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Tool clamp \ Tool chucks ISO 7388-2 BT40/50
HPH high-performance HYDRO expansion chuck ( ISO 7388-2 )
Short, heavy-duty design

BT Form G 2,5 < – 0,003 ISO
40 IK JD/JF 25000 rpm 7388-2
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 tool duration and
and heavy-duty machining during rough machining. service life of machine spindle
Execution:  Vibration-damping eff ect reduces micro-cracks
and improves the workpiece surface
 With axial longitudinal adjustment
 Reducing sleeves for fl exible applications  All common shanks can be clamped (Ø tolerance A
h6)
 Very high concentricity (< 3 µm)  Very high torque transfer (Ø 20 = 650 Nm)
 Coolant pressure up to 80 bar
 Heat-resistant up to 100°C Notes:
The previous standard DIN 69871-1 was replaced by d D
ISO 7388-1.
G
V
l2

Tool holding device d (mm) Projecting length (mm) D (mm) V (mm) G 23733...
Ident. No.
BT 40 20 72.5 49 10 M16 x 1 740
Prod. Gr. 263

Hydro-expansion chuck, type JD/JF ( ISO 7388-2 )
Short, heavy-duty design

BT BT Form G 2,5 < – 0,003 ISO
40 50 IK JD/JF 25000 rpm 7388-2
Application:  Damping properties 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
 Reducing sleeves for fl exible applications 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 device d (mm) Projecting length (mm) D (mm) V (mm) G 23333...
Ident. No.
BT 40 20 72.5 49.5 10 M16 x 1 400 ○
BT 50 32 90 72 10 M16 x 1 500 ○
Prod. Gr. 263

Source: Hahn+Kolb Werkzeuge GmbH
Technical data subject to change. www.iconridge.com
Availability subject to country specific rules and regulations. 575

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