K11-160A 6.299 Diameter Three Jaw Chuck Cast Iron Self-centering Lathe Chuck. The mechanical chuck is used for clamping workpieces on machine tool plant, it is using uniform in jaw chuck body on the activity of radial movement, the workpiece clamping and positioning of machine tool accessories, mainly used in small and medium on DIY lathe, can with spindle end connected by flange, high machining accuracy, can be applied to a variety of occasions. Cast iron and plastics. 8.7″8.7″7.9(22cm22cm20cm). Product Features & Advantages. The overall structure of chuck is reasonable, good rigidity, can withstand large torsion force. Chuck bayonet nickel plating, durable. Excellent manufacturing technology, high processing accuracy. Can effectively reduce production costs and maintenance costs. Can be fitted to different lathes by matching flanges. Product Presentation & Details. Orders are processed from Monday-Friday; Not on the weekends & public holidays. We will work with you to get the case resolved in the fastest method. Hope for your understanding. Please contact with us at first for more details. Defective & Damaged Products. If product was received damaged or not as described, please send us some pictures or videos, so we could well understand your problem, then solve them for you ASAP. Besides, it’s much helpful for us to claim with UPS, remind our related department to pay much more attention to packaging later on. If an item is received damaged, customer service must be contacted within 7 days of receiving your item. Payments via eCheck do not clear immediately. Usually you will wait 5-7 days after checkout for it to clear.