JT3 Pro Series Keyless Drill Chuck with JT3MT2 Arbor Selftightening design for secure grip The JT3 Pro Series features an advanced selftightening mechanism that firmly secures drill bits without requiring a key. This makes bit changes faster and easier while maintaining consistent holding strength, ensuring precision during speed drilling. steel construction for long service life Manufactured from grade steel with exceptional hardness, this chuck is built to withstand heavyduty industrial use. Its rugged construction resists wear and deformation, delivering reliable performance in CNC lathes, milling machines, and drill presses. precision accuracy for results Offering a clamping range of 1 mm to 16 mm and accuracy within 0.005 mm, this chuck provides powerful gripping force with minimal runout. Precision engineering ensures that your drill bits remain stable, allowing for clean, accurate holes every time. Versatile compatibility for multiple setups The included JT3MT2 straight shank arbor allows easy integration with a wide range of machinery setups. Ideal for professional workshops, manufacturing plants, and committed DIY projects that demand dependable drilling solutions. Applications: 1. Precision hole drilling in metal components for manufacturing or custom fabrication. 2. speed woodworking tasks where bit stability is crucial for accuracy. 3. CNC lathe operations requiring quick bit changes without sacrificing precision. Specifications: Model: JT3 Pro Series Keyless Drill Chuck Clamping range: 1 mm to 16 mm Runout accuracy: ≤ 0.005 mm Material: grade steel Connection: JT3MT2 straight shank arbor included This combination of selftightening convenience, durable construction, and precision performance makes the JT3 Pro Series Keyless Drill Chuck a reliable choice for professionals and serious hobbyists who need accuracy, speed, and strength in every drilling operation.