3" 3 jaw Self Centering Scroll Lathe Chucks Solid Jaws

SKU 202-5408

3" 3 jaw Self Centering Scroll Lathe Chucks Solid Jaws

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Regular Price: $82.95

Online Price Only $75.95

SKU 202-5408
Lathe Chuck Category Self Centering Scroll Chucks
chuck diameter 3
thru hole size 0.63
mounting plain back
Bolt Circle Diameter 2.598
chuck thickness 1.969
TIR (inch) 0.003
reversible jaw no
Number of Jaws 3
Maximum Speed RPM 4000
Maximum Input Torque Nm 40
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

  • Internal Jaw:
    • Clamping Range A-A1: 0.079-0.866"
    • Jamming Range B-B1: 0.984-2.756"
  • External Jaw
    • Clamping Range C-C1: 0.866-2.480"

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)
 33.149
2.165
2.598
0.630
2.6181.969
-
0.157
3M-6

 

What's Included

  • 2 set of hard solid 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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