800.253.0820
3977 Emerald Dr., Kalamazoo, MI 49001
Air Powered Front Mount B42 Dead Length Collet Chucks
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No Draw-Tube or Air Feed Tubes Required: for Lathes, Rotary Tables and Grinders: Series ATL207-B42

  • 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 2500 RPM
  • High Accuracy Less Than .001” TIR
  • Repeats on Duplicate Parts Plus Minus .00015”
  • 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 B42 Collets, Range 1/16" (1mm) to 1-5/8" (42.5mm)
  • Available in A, D, L, 4 Degree, Threaded and Straight Recess Mounting

See complete product details in our latest catalog >>

Table Test

  Collet Chuck ATL207-B42
Specifications
ATL207-B42
Collet Chuck Order No. with Mount:
ATL207-B42

Straight Recess Mount
Type A Mount
ATL207-B42A5
ATL207-B42A6
ATL207-B42A8

Type D Mount
ATL207-B42D4
ATL207-B42D5
ATL207-B42D6
ATL207-B42D8

Other Mounts
ATL207-B4244-4°-Taper
ATL207-B4245-23⁄16-10
ATL207-B4246-23⁄8-6

Collet Chuck Supplied with:
• 2 Filter Bars
• 2 Air Hoses
• 1 Fixing Bracket for Hoses
• 1 Hex Key
• Mounting Bolts
• Users Manual
A
196mm (7.72")
Screw Hole Dia
11mm (0.43") x 3 - M10 xP1.5 x 3
B
155mm (6.10")
Collet Type
B42 Collets
C
42mm (1.65")
Max. RPM
2500
D
5mm (0.20")
Sleeve Stroke
4mm (0.16")
E
136mm (5.35")
Air Pressure
3-8 kg/cm2 (42-114 psi)
F
75mm (2.95")
Through Hole Dia
42mm (1.65")
G
150mm (5.92")
Chuck Weight
16kg (35.2lbs)
H
172mm (6.77")
Grip Force
13,000 lbs @ 100 PSI
NOTE: “E” shown is for model ATL207-B42 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.)