General description The VEVOR 3-Jaw Lathe Chuck is an 8-inch self-centering lathe chuck designed for precision machining. Made from high-strength HT300 material, it offers strong compression resistance and a long service life. This chuck features dual-use jaws for clamping both internal and external components, ensuring ease of use without the need for repeated calibration. Technical specifications Item Model Number: K11-200 Chuck O.D: 8 in / 200 ± 5 mm Clamping Range: 0.16-8 in / 4-200 mm External Jaw Clamping Range: 2.76-8 in / 70-200 mm Fixed Thread: 3-M10 Bore: φ65 mm Surface Treatment: ＜Ra0.8, Oil Coated Main Material: HT300 Net Weight: 27.1 lb / 12.3 kg Product Size: φ200 x 160 mm Jaw Material: 20Cr, ≥53HRC Scroll Material: 40Cr, ≥45HRC Bearing Tolerance: ≤0.05 mm / 0.002 in Compatibility and accessories 1 x T-key 3 x Fixing Screws 1 x Hexagon Wrench 1 x User Manual Usage The VEVOR 3-Jaw Lathe Chuck is suitable for various applications including metal machining, drilling, and