8″ 3 Jaw Reversible Jaw Front Mounting Self Cent Lathe Chucks+TIR Certificate R[

Shars 8″ 3 Jaw Reversible Jaws Front Mounting Self Centering Lathe Chuck + .0039” TIR Certificate NewEach high quality chuck comes with a certification that documents TIR.Product Code 202-6189 Product description Diameter: 8″Mounting: Front Mount & Plain backCenter hole: 2.56″Thickness: 2.95″Bolt Circle Diameter: 7.087″Runout: 0.0039″Max. Input Torque: 250 Nm Product features American StandardSemi-steel chuck body made from high quality cast ironThree pinion design with each pinion ground and hardened to HRC 43Two piece jaw design with a master jaw and a top reversible jaw in American Standard tongue and groove specificationBoth side of jaw teeth and guides are ground and hardened to HRC 58-62Each set of jaws are serialized in their own setA serialized set of jaws are then finished, ground, and lapped on their designated chuck body which will be the same chuck body on the final assembly to achieve a greater accuracyBefore assembling the jaw to its designated chuck body, the jaw’s finish machining are performed on a closed tolerance state of the art CNC machine from Japan Scroll plate’s thread flank are ground on both side to achieve a tighter contact with the master jawEach chuck has gone through rigorous accuracy and repeatability inspection with clamping and jamming multiple random testing rods or rings Accuracy is maintained for the entire clamping range Internal Jaw:Clamping Range A-A1: 0.157-3.346″Jamming Range B-B1:2.559 -7.874″External JawClamping Range C-C1: 2.559-7.874″Product includes 1 set of reversible jaws for inside and outside 6 piece of mounting screws for the lathe chuck back plate (3 screws for front mounting and 3 screws for back mounting) 1 hexagon wrenchSize (inch) Back Plate D (inch) D1 (inch) D2 (inch) D3 (inch) H (inch) H1 (inch) H2 (inch) h (inch) z-d (metric) 8 Plain7.874 6.496 7.087 2.559 4.803 2.953 3.150 0.197 3M-10 Note: 202-6101/202-6202/202-6153/202-6154/202-6155, these back plates only work with the lathe chucks which have 3 mounting screws, go into the chucks from back. If the chucks have 3 mounting holes through the front of the bodies, you need drill and tap 3*M8 thread holes on to the back plates.Relate Product please click picture for relate products’ details. We have other chucks & back plates available at My Ebay Store : If you need to speak to a sales person feel free to call. We are open Monday through friday 8:30 to 5:00 est. Phone: 1-630-443-6822 Email: DISCOUNT_MACHINE@AOL.COM SHIPPING: UPS GroundBuyer pays ACTUAL UPS shipping & insurance, and a $3.00 handling fee for this item to be shipped to all states within the continental United States. Hawaii, Alaska & and other United States Territories will ship via UPS BLUE. Canada will pay actual shipping costs plus duty fees via UPS. We can combine other auctions or store items to save on shipping. You may ask for freight cost before buying tools. Shipment will be made the same day as your payment is received and an UPS tracking number will be email to you. If your order is being shipped to an address outside of the United States, local consumer tax and/or customs duty , brokerage charges may apply and the package’s recipient may need to pay these to clear customs. PAYMENT: We accept VISA, MasterCard and E-Check on PayPal.com Illinois resident adds 8% sales tax. RETURNS: If the item stated as brand new is found defective on arrival or incorrect item was shipped, buyer understands that the product will be repaired or replaced at seller’s discretion, and be given a reasonable amount of time. Buyer is responsible for return shipping costs and insurance. Warranties are offered by the manufacturer and will be honored by the manufacturer. All shipping and handling fees will not be returned in any case. Any questions regarding our tools, feel free to email us at discountmachineshop@gmail.com