Mini Chuck Collet for Electric Drill – Aluminum & Brass Fixture

Universal Mini Chuck Collet – Precision Drill Bit Fixture for Small Electric Drills

Upgrade your workshop toolkit with this Universal Mini Chuck Collet — a compact, precision-engineered drill bit fixture designed for small electric drills, rotary tools, and hobby motors. Built from durable aluminum alloy and brass, this mini chuck delivers a firm, stable grip on drill bits and shanks, helping you work with greater accuracy on detailed DIY, crafting, and modeling projects.

Available in 5 color options, this versatile collet chuck is compatible with popular motor sizes including 385 motors (2.35 mm shaft diameter) and 555 motors (3.17 mm shaft diameter), making it a go-to accessory for a wide range of handheld rotary and electric drill setups.

Key Features

• Premium Materials: Crafted from aluminum alloy and brass for lasting durability and corrosion resistance.
• Wide Compatibility: Fits 385 motors (2.35 mm shaft) and 555 motors (3.17 mm shaft); ideal for mini drills and rotary tools.
• Secure Bit Grip: Collet-style clamping mechanism holds drill bits firmly to minimize wobble and improve precision.
• Compact Design: Lightweight and small-profile, perfect for tight-space work, model making, PCB drilling, and jewelry crafting.
• 5 Color Choices: Pick the one that suits your style or helps you organize multiple tools in your workspace.
• Easy to Install: Straightforward installation — thread onto your motor shaft for an instant upgrade.

Specifications

• Material: Aluminum Alloy + Brass
• Compatible Motor Types: 385 motor (2.35 mm shaft diameter), 555 motor (3.17 mm shaft diameter)
• Drill Bit Capacity: 0.3 mm – 3.4 mm
• Color Options: 5 available

Perfect For

• DIY hobbyists and model makers
• PCB drilling and electronics prototyping
• Jewelry crafting and engraving
• Woodworking detail work
• Anyone seeking a compact, reliable rotary tool fixture

Whether you're treating yourself or looking for a practical gift for the maker in your life, this mini chuck collet is an easy, affordable upgrade that you'll reach for again and again.

For additional guidance on hand tool safety and best practices, visit the U.S. Consumer Product Safety Commission – Workshop Safety.

Frequently Asked Questions

Q: What motor types is this mini chuck collet compatible with?

A: This universal mini chuck collet is compatible with 385 motors (2.35 mm shaft diameter) and 555 motors (3.17 mm shaft diameter), making it suitable for a wide variety of small electric drills and rotary tools.

Q: What drill bit sizes does this chuck fixture support?

A: The mini chuck collet accommodates drill bits ranging from 0.3 mm to 3.4 mm in diameter, covering most common sizes used in hobby drilling, PCB work, and jewelry crafting.

Q: What materials is this mini chuck fixture made from?

A: It is constructed from aluminum alloy and brass, providing a lightweight yet strong build with good resistance to wear and corrosion for long-term use.

Q: Is the mini chuck collet easy to install?

A: Yes — the collet simply threads onto your motor shaft. No special tools or complex assembly are required, making it quick and convenient to set up.