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Toolholding/Workholding - Collet Chucking Systems - Dunham


Dunham Collet Chucking Systems for CNC Lathes - 16C System 
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Dunham Draw Tube Actuated Collet Chuck Assemblies. These productivity enhancing systems have a built-in concentricity adjustment (under .00050" TIR) and can be mounted on all American standard spindles in less than 20 minutes! Only 1 complete chuck assembly is required because each spindle adaptor of the assembly will accept any of Dunham's 5C, 2J, 3J and 16C collet adaptors. Change-over is accomplished quickly and easily by the removal and replacement of only 6 bolts on the collet adaptor.

Dunham Collet Chucking Systems for CNC Lathes - 2J System 
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Dunham Draw Tube Actuated Collet Chuck Assemblies. These productivity enhancing systems have a built-in concentricity adjustment (under .00050" TIR) and can be mounted on all American standard spindles in less than 20 minutes! Only 1 complete chuck assembly is required because each spindle adaptor of the assembly will accept any of Dunham's 5C, 2J, 3J and 16C collet adaptors. Change-over is accomplished quickly and easily by the removal and replacement of only 6 bolts on the collet adaptor.

Dunham Collet Chucking Systems for CNC Lathes - 3J System 
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Dunham Draw Tube Actuated Collet Chuck Assemblies. These productivity enhancing systems have a built-in concentricity adjustment (under .00050" TIR) and can be mounted on all American standard spindles in less than 20 minutes! Only 1 complete chuck assembly is required because each spindle adaptor of the assembly will accept any of Dunham's 5C, 2J, 3J and 16C collet adaptors. Change-over is accomplished quickly and easily by the removal and replacement of only 6 bolts on the collet adaptor.

Dunham Collet Chucking Systems for CNC Lathes - 5C System 
Click Here for more information or to order
Dunham Draw Tube Actuated Collet Chuck Assemblies. These productivity enhancing systems have a built-in concentricity adjustment (under .00050" TIR) and can be mounted on all American standard spindles in less than 20 minutes! Only 1 complete chuck assembly is required because each spindle adaptor of the assembly will accept any of Dunham's 5C, 2J, 3J and 16C collet adaptors. Change-over is accomplished quickly and easily by the removal and replacement of only 6 bolts on the collet adaptor.

Dunham Precision Cartridge Spindles 
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• High precision construction for turning, polishing, deburring, and finishing use
• 3,500 - 7,000 RPM Range
• Accuracy to .000050" TIR

• Built in air purge keeps coolant, chips, and swarf out of the spindle mechanism using 5 PSI clean shop air
• Easily incorporated into custom machines


• Available with Dunham collet actuators, pulleys and headstocks


Servicing Industry Since 1968

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