Check the listing for details. 8" 3 Jaw Reversible Self Centering Lathe Chucks D1-4 .0039" TIR Certificate XL[. Condition: New. Listed at 239.60 USD. SHARS 8" 3 Jaw Reversible Self Centering Lathe Chucks D1-4 .0039" TIR Runout Certificate NEW Outstanding accuracy, versatility and durability. Each high quality chuck comes with a certification that documents TIR. Product Code 202-5439 Product description Diameter: 8"Back mounting: D1-4Center hole: 1.97"Thickness:3.38"Dia. Of Stud: 5/8"Studs Included: 3Spindle Nose Dia: 2.50"Runout: .0039" Max. Input Torque: 250 Nm Product features American StandardAccuracy is maintained for the entire clamping rangeSemi-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 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" "D Type" and Camlock Size (inch) Back Plate D (inch) D1 (inch) D2 (inch) D3 (inch) H (inch) H1 (inch) H2 (inch) h (inch) z-d (metric) 8D1-47.8742.5013.2521.9694.6063.3860.5120.3943M-10x1Product includes 1 set of reversible jaws for inside and outside 3 pc of 5/8" diameter stud for D1-4 1 hexagon wrenchRelate Productplease click picture for relate products' details. We have other chucks & back plates available at My Ebay Store: 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.