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15" 3 jaw Self Centering Scroll Lathe Chucks D1-11 2 Piece Jaws

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More Information
Mfg SKU #202-6092
Lathe Chuck CategorySelf Centering Scroll Chucks
BrandShars Tool
no. of studs6
stud diameter1-3/16
chuck diameter15
Thru Hole Size5.315
Bolt Circle Diameter9.252
chuck thickness4.96
TIR (inch)0.0047
reversible jawyes
Number of Jaws3
Maximum RPM1000
Maximum Input Torque Nm500



  • Accuracy is maintained for the entire clamping range
  • 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



  • Internal Jaw:
    • Clamping Range A-A1: 0.453-8.268"
    • Jamming Range B-B1: 3.74-15.748"
  • External Jaw
    • Clamping Range C-C1: 4.331-15.748"


What’s Included

  • 1 set of reversible jaws for inside and outside
  • 6 pc of 1-3/16" diameter stud for D1-11
  • 1 hexagon wrench