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BrandShars Tool


  • 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

  • Internal Jaw:
    • Clamping Range A-A1: 0.984-2.362"
    • Jamming Range B-B1: 2.087-4.646"
  • External Jaw
    • Clamping Range C-C1: 3.622-4.882"

  • Micro dial for easy movement of chuck
  • 360