Description: SHARS 4" 3 Jaw Self Centering Lathe Chucks w/ TIR Certificate + M39x4 Back Plate New For back plate you would not need to drill any mounting holes but you will need to turn the shoulder D1 down .040" to match the back of the lathe chuck to make the chuck & back plate more concentric with the lathe spindle and reach chuck's TIREach high quality chuck comes with a certification that documents TIR. Product Code 202-5410 + 202-6214 Product description Lathe Chuck: Diameter: 4"Thickness: 2.16"Center hole: .87"Bolt Circle Diameter: 3.307"Runout: 0.003"Max. Input Torque: 60 Nm Back Plate: Mounting Thread Size T: M39 X 4 TPIShoulder Diameter D1: 2.87"Bolt Circle Diameter D2: 3.307"Hub Length C: 0.945''E: 0.76"Hub Diameter D: 2.68''Flange Thickness B: 0.63''Shoulder boss h: 0.1''No. of Bolt Holes: 6 Normal 0 false false false EN-US ZH-CN X-NONE MicrosoftInternetExplorer4 Product application Fully machined back plate can be directly mounted onto our 4" 3 jaw or 4 jaw self centering and independent lathe chuck (p/n 202-5410, 202-5472, 202-5419). You would not need to drill any mounting holes but you will need to turn the shoulder down .050" to match the back of the lathe chuck to make the chuck & back plate more concentric with the lathe spindle. When turning the shoulder of the backing plate, ONLY TURN THE SHOULDER OF THE BACKING PLATE WHEN ATTACHED TO THE LATHE SPINDLE. If you use a chuck to clamp the backing plate and then turn it, the backing plate will not be true to the lathe spindle and will have more runout than specified when the chuck and back plate are put together. Product featuresSemi-steel chuck body made from high quality cast iron Each pinion is ground and hardened to HRC 43Both sides of the jaw teeth and guides are ground and hardened to HRC 58-62 Each 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 jaws to its designated chuck body, the jaws finish machining is performed on a close tolerance state of the art CNC machine from Japan The scroll plate's thread flank are ground on both sides to achieve tighter contact with the master jawEach chuck has gone through rigorous accuracy and repeatability inspection by clamping and jamming multiple random testing rods or ringsAccuracy is maintained for the entire clamping range Internal Jaw:Clamping Range A-A1: 0.078-1.181" Jamming Range B-B1: 1.181-3.543"External JawClamping Range C-C1: 1.181-3.150" Size (inch) D (inch) D1 (inch) D2 bolt hole circle dia. (inch) D3 (inch) H (inch) H1 (inch) H2 (inch) h (inch) z-d (metric) 43.937 2.835 3.307 0.866 2.933 2.165 - 0.118 3M-8 How to process back plate to guarantee Chuck's T.I.R?Fully machined back plate can be mounted onto 4"3 jaw or 4 jaw self centering and independent lathe chuck (p/n 202-5410, 202-5472,202-5600, 202-5419). As long as back plate Shoulder Diameter 2.87"> chuck's D1, all 4" chuck will fit in. All back plates have 0.04" allowance, please measure the size of Chuck's D1 before process your back plates. The size of back plates's D1 should be a little bit smaller than the size of Chuck's D1. Because the gap between back plate and chuck is smaller, chuck's TIR is better. No gap is the best. D1 need to be processed before back plate can be mounted.You would not need to drill any mounting holes but you will need to turn the shoulder down .040" to match the back of the lathe chuck to make the chuck & back plate more concentric with the lathe spindle. When turning the shoulder of the backing plate, ONLY TURN THE SHOULDER OF THE BACKING PLATE WHEN ATTACHED TO THE LATHE SPINDLE. If you use a chuck to clamp the backing plate and then turn it, the backing plate will not be true to the lathe spindle and will have more runout than specified when the chuck and back plate are put together. For detail information, please see www.shars.com search for 202-6214. Lathe Lathe Chuck DiameterBRANDMODELSWINGSPINDEL THREAD3"4"5"6" ATLAS 6"1/2"-20202-6231 ATLAS101006"1"-10202-6107-6, 202-6107-3 ATLASTH4210"1 1/2"-8202-6230202-6108-6, 202-6108-3202-6192202-9106, 202-6119ATLAS599112"1 1/2"-8202-6230202-6108-6, 202-9108-3202-6192202-6109, 202-6119ATLAS398612"1 1/2"-8202-6230202-6108-6, 202-6108-3202-6192202-6109, 202-6119EMCO MAIERMAXIMAT V105"M39X4MM 202-6214 202-6215, 202-6217GRIZZLYG86887"3" FLANGE GRIZZLYG40009"M39X4MM 202-6214 202-6215, 202-6217HARBOR FREIGHT336847"3" FLANGE HARBOR FREIGHT45861(BV20)9"M39X4MM 202-6214 202-6215, 202-6217HOMIER039117"3" FLANGE JET920N9"1 1/2"-8202-6230202-9108-6, 202-6108-3202-6192202-6109, 202-6119KINGCH-920 AG9"M39X4MM 202-6214 202-6215, 202-6217LOGAN 9"1 1/2"-8202-6230202-9108-6, 202-6108-3202-6192202-6109, 202-6119LOGAN 10"1 1/2"-8202-6230202-9108-6, 202-6108-3202-6192202-6109, 202-6119LOGAN 11"2 1/4"-8 202-6234202-6110, 202-6120LOGAN 12'2 1/4"-8 202-6234202-6110, 202-6120LOGAN6510/656014"2 1/4"-8 202-6234202-6110, 202-6120MICRO-MARK827107"3" FLANGE MICRO-MARK825007"3" FLANGE SEARS101.073016"1"-8 202-6106-6, 202-6106-3 SEARS101.289912"1 1/2"-8202-6230202-6106-6, 202-6106-3202-6192202-6109, 202-6119SHELDONWM-46-P13"2 1/4"-8 202-6234202-6110, 202-6120SHERLINEALL3.5"3/4"-16202-6212 SIDNEY MACHINELOT 16014"2 1/4"-8 202-6234202-6110, 202-6120SOUTH BENDCL187ZB10"2 1/4"-8 202-6234202-6110 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 our eBay Message Box
Price: 115.5 USD
Location: Saint Charles, Illinois
End Time: 2023-12-05T17:17:01.000Z
Shipping Cost: 23 USD
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Item Specifics
Restocking Fee: No
Return shipping will be paid by: Buyer
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money back or replacement (buyer's choice)
Return policy details:
Modified Item: No
MPN: 202-5410+202-6214
Custom Bundle: No
Brand: Shars Tool
Non-Domestic Product: No