Key bar chucks with quick jaw change system
 DURO-TA XT  Jaws





 A28
 One-piece jaw EB, 3-jaw set, diagonally toothing, hardened

 Item no.  Chuck Size  Number of jaws  Contents of delivery  Jaw length mm  Jaw height mm  Jaw width mm
 094002  750 (250)  3  set  114  70  26
 094003  1000 (315)  3  set  130  79  32
 094043  1250 (500)  3  set  167  93  45
Additionally or later applied, hardened stepped jaws must be ground out in the chuck.
For jaws which are applied later, send in the chuck.
Jaws only usable in basic chuck.




 A28
 Unstepped jaw BL, 3-jaw set, diagonally toothing,
 unstepped, soft, material 16MnCr5

 Item no.  Chuck Size  Number of jaws  Contents of delivery  Jaw length mm  Jaw height mm  Jaw width mm
 249679  750 (250)  3  set  118.7  70  26
 249680  1000 (315)  3  set  136.6  79  32
 249681  1250 (500)  3  set  173.6  93  45
Jaws only usable in basic chuck.




 A28
 Reversible top jaw UB, 3-jaw set, hardened tongue and groove
 for external and internal clamping, material 16MnCr5

 Item no.  Chuck Size  Number of jaws  Contents of delivery  Jaw length mm  Jaw height mm  Jaw width mm
 094014  750 (250)  3  set  92  50  34.4
 094015  1000 (315)  3  set  107  56  35.7
 094045  1250 (500)  3  set  130  72  50.4
Additionally or later applied, hardened stepped jaws must be ground out in the chuck.
For jaws which are applied later, send in the chuck.
Jaws only usable in basic chuck.




 A28
 Base jaw GB, 3-jaw set, diagonally toothing,
 with mounting bolts

 Item no.  Chuck Size  Number of jaws  Contents of delivery  Jaw length mm  Jaw width mm
 094006  750 (250)  3  set  110  26
 094007  1000 (315)  3  set  125  32
 094044  1250 (500)  3  set  160  45
Jaws only usable in basic chuck.




 C21
 Draw-down jaws, for interchangeable clamping inserts,
 diagonally toothing, 1 piece, without clamping inserts

 Item no.  Chuck Size  Jaw length mm  Jaw height mm  Jaw width mm
 141041  750 (250)  118.7  58.5  26
 141043  1000 (315)  136.4  63.9  32
 141045  1250 (500)  173.6  73.4  45
Jaws only usable in basic chuck.



 C21
 Draw-down jaws, additional clamping range, for interchangeable
 clamping inserts, diagonally toothing, 1 piece, without clamping
 inserts

 Item no.  Chuck Size  Jaw length mm  Jaw height mm  Jaw width mm
 141042  750 (250)  118.7  58.5  26
 141044  1000 (315)  136.4  63.9  32
 141048  1250 (500)  173.6  73.4  45
Jaws only usable in basic chuck.




 C15
 Interchangeable clamping inserts, 1 piece,
 with claws

 Item no.  Chuck Size
 141052  750 (250)/1000 (315)
 141055▲  1250 (500)
▲  on request
Jaws only usable in basic chuck.




 C15
 Interchangeable clamping inserts, 1 piece,
 with serrated toothing

 Item no.  Chuck Size
 141053  750 (250)/1000 (315)
 141056▲  1250 (500)
▲  on request
Jaws only usable in basic chuck.




 C15
 Interchangeable clamping inserts, 1 piece,
 with heat treatable surface

 Item no.  Chuck Size
 141054  750 (250)/1000 (315)
 141057▲  1250 (500)
▲  on request
Jaws only usable in basic chuck.




 A28
 Reversible top jaw UB, 3-jaw set, hardened tongue and groove
 for external and internal clamping, material 16MnCr5

 Item no.  Number of jaws  Contents of delivery  Jaw length mm  Jaw width mm
 180410▲  3  set  92  34.4
 180411▲  3  set  107  35.7
 180412▲  3  set  130  50.4
▲  on request
Additionally or later applied, hardened stepped jaws must be ground out in the chuck.
For jaws which are applied later, send in the chuck.




 A28
 Unstepped top jaw AB, 3-jaw set, standard design
 soft, material 16MnCr5

 Item no.  Chuck Size  Number of jaws  Contents of delivery  Jaw length mm  Jaw height mm  Jaw width mm
 094010  750 (250)  3  set  125  50  30.4
 094011  1000 (315)  3  set  145  50  34.3
 094046  1250 (500)  3  set  180  73  50.5




 C21
 Reversible claw-type top jaws, standard design,
 tongue and groove, large clamping range, 1 piece, hardened

 Item no.  Chuck Size  Jaw length mm  Jaw height mm  Jaw width mm
 137119  1250 (500)  124  62  50




 C21
 Reversible claw-type top jaws, standard design,
 tongue and groove, medium clamping range, 1 piece, hardened

 Item no.  Chuck Size  Jaw length mm  Jaw height mm  Jaw width mm
 137109  750 (250)  72  55  34
 137115  1000 (315)  86  62  34
 137121  1250 (500)  100  62  50




 C21
 Reversible claw-type top jaws, standard design,
 tongue and groove, small clamping range, 1 piece, hardened

 Item no.  Chuck Size  Jaw length mm  Jaw height mm  Jaw width mm
 137108  750 (250)  90  55  34
 137114  1000 (315)  100  62  34
 137120  1250 (500)  124  62  50




 C21
 Reversible claw-type top jaws, large design,
 tongue and groove, small clamping range, 1 piece, hardened

 Item no.  Chuck Size  Jaw length mm  Jaw height mm  Jaw width mm
 137110  750 (250)  80  55  50
 137116  1000 (315)  93  62  50




 C21
 Reversible claw-type top jaws, large design,
 tongue and groove, medium clamping range, 1 piece, hardened

 Item no.  Chuck Size  Jaw length mm  Jaw height mm  Jaw width mm
 137112  750 (250)  72  55  50
 137118  1000 (315)  86  62  50




 C21
 Reversible claw-type top jaws, large design,
 tongue and groove, large clamping range, 1 piece, hardened

 Item no.  Chuck Size  Jaw length mm  Jaw height mm  Jaw width mm
 137111  750 (250)  90  55  50
 137117  1000 (315)  106  62  50





We reserve the right to make technical changes.