Flexible shaft adapter, drill extension, keyless chuck for Dremel grinder and rotary tool

Features: 1. STABLE OPERATION: The shaft joint has high concentricity, precise carving is not easy to shake, operation is stable and safety is high. 2. CONVENIENT CONNECTION: Supports convenient connection, insert the flexible shaft into the core of the electric grinder chuck and secure it. 3. Easy grinding head replacement: Easy to disassemble, insert a wrench into the main drive shaft of the jack board to loosen the chuck core and replace the grinding head. 4. FOR MOST ROTARY TOOLS: Suitable for most rotary tools, such as most Dremel power tools, grinders, engraving machines, mini drills, polishing machines, etc. 5. MAXIMUM LOAD SPEED OF 8,000 TO 12,000 RPM: The chuck clamping range is 3 mm, the seal diameter is 6 mm, and the maximum load speed of the flexible shaft is 8,000 to 12,000 RPM. Specifications: Item Type: Flexible Shaft Adapter Attachment Material: Rubber + ABS Purpose: Suitable for most rotary tools, such as most Dremel power tools, grinders, engraving machines, mini drills, polishing machines, etc. Chuck Clamping Range: Approx. 3 mm / 0.12 inches Seal Diameter: Approx. 6 mm / 0.24 inch Flexible Drive Shaft Maximum Load Speed: 8,000 to 12,000 RPM Package List: Package includes 1 x Electric Grinder Flexible Shaft 1 x Wrench Note: Do not bend at acute or near angles. Try to bend it naturally. The maximum radius of the flexible shaft's spring pins should not be less than 3.5 cm. If the radius is less than this, the spring's rebound range will be exceeded. Once the spring is deformed, it will rub severely against the tube wall, causing instability and reducing its lifespan.