Quality Alloy Steel Collet Chuck Set Designed for precision work in CNC engraving machines and milling machines, this collet chuck set delivers reliable performance, exceptional durability, and precise clamping capability. Key Features and Benefits: Durable Construction: Made from alloy steel, offering strong wear resistance, toughness, and a long service life. Wide Collet Size Range: Compatible with collets sized 1/8, 3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, and 3/4 inch, ensuring flexibility for multiple tool sizes. Precision Clamping: Chuck clamping range of 1 to 20 mm, enabling secure and stable tool holding for accurate machining. Thread Specification: Drawbar end thread of 7/16 inch for secure fit and compatibility with standard machine setups. Accurate: Precision of 0.0005 inch for consistent and repeatable machining results. Applications: 1. CNC Engraving: Achieve fine detail and clean cuts on metals, plastics, or wood when engraving complex patterns or text. 2. Milling Operations: Maintain stability and precision when milling components for mechanical parts, prototypes, or custom pieces. 3. MultiSize Tool Holding: Convenient for shops that routinely switch between different tool shank diameters without needing multiple chuck systems. This collet chuck set is engineered to provide steadfast grip, minimize vibration, and deliver results in professional machining environments. Its combination of durable alloy steel construction, wide compatibility, and accuracy makes it an essential tool for machinists seeking dependable performance.