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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2 Jaw High Speed Open Center Power Chucks 
 

2ATL 6" - 12" Chucks

1.5mm x 60 master jaw
Repeatability .0005"
Large thru-hole
Hardened jaw ways and all internal parts
All steel body
High RPM

Model Through Hole (in) Plunger Stroke (in) Jaw Stroke (Dia. in) Max Pull Force (lbf) Max. Gripping Force (lbf) Max. Speed (rpm) Weight (lbs) Moment of Inertia l (kg - m2) Gripping O.D. Range (in)
2ATL6-A5 1.77 0.472 0.2165 4935 12790 6000 33 0.062 .59-5.0
2ATL8-A5 2.07 0.63 0.2913 7830 19970 5000 57 0.19 .79-7.0
2ATL8-A6 2.07 0.63 0.2913 7830 19970 5000 55 0.184 .79-7.0
2ATL10-A6 2.95 0.748 0.3464 9659 24902 4200 90 0.37 .98-8.25
2ATL10-A8 2.95 0.748 0.3464 9650 24902 4200 84 0.34 .98-8.25
2ATL12-A6 3.58 0.905 0.4173 12790 32978 3300 138 0.809 1.18-10.0
2ATL12-A8 3.58 0.905 0.4173 12790 32978 3300 131 0.77 1.18-10.0
2ATL12-A11 3.58 0.905 0.4173 12790 32978 3300 154 0.912 1.18-10.0
2ATL15-A8 4.62 0.905 0.4173 15930 40382 2500 276 2.255 1.96-13.0
2ATL15-A11 4.62 0.905 0.4173 15930 40382 2500 260 2.241 1.96-13.0
2ATL18-A11 4.62 0.905 0.4173 15930 40382 2000 364 3.744 1.96-16.0
2ATL18-A15 4.62 0.905 0.4173 15930 40382 2000 421 5.183 1.96-16
Dimensional Data (in inches)
Dimensional Data (in inch)
Model A B C D E F G H J K L M N 
Max.
2ATL6-A5 6.65 3.58 5.51 0.787 0.59 3.25 4.566 4.125 0.629 3-M10 1.77 0.197 1.26
2ATL8-A5 8.27 4.29 6.69 0.984 0.905 3.25 5.25 4.125 0.512 3-M12 2.05 0.197 1.523
2ATL8-A6 8.27 4.05 6.69 0.984 0.669 4.187 5.905 5.25 0.708 3-M12 2.05 0.197 1.523
2ATL10-A6 10 4.721 8.66 1.181 0.987 4.187 6.75 5.25 0.708 3-M16 2.95 0.197 2.007
2ATL10-A8 10 4.45 8.66 1.181 0.708 5.507 7.48 6.75 0.945 3-M16 2.95 0.197 2.007
2ATL12-A6 11.96 5.08 8.66 1.181 0.987 4.187 6.75 5.25 0.708 3-M16 3.58 0.236 2.413
2ATL12-A8 11.96 4.8 8.66 1.181 0.708 5.5 7.48 6.75 0.984 3-M16 3.58 0.236 2.413
2ATL12-A11 11.96 6.06 8.66 1.181 1.968 7.75 6.75 9.252 1.102 3-M16 3.584 0.236 2.413
2ATL15-A8 15 6.3 11.81 1.692 1.299 5.5 9.252 6.78 0.945 3-M20 4.62 0.236 3.228
2ATL15-A11 15 5.86 11.81 1.692 0.866 7.75 10.236 9.252 1.102 3-M20 4.62 0.236 3.228
2ATL18-A11 17.72 5.86 11.81 1.692 0.866 7.75 10.236 9.252 1.102 3-M20 4.62 0.236 3.228
2ATL18-A15 17.72 7.24 11.81 1.692 2.244 11.25 9.252 13 0.945 3-M20 4.62 0.236 3.228
Dimensional Data (in inch)
Model O 
Max.
O 
Min.
P 
Max.
P 
Min.
Q R S T U V W X Y Ref.
2ATL6-A5 0.895 0.364 1.023 0.551 0.079 0.472 0.748 1.22 M55x2 3-M6 2.362 1.456 2.874 Fig-1
2ATL8-A5 1.171 0.462 1.476 0.846 0.079 0.551 0.807 1.378 M60x2 6-M10 2.598 1.496 3.74 Fig-2
2ATL8-A6 1.171 0.462 1.24 0.61 0.079 0.551 0.807 1.378 M60x2 3-M6 2.598 1.496 3.74 Fig-1
2ATL10-A6 1.328 0.561 1.318 0.571 0.079 0.63 0.984 1.575 M85x2 6-M12 3.7 1.693 4.338 Fig-2
2ATL10-A8 1.328 0.561 1.043 0.295 0.079 0.63 0.984 1.575 M85x2 3-M8 3.7 1.693 4.338 Fig-1
2ATL12-A6 1.801 0.62 1.3 0.394 0.079 0.826 1.102 1.968 M100x2 6-M12 4.252 2.009 5.118 Fig-2
2ATL12-A8 1.801 0.62 1.023 0.118 0.079 0.826 1.102 1.968 M100x2 3-M8 4.252 2.009 5.118 Fig-1
2ATL12-A11 1.801 0.62 2.283 1.378 0.079 0.826 1.102 1.968 M100x2 6-M20 4.252 2.009 5.118 Fig-3
2ATL15-A8 1.801 0.62 1.575 0.669 0.197 ..866 1.693 2.441 M130x2 6-M16 5.472 2.598 6.496 Fig-2
2ATL15-A11 1.801 0.62 1.141 0.236 0.197 0.866 1.693 2.441 M130x2 6-M20 5.472 2.598 6.496 Fig-1
2ATL18-A11 3.139 0.62 1.141 0.236 0.197 0.866 1.693 2.441 M130x2 3-M10 5.472 2.598 6.496 Fig-1
2ATL18-A15 3.139 0.62 2.578 1.614 0.197 0.866 1.693 2.441 M130x2 6-M24 5.472 2.598 6.496 Fig-3


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