Mini Drill Chuck Collet Set 0.3–3.4mm for Rotary Tools
Mini Drill Chuck Collet Set 0.3–3.4mm for Rotary Tools
Universal Mini Drill Chuck Collet Set – Precision Clamping for Rotary & Micro Drills
Upgrade your rotary tool, electric grinder, or DIY micro drill with this versatile Mini Drill Chuck Collet Set. Crafted from heat-treated brass and aluminum alloy, this set delivers dependable grip and precision for hobby crafting, woodworking, PCB drilling, jewelry making, and general workshop use. Made in Mainland China.
What's Included
- Style 1 – Collet Chuck with Small Wrench: Multi-functional electric grinding copper drill chuck with matching small wrench. Clamping range: 0.3–3.4mm. Available tail aperture sizes: 2.0mm / 2.35mm / 3.0mm / 3.17mm / 5.0mm.
- Style 2 – Brass Collet Set: 10 × drill collet chuck bits + 1 × screw nut. Shank diameter: 4.3mm. Overall length: 16mm. Clamping diameters: 0.5 / 0.8 / 1.0 / 1.2 / 1.5 / 1.8 / 2.0 / 2.4 / 3.0 / 3.2mm.
Compatible Motor Shaft Sizes
| Motor Type | Shaft Diameter |
|---|---|
| 180 Motor | 2.0mm |
| 385 Motor | 2.35mm |
| 555 Motor | 3.17mm |
| 775 Motor | 5.0mm |
Tip: If your motor model is unknown, use a caliper accurate to 0.1mm to measure the shaft diameter precisely before selecting your collet size.
Key Features
- Wide compatibility: Fits most rotary tools, electric grinders, hanging mills, and hose-mounted micro drills with an inner diameter under 4.3mm.
- Durable materials: Made from heat-treated brass with higher hardness for long-lasting, stable clamping performance.
- Versatile clamping range: Accepts drill bits and shafts from 0.3mm up to 3.4mm — ideal for fine detail and precision work.
- Multi-use applications: Perfect for woodworking, hardware projects, hobby crafts, electronics repair, and more.
- Gold finish: Easy to identify and handle; collet bits feature a clean gold tone.
Specifications
- Material: Aluminum Alloy + Brass (heat-treated)
- Clamping Range: 0.3–3.4mm
- Tail Aperture Options: 2.0mm / 2.35mm / 3.0mm / 3.17mm / 5.0mm
- Shank Diameter (Style 2): 4.3mm
- Overall Length (Style 2): 16mm
- Color: Gold
- Origin: Made in Mainland China
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Frequently Asked Questions
Q: What drill bit sizes does this mini chuck collet set accommodate?
A: This universal mini drill chuck collet set accommodates drill bits and motor shafts ranging from 0.3mm to 3.4mm in diameter. The Style 2 brass collet set covers specific sizes: 0.5, 0.8, 1.0, 1.2, 1.5, 1.8, 2.0, 2.4, 3.0, and 3.2mm, giving you comprehensive coverage for most micro drilling tasks.
Q: Which rotary tools is this collet chuck compatible with?
A: This mini drill chuck collet set is compatible with most rotary tools, electric grinders, hanging mills, and micro drill presses that have an inner diameter of less than 4.3mm. It also fits common DC motors including the 180 (2.0mm shaft), 385 (2.35mm shaft), 555 (3.17mm shaft), and 775 (5.0mm shaft) motor types.
Q: How do I know which collet size to choose for my motor?
A: If you know your motor model (180, 385, 555, or 775), simply match it to the corresponding shaft diameter listed in the compatibility chart. If the motor model is unknown or unlisted, use a digital caliper accurate to 0.1mm to measure the motor shaft diameter precisely, then select the matching collet size from the available options.
Q: Is this collet chuck set suitable for woodworking and hobby crafts?
A: Yes! This drill chuck collet set is ideal for woodworking, jewelry making, PCB drilling, electronics repair, hobby crafts, and hardware projects. The heat-treated brass construction ensures durability and a firm grip even during extended use.
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.