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Pratt Burnerd/Atlas 16C Rotary Air Powered Front Mount Dead Length Collet Chucks

No Draw-Tube or Air Feed Tubes Required: for Lathes, Rotary Tables and Grinders: Series ATL207-16C

  • 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 16C Collets, Range 1/16″ (1.0mm) to 1-5/8″ (42.5mm)

  • Available in A, D, L, 4 Degree, Threaded and Straight Recess Mounting

PRATATLAS ATL5C AIR ROTATCOLLET CHUCK.png
Collet Chuck
Dim.
ATL207-16C
Specifications
ATL207-16C-1
Collet Chuck Order No. with Mount:
A
203mm (7.99")
Mounting Bolt
10mm (0.394") x 3
ATL207-16C
B
160mm (6.30")
Collet Type
16C Collets
Straight Recess Mount
C
40mm (1.57")
Max. RPM
2800
Type A Mount
ATL207-16CA5
ATL207-16CA6
ATL207-16CA8
D
4.5mm (0.18")
Sleeve Stroke
4mm (0.16")
Type D Mount
E
113mm (4.44")
Air Pressure
3-8 kg/cm2 (42-114 psi)
ATL207-16CD4
ATL207-16CD5
ATL207-16CD6
ATL207-16CD8
F
65mm (2.56")
Through Hole Dia
40mm (1.57")
Other Mounts
G
136mm (5.35")
Chuck Weight
17kg (37lbs)
ATL207-16C44-4 Deg. Taper
ATL207-16C45-2-3/16-10
ATL207-16C46-2-3/8-6
H
176mm (6.93")
Grip Force
8,971 lbs @ 100 PSI

NOTE: “E” shown is for model ATL207-16C 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.)

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