Universal Mini Drill Bit Collet Chuck – Aluminum & Brass

Upgrade your workshop or hobby bench with the Universal Mini Drill Bit Collet Chuck — a precision-engineered clamping tool built for small electric drills, rotary tools, and DIY micro-drilling projects. Crafted from a durable aluminum alloy + brass construction, this compact chuck delivers a secure, wobble-free grip on drill bits for clean, accurate results every time.

Available in 5 color options, it's as stylish as it is functional — a great addition to any toolbox or a thoughtful gift for the maker in your life.

Key Features

• Universal Compatibility: Fits popular motor types including 385 motor (2.35mm shaft diameter) and 555 motor (3.17mm shaft diameter)
• Premium Materials: Made from aluminum alloy + brass for lasting durability and corrosion resistance
• Compact Mini Design: Ideal for small electric drills, rotary tools, and precision hobby applications
• Secure Bit Clamping: Collet-style chuck ensures a firm, centered grip on drill bits to minimize runout
• Multi-Function Use: Suitable for drilling, engraving, grinding, and other micro-precision tasks
• 5 Color Options: Choose the finish that matches your tool or personal style

Specifications

• Material: Aluminum Alloy + Brass
• Compatible Shaft Diameters: 2.35mm (385 motor), 3.17mm (555 motor)
• Colors Available: 5 options
• Application: Mini electric drills, rotary tools, hobby & craft machines

Perfect For

• Model makers and hobbyists
• PCB drilling and electronics work
• Jewelry making and engraving
• DIY craft and woodworking projects
• Repair technicians working with small components

For guidance on safe power tool use and hand tool best practices, visit the OSHA Hand & Power Tools Safety Resource.

Frequently Asked Questions

Q: What motor types is this Universal Mini Drill Bit Collet Chuck compatible with?

A: This mini collet chuck is designed to fit two common motor shaft sizes: the 385 motor with a 2.35mm shaft diameter, and the 555 motor with a 3.17mm shaft diameter, making it highly versatile for a wide range of small electric drills and rotary tools.

Q: What materials is the Mini Drill Bit Collet Chuck made from?

A: The chuck is constructed from aluminum alloy combined with brass, delivering a lightweight yet sturdy build that resists wear and corrosion during regular use.

Q: What kinds of projects is this mini chuck best suited for?

A: This collet chuck is ideal for precision tasks such as PCB drilling, jewelry engraving, model making, woodworking details, and other DIY or hobby applications where a secure, centered bit grip is essential for accurate results.

Q: How many color options are available?

A: The Universal Mini Drill Bit Collet Chuck is available in 5 color options, so you can choose the one that best suits your tool setup or personal preference.