy |
| Country of Origin | Mainland China |
What's in the Box
- Mini Drill Chuck × 1
- T-Shaped Wrench × 1
- L-Shaped Wrench × 1
- 3.17 mm Connector × 1
Perfect For
Whether you're working on precision metal drilling, PCB drilling, model making, jewelry crafting, or DIY electrical projects, this mini drill chuck provides the accuracy and grip strength you need. Its compact size and taper mount design make it an ideal upgrade for micro motors and rotary tools.
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Frequently Asked Questions
Q: What drill bit sizes does this mini drill chuck accept?
A: The Aideepen mini drill chuck has a clamping range of 0.3 mm to 4 mm (approximately 0.01″ to 0.16″), and can grip a maximum bit diameter of 4.2 mm. It is ideal for micro and precision drilling tasks.
Q: Is this drill chuck compatible with standard electric and impact drills?
A: Yes. The mini drill chuck is designed for universal compatibility with electric drills and impact drills of different power ratings. The included 3.17 mm connector ensures a secure taper-mount connection to your tool's shaft.
Q: What material is the drill chuck made from?
A: The chuck body is constructed from high-quality cobalt steel alloy, which provides strong impact resistance, excellent hardness, and long-term durability for metal drilling and other demanding applications.
Q: Does the kit include the necessary wrenches to operate the chuck?
A: Absolutely. Each kit includes one T-shaped wrench, one L-shaped wrench, and one 3.17 mm connector — everything you need to install and operate the chuck right away.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.