Shars 8" 3 Jaw Self Centering Plain Back Lathe Chuck Reversible New R[ For Sale

Shars 8" 3 Jaw Self Centering Plain Back Lathe Chuck Reversible New

Outstanding accuracy, versatility and durability.
Each high quality chuck comes with acertificationthat documentsTIR. Product Code

202-5434

Product description

• Diameter: 8"
• Back mounting: Plain back
• Center hole: 2.56"
• Thickness: 2.95"
• Bolt Circle Diameter: 7.087"
• Runout: 0.0039"
• Max. Input Torque: 250 Nm

Product features

• A matching back plate (sold separately) would need to be machined on the face and hub OD in order to fit this chuck. For detailed information, please look for the Shars back plate machining guide.
• American Standard
• Semi-steel chuck body made from high quality cast iron

• Three pinion design with each pinion ground and hardened to HRC 43
• Two piece jaw design with a master jaw and a top reversible jaw in American Standard tongue and groove specification
• Both side of jaw teeth and guides are ground and hardened to HRC 58-62

• Each set of jaws are serialized in their own set
• A 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 accuracy

• Before 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 jaw
• Each 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 Jaw
  • Clamping Range C-C1: 2.559-7.874"

Plain Back

Size (inch) Back Plate D (inch) D1 (inch) D2 (inch) D3 (inch) H (inch) H1 (inch) H2 (inch) h (inch) z-d (metric) 8 Plain 7.874 6.496 7.087 2.559 4.803 2.953 3.150 0.197 3M-10

• 1 set of reversible jaws for inside and outside
• 3 piece of mounting screws for the lathe chuck back plate
• 1 hexagon wrench

Relate Product

please click picture for relate products' details.

SKU 202-2032 SKU 202-8074 7/16" Self-Ejecting Lathe Chuck Key 12mm Lathe Chuck Key
We haveother chucks & back plates available at My store :

SHIPPING: UPS Ground

Buyer paysACTUAL UPS shipping & insurance, and a $3.00 handling feefor 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 sales 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, Master, Discover, American Express 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 Message Box.