Key bar chucks with quick jaw change system
 DURO-T  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
 212121▲  125  3  set  50  34  14
 094000  160  3  set  77.7  45  20
 094001  200  3  set  94.7  60  22
 094002  250  3  set  114  70  26
 094003  315  3  set  130  79  32
 094043  400/500  3  set  167  93  45
▲  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 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
 304864  125  3  set  53  34  14
 241699  160  3  set  84.4  45  20
 249678  200  3  set  98.4  60  22
 249679  250  3  set  118.7  70  26
 249680  315  3  set  136.6  79  32
 249681  400/500  3  set  173.6  93  45




 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
 094012  160  3  set  61.5  32.5  20.4
 094013  200  3  set  70.5  38  24.4
 094014  250  3  set  92  50  34.4
 094015  315  3  set  107  56  35.7
 094045  400/500  3  set  130  72  50.4
 140715  630  3  set  185  102  68
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,
 material 16 MnCr5

 Item no.  Chuck Size  Number of jaws  Contents of delivery  Jaw length mm  Jaw height mm  Jaw width mm
 212123  125  3  set  55  25.5  20.7
 094008  160  3  set  85  36.5  20.3
 094009  200  3  set  105  40  22
 094010  250  3  set  125  50  30.4
 094011  315  3  set  145  50  34.3
 094046  400/500  3  set  180  73  50.5
 140716  630  3  set  260  102  68




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

 Item no.  Chuck Size  Number of jaws  Contents of delivery  Jaw length mm  Jaw height mm  Jaw width mm
 137055  160  3  set  85  42.5  24.4
 137056  200  3  set  105  51  34.3
 137057  250  3  set  125  75  50.5
 137058  315  3  set  145  74  50.5




 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
 212119  125  3  set  47  14
 094004  160  3  set  74  20
 094005  200  3  set  90  22
 094006  250  3  set  110  26
 094007  315  3  set  125  32
 094044  400/500  3  set  160  45
 140194  630  3  set  230  65




 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
 137060  160  66  37.5  24
 137119  400/500  124  62  50
 151289  630  144  78  70




 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
 137061  160  66  37.5  20
 137064  200  81  49  24
 137108  250  90  55  34
 137114  315  100  62  34
 137120  400/500  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
 137062  160  56  37.5  20
 137065  200  66  43  24
 137109  250  72  55  34
 137115  315  86  62  34
 137121  400/500  100  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
 137066  160/200  79  43  34
 137110  250  80  55  50
 137116  315  93  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
 137067  160/200  81  43  34
 137111  250  90  55  50
 137117  315  106  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
 137068  160/200  66  43  34
 137112  250  72  55  50
 137118  315  86  62  50




 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
 141037  160  84.4  43.5  20
 141039  200  98.4  47.5  22
 141041  250  118.7  58.5  26
 141043  315  136.4  63.9  32
 141045  400/500  173.6  73.4  45



 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
 141038  160  84.4  43.5  20
 141040  200  98.4  47.5  22
 141042  250  118.7  58.5  26
 141044  315  136.4  63.9  32
 141046  400  173.6  73.4  45
 141048  500  173.6  73.4  45




 C15
 Interchangeable clamping inserts, 1 piece,
 with claws

 Item no.  Chuck Size
 141049  160/200
 141052  250/315
 141055▲  400/500/630
▲  on request




 C15
 Interchangeable clamping inserts, 1 piece,
 with serrated toothing

 Item no.  Chuck Size
 141050  160/200
 141053  250/315
 141056▲  400/500
▲  on request




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

 Item no.  Chuck Size
 141051  160/200
 141054  250/315
 141057▲  400/500
▲  on request



 C15
 Jaw mounting bolt, piece


 Item no.  Size  Thread  Contents of delivery
 243893  125  M6x10  piece
 200182  160/200  M8x22  piece
 200183  250  M12x30  piece
 202402  315  M12x35  piece
 227618  400/500  M16x40  piece
 249388  630  M20x50  piece





We reserve the right to make technical changes.