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Tool chucks
Tool chucks DIN 69871 SK 30/40/50

CNC precision short drill chuck ISO 7388-1
With spur gear

AD G 6,3
40 IK R/ L 25000 rpm
Application: Advantage:
For use on machining centres and CNC milling ƒ Remains securely clamped even with sudden
machines with tool change. For drilling, reaming, spindle stop
countersinking and also light milling and smoothing Clamping Technology
tasks. scope of supply and services:
Including hexagon key
Execution:
ƒ Wear parts hardened and polished Notes:
Requisite pull studs, no. 23690

Tool holding device Min./max. clamping Projection length Outer Ø D (mm) Concentricity toler- Coolant supply Balancing quality 21329...
width A (mm) ance (mm) ID no.
SK 40 0.5-16 mm 90 50 0.020 Internal axial G 6,3 at 25000 540 O. R.
Unit price, €
Prod. group 208
CNC precision short drill chuck ISO 7388-2
for clockwise and anti-clockwise rotation

JD G 40
IK R/L 7000 rpm
40
Application: ƒ Requisite pull studs, no. 23690 C D
For use on machining centres and CNC milling
machines with tool change. For drilling, reaming, Advantage:
countersinking and also light milling and smoothing ƒ Wear parts hardened and polished for long service
tasks. life A
Execution: scope of supply and services:
ƒ Integrated worm gear ensures high retaining torque Including hexagon key
ƒ Remains securely clamped even with sudden
spindle stop
Tool holding device Min./max. clamping Outer Ø D (mm) Projection length Concentricity toler- Coolant supply Balancing quality 21329...
width A (mm) ance (mm) ID no.
BT 40 1-16 mm 50 88 0.03 Internal axial G 40 at 7 710 O. R.
Unit price, €
Prod. group 208

HYDRO expanding extension
Flexible adaptation with cylindrical shank

< – 0,006
G 2,5
IK 25000 rpm
Application: Advantage:
Highly flexible extension for HYDRO expansion and ƒ Outstanding damping properties
collet. For high precision centric clamping of milling, ƒ Wide clamping range thanks to use of intermediate L
drilling and reaming tools. sleeves A
Execution: ƒ High torque transfer (Ø 12 = 140 Nm/Ø 20 = 400
ƒ Concentricity tolerance ≤ 0.006 mm Nm/Ø 32 = 730 Nm) d1 d D
ƒ Fast tool change and also axial length adjustment ƒ Very good accessibility thanks to minimal interfer-
ence contour
ƒ Can be clamped with all standard shank diameters G
(h6) Notes: V l2
ƒ Central coolant supply, ICS Suitable intermediate bushes, no. 23336.
Clamping Ø d (mm) 12 20 20 20
Shank Ø d1 (mm) 20 20 32 32
Outer Ø D (mm) 25 31.5 31.5 31.5
Length L (mm) 150 150 150 200
Projection length A (mm) 100 100 90 90
Clamping depth l2 (mm) 46 51 51 51
Suitable for thread G M10 x 1 M16 x 1 M16 x 1 M16 x 1
Width across flats 5 mm 5 mm 5 mm 5 mm
Max. adjustment travel V (mm) 10 10 10 10
Concentricity tolerance (mm) 0.006 0.006 0.006 0.006
Coolant supply Yes Yes Yes Yes
Balancing quality G 2.5 at 25 G 2.5 at 25 G 2.5 at 25 G 2.5 at 25
113
112
Ident. No.
110
111
23338... Unit price, € O. R. O. R. (O. R.) O. R.
Prod. group 263

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