Black 1/4 Inch 0.36.5mm Hex Shank Keyless Drill Chuck Quick Change Adapter Converter Power Drill Chucks, Drill Attachments Turn your drill into a fast, versatile bit holder and chuck without tools. This keyless, quickchange adapter accepts bits and small drill bits from 0.3 mm to 6.5 mm and installs easily into any tool that accepts a 1/4 inch hex shank. Designed for quick, tool bit changes and reliable holding during common drilling and driving tasks. Key features Color: Black Shank: 1/4 inch hex shank for quick insertion into compatible drill drivers and holders Capacity: 0.3–6.5 mm jaw opening to accept a wide range of bit sizes Type: Keyless drill chuck for handtightening and fast bit changes Function: Quick change adapter / converter to use roundshank bits or small drill bits with hexshank tools Why you need it Faster workflow: Change bits in seconds without a key or extra tools, reducing downtime on jobs that require frequent bit swaps. Greater versatility: Convert a 1/4 inch hexshank driver into a smallcapacity chuck, so you can use twist bits and other roundshank accessories not available in hex form. Secure holding: Keyless jaws clamp a wide range of bit sizes (0.3–6.5 mm) so bits stay in place during typical drilling and driving tasks. Benefits at a glance Quick, tool bit changes speed up assembly, repairs, and multistep jobs. Broad bit compatibility lets you use smaller drill bits and accessories with hexshank drills. Compact, easytoinstall adapter keeps your tool kit lean and flexible. Compatibility and size Designed for insertion into any tool accepting a standard 1/4 inch hex shank. Jaw opening accommodates bits and small drill bits from 0.3 mm up to 6.5 mm. Ideal for drills and drivers with a 1/4 inch quickchange or hex chuck interface. Typical use cases Furniture assembly and : Swap quickly between driver bits and small drill bits when predrilling pilot holes and driving screws. Light workshop and DIY projects: Use one drill to handle both screwdriving and small drilling tasks without changing tools. Electronics and cabinet work: Install smalldiameter bits for precision holes, then switch to screwdriver bits for fastening. How to use 1. Insert the 1/4 inch hex shank into your drill or quickchange holder. 2. Open the keyless jaws by turning the sleeve by hand. 3. Insert the bit or drill bit (0.3–6.5 mm) and handtighten the sleeve until the jaws grip the bit securely. 4. Begin work; change bits as needed by loosening the sleeve and swapping the bit. Care and handling Handtighten the chuck for most tasks; avoid overtightening. Inspect jaws regularly for debris and clean as needed to maintain reliable gripping. Use within the capacity range (0.3–6.5 mm) and with compatible 1/4 inch hexshank tools. This black 1/4 inch 0.3–6.5 mm hex shank keyless drill chuck adapter provides a simple, practical way to expand the functionality of your drill, enabling fast bit changes and versatile use across a variety of light to mediumduty tasks.