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Tool chucks
Tool chucks DIN 69871 SK 30/40/50
High-performance HYDRO expansion chuck DIN 69871 ADB ST ISO 7388-1
Short and heavy-duty design
AD/ AF G 2,5 < – 0,003
40 IK 25000 rpm
Application: Advantage:
For high-precision and centric clamping of milling, Sturdy version ideal for HPC+HSC metal cutting
drilling and reaming tools – particularly with milling Damping properties to increase duration of tools
and heavy-duty machining during rough machining. and service life of machine spindle
Execution: Very high torque transfer (Ø 20 = 450 Nm/Ø 32 =
Shank in accordance with DIN 69871 ADB ST 890 Nm) Ident. No. 032
Concentricity tolerance < 0.003 mm All common shanks can be clamped (Ø tolerance
Clamping Technology
h6)
With axial longitudinal adjustment Vibration-damping effect reduces micro-cracks A
Flexible thanks to use of reducing sleeves and improves the workpiece surface
Very high concentricity (< 3 µm)
Coolant pressure up to 80 bar d D
Tool holding device SK 40 SK 40
Baulänge Short-heavy Short-heavy
Clamping Ø d (mm) 20 32 G V
ISO 7388-1 7388-1 l2
Form AD/AF AD/AF
Projection length A (mm) 64.5 81
Outer Ø D (mm) 49 72
Clamping depth l2 (mm) 51 61
Max. adjustment travel V (mm) 10 10
Coolant supply Internal axial/internal radial Internal axial/internal radial
Concentricity tolerance (mm) 0.003 0.003
Suitable for thread G M16 x 1 M16 x 1
Width across flats 8 mm 8 mm
Balancing quality G 2.5 at 25 G 2.5 at 25
032
020
Ident. No.
23338... Unit price, € O. R. (O. R.)
Prod. group 263
HYDRO expansion chuck DIN 69871 AD/B ISO 7388-1
Ultra-short as well as short heavy-duty design
AD/ AF G 2,5 < – 0,003
40 50 IK 25000 rpm
Application: Advantage:
For high precision centric clamping of drilling, ream- Vibration-damping effect reduces micro-cracks
ing and milling tools. and improves workpiece surfaces
Execution: Damping properties to increase service life of tool
and machine spindle
Concentricity tolerance < 0.003 mm High torque transfer (Ø 20 = 400 Nm/Ø 32 = 730
With axial longitudinal adjustment Nm)
Flexible thanks to use of reducing sleeves All common shanks can be clamped (Ø tolerance No. 23338 220
Coolant pressure up to 80 bar h6) A
Tool holding device SK 40 SK 50
Baulänge Ultra short Short-heavy
Clamping Ø d (mm) 20 32 d d3 D
ISO 7388-1 7388-1
Form AD/AF AD/AF
Projection length A (mm) 24.5 81 G V
Outer Ø D (mm) 34 72 l2
Clamping depth l2 (mm) 51 61
Max. adjustment travel V (mm) 10 10
Coolant supply Internal axial/internal radial Internal axial/internal radial
Concentricity tolerance (mm) 0.003 0.003
Suitable for thread G M16 x 1 M16 x 1
Width across flats 8 mm 8 mm
Balancing quality G 2.5 at 25 G 2.5 at 25
222
220
Ident. No.
23338... Unit price, € O. R. (O. R.)
Prod. group 263
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