3-jaw Chuck Inside+Outside Jaw Base Jaw Base and Top Jaw
Pipe Bar Disc Flange
Length MachiningSide Machining		     Key bar chucks with quick jaw change system
DURO-TA XT - with
removable guideways

APPLICATION
On turning and milling machines.

TYPE
Key bar chuck (DURO-TA) with removable guideways.

TECHNICAL FEATURES
- Weight reduction by up to 75% allows maximum utilization of the machine potential and the clamping of heavier
   workpieces
- Flexible clamping range thanks to elongated guideways for faster conversion between large and small workpieces
- Easy dismounting of the guideways for clamping smaller workpieces
- Minimum interference contour and better workpiece accessibility thanks to compact design and a reduced design
   height by up to 78%
- High stability thanks to direct support of the permanently screwed guideways

CUSTOMER BENEFITS
» Weight reduction by up to 75%
» Maximum flexibility and faster retrofitting
» Innovative design with minimum interference contour and maximum stability




A08
DURO-TA XT key bar chuck with complete base plate
 Item Ino.  Size  Clamping-
 range external
 with extended
 jaws *		  Clamping-
 range external
 with standard
 jaws **		  Interfering
 contour mm		  Jaw
 travel
 mm		  Weight kg  Speed
 max. min-1		  Max.
 Torque
 Nm		  Max. total
 clamping
 force kN		  Weight
 reduction
 compared to
 a standard
 chuck %
 180312  750 (250)  145-715  8-253  804 / 769  8  183  800  190  185  75
 180313  1000 (315)  220-995  12-323  1082 / 1014  10.2  365  570  210  190  68
 180314  1250 (500)  220-1190  40-501  1305  12.5  640  570  320  290  65
Customized adaptations of the base plate for further weight reduction on the machine table on request
* By dismounting of the stripping cap and use of standard reversible jaws
** By shortening of the base jaws. Please consider shorter clamping ranges
Further sizes and mountings available on request



Jaws DURO-TA XT



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 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)
Jaws only usable in basic chuck.



C15
Interchangeable clamping inserts, 1 piece, with serrated toothing
 Item no.  Chuck Size
 141053  
 141056  1250 (500)
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)
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
Additionally or later applied hardened 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
 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



Accessories DURO-TA XT
C15
Special grease F80 for lathe chucks for lubrication and conservation of chucking power
 Item no.  Design  Contents
 308555  Cartridge (DIN 1284)
 Ø 53.5 x 235mm		  0.5 kg
 028975  Tin  1 kg
C15
Torque wrench

 Item no.  Torque
 Nm		  Length
 mm		  Output  Working
 accuracy
 10004116  20-120  435  12.7=1/2“    3%
 10004117  60-320  659  12.7=1/2“    3%


C15
Grease gun DIN1283

 Item no.  Connection  Contents of delivery
 329093  M10x1  150 mm nozzle tube bent,
 needlepoint mouthpiece,
 top mouthpiece, 300 mm
 high pressure hose with
 4 jaw hydraulics cross
 mouthpiece
A08
Safety adapter

 Item no.  Size  Square  Length
 mm		  Mount  
 1129759  750 (250)  14  186  1/2“
 1129449  1000 (315)  17  192  1/2“
 1111583  1250 (500)  19  220  1/2“



We reserve the right to make technical changes.

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