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Atlas Air Powered Front Mount 5C Dead Length Collet Chucks

No Draw-Tube or Air Feed Tubes Required: for Lathes, Rotary Tables and Grinders: Series ATL206-5C

  • No Hydraulic System Required
  • No Draw Tube or Air Feed Tubes Restricting Spindle Bore
  • No Rear Cylinders and Cylinder Adapters
  • Low Cost
  • Easily Convert any Lathe or Grinder into a Production Machine
  • Ideal for Rotary Table Applications
  • Change from Collet Chuck to Standard Chuck Quick and Easy
  • High Speed 2800 RPM
  • High Accuracy Less Than .001” TIR
  • Repeats on Duplicate Parts Plus Minus .0015”
  • Dead Length Design
  • For Best Accuracy Use High Quality CRAWFORD COLLETS
  • Lever or Foot Pedal Actuated
  • Low Maintenance with Oil Mist Lubrication System
  • High Resistance to Coolant and Chip Penetration
  • Uses 5C Collets, Range 1/64″ (.5mm) to 1-1/8″ (27mm)
  • Available in A, D, L, 4 Degree, Threaded and Straight Recess Mounting


ATL200 MANUAL 2020

Collet ChuckATL206-5CSpecificationsATL206-5C
Collet Chuck Order No. with Mount:
A168mm (6.61")Screw Hole Dia9mm (0.35") x 4
B130mm (5.12")Collet Type5C Collets
Straight Recess Mount
Type A Mount
C26mm (1.02")Max. RPM2800
D4.5mm (0.18")Sleeve Stroke4mm (0.16")
Type D Mount
E100mm (3.94")Air Pressure3-8 kg/cm2 (42-114 psi)
F55mm (2.17")Through Hole Dia26mm (1.06")
Other Mounts
G116mm (4.57")Chuck Weight10kg (22lbs)
H147mm (5.79")Grip Force7,623 lbs @ 100 PSI
Collet Chuck Supplied with:
• 2 Filter Bars
• 2 Air Hoses
• 1 Fixing Bracket for Hoses
• 1 5C Collet Wrench
• 1 Hex Key
• Mounting Bolts
• Users Manual
NOTE: “E” shown is for model ATL206-5C Collet Chuck with no mounting plate.
Add 3/4" to the “E” dimension for mounting plate. This will vary slightly depending on the
mounting required. If an exact “E” dimension is required, consult factory.

OPTIONS: Order No: LEV100 Lever Control Package: (Includes: Lever Control, Line Filter, Lubricator and regulator.)
Order No: FOT200 Foot Pedal Control Package: (Includes: Foot Pedal, Line Filter, Lubricator and regulator.)