New 6'' Lathe Chuck K11-160 3-Jaw Self-Centering 160mm CNC

Description? Size: 160 mm (6.3") Outside Diameter: 160 mm (6.3") Bolt Circle Diameter: 142 mm (5.59") Center Thru Hole Diameter: 45 mm (1.77") Chuck Body Thickness: 65 mm (2.56") Internal Jaw Clamping Range (A-A1): 3-55 mm (0.12"-2.17") Internal Jaw Jamming Range (B-B1): 50-160 mm (1.97"-6.3") External Jaw Clamping Range (C-C1): 55-145 mm (2.17"-5.7") Mounting Thread: 3-M8 Accuracy: 0.002" Features? MAIN PARAMETER-3 Jaw self-centering design lathe chuck. Diameter: 160 mm (6.3") QUALITY MATERIAL-Semi-steel body. Cast iron chuck body. All guideways and bearing surfaces are precisely machined 2 SETS OF JAWS-Internal and external jaw sets included. Internal clamping range: 3-55 mm (0.12"-2.17"). Jamming range: 50-160 mm (1.97"-6.3"). External clamping range: 55-145 mm (2.17"-5.7") DURABLE IN USE-Both side of jaw teeth and guides are ground and hardened to HRC 58-62 APPLICABLE RANGE-The chuck is suitable for machine tools and accessories for general lathes, economical CNC lathes, g