8" 3 jaw Self Centering Scroll Lathe Chucks D1-4 2 Piece Jaws

SKU 202-5439

8" 3 jaw Self Centering Scroll Lathe Chucks D1-4 2 Piece Jaws

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Regular Price: $329.95

Online Price Only $262.50

SKU 202-5439
Lathe Chuck Category Self Centering Scroll Chucks
no. of studs 3
stud diameter 5/8
chuck diameter 8
thru hole size 1.969
mounting D1-4
Bolt Circle Diameter 3.252
chuck thickness 3.386
TIR (inch) 0.0039
reversible jaw yes
Number of Jaws 3
Maximum Speed RPM 2000
Maximum Input Torque Nm 250
Full Details

Product Spotlight

  • 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: 0.157-3.346"
    • Jamming Range B-B1: 2.559-7.874"
  • External Jaw
    • Clamping Range C-C1: 2.559-7.874"

 

"D Type" and Camlock
 
 
 
Size (inch)
Back Plate
D (inch)
D1 (inch)
D2 (inch)
D3 (inch)
H (inch)
H1 (inch)
H2 (inch)
h (inch)
z-d (metric)
 8D1-47.874
2.501
3.252
1.969
4.606
3.386
0.512
0.394
3M-10x1

What's Included

  • 1 set of reversible jaws for inside and outside
  • 3 pc of 5/8" diameter stud for D1-4
  • 1 hexagon wrench

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