8" 4 jaw Self Centering Scroll Lathe Chucks Solid Jaws

SKU 202-5474

8" 4 jaw Self Centering Scroll Lathe Chucks Solid Jaws

Availability In stock

Shipping UPS Ground Flat Rate $30

$253.95
SKU 202-5474
Lathe Chuck Category Self Centering Scroll Chucks
chuck diameter 8
thru hole size 2.559
mounting plain back
Bolt Circle Diameter 7.087
chuck thickness 2.952
TIR (inch) 0.0039
jaw movement self centering
Number of Jaws 4
Maximum Speed RPM 2000
Maximum Input Torque Nm 250
Full Details

Product Spotlight


  • Semi-steel chuck body made from high quality cast iron
  • Each pinion is ground and hardened to HRC 43
  • Both sides of the 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 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 jaw
  • Each chuck has gone through rigorous accuracy and repeatability inspection by clamping and jamming multiple random testing rods or rings
  • Accuracy is maintained for the entire clamping range
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"

What's Included

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

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