QCS Workholding LLC
10635 Tower Oaks Blvd.  Ste. E
Houston  TX   77070
Toll Free (888) 869-2424    Local (281) 664-1020   Fax  (281) 664-1026
mailto:workholding@hotmail.com

 

AtlasChucks.com

An Online Pratt Burnerd/Atlas Chuck Distributor

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5C & 16C Dead-Length and Pull Back Power Chucks 
 

A Type Mount

Short overall length excellent for main or sub-spindle applications
Chuck accuracy is 0003 TIR from rear mounting register and working collet taper
High speed up to 6000 rpm 
Body nickel plated for corrosion resistance
Hardened and ground main body and cone
Dead Length feature eliminates part pullback
Straight recess or available with A type mountings. Other mounting types available on request
In second operations work, shoulder components can be stopped against the face of the collet
Both collet types are internally threaded in the rear end to house either a backstop or ejector if required
Drawback Spring Collets achieve the highest possible concentric accuracy
Chuck includes threaded connector to customers specifications

5C & 16C Dead Length
Chuck Type
5C 5C 16C 16C
Spindle Mount
A2-5 A2-6 A2-5 A2-6
A (mm/in)
137/5.393 158/6.220 137/5.393 158/6.220
B (mm/in)
104.8/4.125 133.4/5.252 104.8/4.125 133.4/5.252
C (mm/in)
82.56/3.250 106.38/4.188 82.56/3.250 106.38/4.188
D (mm/in)
Max. M65 Max. M65 Max. M65 Max. M65
E (mm/in)
137/5.393 137/5.393 137/5.393 137/5.393
F (mm/in)
78/3.071 78/3.071 90/3.543 90/3.543
I (mm/in)
68/2.677 68/2.677 68/2.677 68/2.677
L (mm/in)
122/4.803 122/4.803 145/5.708 145/5.708
Maximum Force
1800kaf/3968lbf 1800kaf/3968lbf 2300kaf/5070lbf 2300kaf/5070lbf
Maximum RPM
6000 6000 5000 5000
Chuck Order No.
CPD-5CA5 CPD-5CA6 CPD-16CA5 CPD-16CA6
5C & 16C Pull Back
Chuck Type
5C 5C 5C Threaded 5C Threaded 16C 16C
Spindle Mounting
A2-5 A2-6 A2-5 A2-6 A2-5 A2-6
A (mm/in)
137/5.393 166/6.535 137.5.393 166/6.535 137.5.393 166/6.535
B (mm/in)
104.8/4.125 133.4/5.252 104.8/4.125 133.4/5.252 104.8/4.125 133.4/5.252
C (mm/in)
82.56/3.250 106.38/4.188 82.56/3.250 106.38/4.188 82.56/3.250 106.38/4.188
D (mm/in)
Max. M58 Max. M65 Max. M65 Max. M58 Max. M58 Max. M65
F (mm/in)
70/2.756 70/2.756 55/2.187-10T 55/2.187-10T 76/2.992 80/3.149
I (mm/in)
83/3.267 83/3.267 83/3.267 83/3.267 89/3.504 89/3.504
L (mm/in)
122/4.803 122/4.803 122/4.803 122/4.803 145/5.708 145/5.708
Maximum Force
1800kgf/3968lbf 1800kgf/3968lbf 1800kgf/3968lbf 1800kgf/3968lbf 2300kgf/5070lbf 2300kgf/5070lbf
Maximum RPM
6000 6000 6000 6000 5000 5000
Chuck Order No.
CPB-5CA5 CPB-5CA6 CPB-5CA5-TH CPB-5CA6-TH CPB-16CA5 CPB-16CA6


Call, Fax Or Email For Current Pricing
Toll Free (888) 869-2424   Fax (281) 664-1026
Email  
workholding@hotmail.copm

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