Multi Chuck Set for Rotary Tools,15 PCS Collet Chuck 4486 Ch-uck Set,Collet Nut Kit,0.8-3.2mm Keyless Drill Rotary Tool Accessories Compatible with 3000 4000 7700 8200(M7)

• Durable Metal Nuts: Our rotary tool accessories set features metal nuts that are robust and stable, solving the common issue of plastic nuts breaking during use. These metal sanding bits nuts offer superior durability and safety, providing a reliable solution for your rotary tool needs.
• Brass Collet: Mini brass drill collet chuck Made of high-quality brass for wear resistance and durability. The brass collet offers a great improvement in precision and holds fine bits more firmly. It not only remains stable at high rotational speeds, but also increases working efficiency.
• Various Sizes: This drill bits set includes 10 different sizes of brass drill chucks (0.5mm, 0.8mm, 1.0mm, 1.2mm, 1.5mm, 1.8mm, 2.0mm, 2.3mm, 3.0mm, 3.2mm) to meet a variety of clamping needs. Whether you're working on fine details or more extensive tasks, you can always have the right size.
• Versatile Chuck: This keyless drill chuck features a reinforced design to ensure greater grip and stability, allowing you to quickly and accurately secure your drill or other tools. The chuck's non-slip textured surface increases friction, making the chuck easier to tighten.
• Wide Application: Our drill chuck set is compatible with dremel rotary tool and rotary tool collets ideal for light-duty accessories including drill bits, sanding drums, polishing wheels, wire & bristle brushes, and cut-off wheels.

Material: Metal Color: Copper Size: 0.5mm, 0.8mm, 1.0mm, 1.2mm, 1.5mm, 1.8mm, 2.0mm, 2.3mm, 3.0mm, 3.2mm Packing List: 15 Pieces Drill Chuck Chuck Set Description Structure: Our chucks rotary tool accessories are made of high-quality brass with a diameter of 4.3mm to hold the drill bits securely. The strong and durable material ensures long-lasting performance. Compared with other products on the market, our chucks are larger and more versatile to accommodate a wider range of applications. The 4486 Multi-Purpose Chuck Set (15 Pieces) is designed with a one-piece structure and built-in springs for greater durability. Chuck set includes 10 sizes of brass drill chucks ranging from 0.5mm to 3.2mm, perfect accessories for various clamping needs. The mini brass drill collet chuck built-in spring ensures better connection and prevents accessories from falling or flying out during use, providing excellent stability. The keyless chuck can accommodate a variety of accessories from 1/32-inch to 1/8-inch shank size. The drill bits chuck set is designed to stabilize and fix micro drills, perfect for mechanical manufacturing, model making, and DIY projects. They provide reliable clamping force and hold the micro drills firmly in place for a more stable drilling experience. This rotary tool collets set fits most rotary tools on the market, making it easy to change accessories and improve efficiency without changing rotary tools. Drill chuck key is suitable for electric grinders, drills, extension flexible shafts, and engraving machines.