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Tool clamp \ Tool chucks ISO 7388-1 SK 40/50

HPH high-performance HYDRO expansion chuck ( ISO 7388-1 )
Short, heavy-duty design

SK SK Form G 2,5 < – 0,003 ISO
40 50 AD/AF IK 25000 rpm 7388-1
Application:  Damping properties to increase duration of tools and service life of machine
For high-precision and centric clamping of milling, drilling and reaming tools – spindle
particularly with milling and heavy-duty machining during rough machining.  Vibration-damping eff ect reduces micro-cracks and improves the workpiece
surface
Execution:  All common shanks can be clamped (Ø tolerance h6)
 axial longitudinal adjustment  Very high torque transfer (Ø 20 = 650 Nm/Ø 32 = 890 Nm)
 reducing sleeves for fl exible applications
 Very high concentricity (< 3 µm) Delivery:
 coolant pressure up to 80 bar Tool holder with matching hex key
 heat-resistant up to 100°C Notes:
Advantage: The previous standard DIN 69871-1 was replaced by ISO 7388-1.
 Sturdy version ideal for HPC+HSC metal cutting
A

d D

G
V l2
Ident. No. 012–021 Ident. No. 032

Tool holding device d (mm) A (mm) D (mm) l2 (mm) max. V (mm) G 23338...
Ident. No.
SK 40 12 50 42 46 10 M8 x 1 012
SK 40 20 64.5 49 51 10 M16 x 1 020
SK 50 20 64.5 49 51 10 M16 x 1 021 ○
SK 50 32 81 72 61 10 M16 x 1 032 ○
Prod. Gr. 263
HYDRO expansion chucks ( ISO 7388-1 )
Ultra-short design and short heavy-duty design

SK Form G 2,5 < – 0,003 ISO
50 AD/AF IK 25000 rpm 7388-1
Application:  Damping properties to increase service life of tool
For high precision centric clamping of drilling, ream- and machine spindle
ing and milling tools.  High torque transfer (Ø 20 = 400 Nm/Ø 32 = 730
Nm)
Execution:  All common shanks can be clamped (Ø tolerance
 Concentricity tolerance < 0.003 mm h6)
 With axial longitudinal adjustment
 Flexible thanks to use of reducing sleeves Delivery: A
 Coolant pressure up to 80 bar Tool holder with matching hex key
 Heat-resistant up to 50°C Notes:
Advantage: The previous standard DIN 69871-1 was replaced by d D
ISO 7388-1.
 Vibration-damping eff ect reduces micro-cracks
and improves workpiece surfaces
G
V l2

Tool holding d (mm) A (mm) d3 (mm) D (mm) l2 (mm) max. V (mm) G 23338...
device Ident. No.
SK 50 32 81 63 72 61 10 M16 x 1 222 ○
Prod. Gr. 263
Compatible pull studs no. 23690 130-150

Source: Hahn+Kolb Werkzeuge GmbH
Technical data subject to change. www.iconridge.com
Availability subject to country specific rules and regulations. 568

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