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Tool clamp \ Tool chucks ISO 7388-1 SK 40/50
Precision collet ( ISO 7388-1 )

SK Form G 2,5 < – 0,003 ISO
40 AD IK 25000 rpm 7388-1
Application:  The strengthening of the chuck body over the diameter of the clamping nut
For clamping tools with straight shanks without loss of concentricity or clamping creates enormous stability with the optimum interference contour
force up to shank tolerance h10, for economic machining of individual and series  Extremely low system concentricity of < 3 µm with 2 µm collets from Fahrion,
parts with extremely high-precision machining results. Ideal for HPC and HSC HP/HPD 23323, unsealed and sealed collets up to 80 bar for IC (without
metal cutting. sealing disc)
Execution:  Completely surrounded in the chuck cone for optimum stability and even distri-
bution of the clamping forces
 30° trapezoidal thread with polished, extra-long double guide with special easy  Retention forces are doubled compared to conventional collets
glide coating for lower friction
 Clamping forces are evenly distributed across the entire cylindrical shell Delivery:
surface and perfect surfaces are achieved through the optimally absorbed Tool chuck including clamping nut. Please order spanner separately. A torque
radial forces wrench is recommended
 Precise centring when tightening the clamping nut
Notes:
Advantage: The previous standard DIN 69871-1 was replaced by ISO 7388-1.
 Resistant to fl uctuations in temperature and fully suitable for drying processes
and hard milling up to 200 °C
E
A

D

Tool holding Size Collet type Min./max. D (mm) A (mm) E (mm) Max. tightening 23361...
device clamping range torque (Nm) Ident. No.
SK 40 HPE 16 ER 16 (426 E) 1-10 mm 30 70 110 55 001
SK 40 HPE 16 ER 16 (426 E) 1-10 mm 30 100 140 55 002
SK 40 HPE 16 ER 16 (426 E) 1-10 mm 30 160 200 55 003
SK 40 HPE 16 ER 16 (426 E) 1-10 mm 30 200 240 55 004 ○
SK 40 HPE 25 ER 25 (430 E) 2-16 mm 40 70 110 85 005
SK 40 HPE 25 ER 25 (430 E) 2-16 mm 40 100 113 85 006
SK 40 HPE 25 ER 25 (430 E) 2-16 mm 40 160 165 85 007 ○
SK 40 HPE 25 ER 25 (430 E) 2-16 mm 40 200 - 85 008 ○
SK 40 HPE 32 ER 32 (470 E) 2-20 mm 50 70 111 140 009
SK 40 HPE 32 ER 32 (470 E) 2-20 mm 50 100 114 140 010
SK 40 HPE 32 ER 32 (470 E) 2-20 mm 50 160 135 140 011
Prod. Gr. 263
Compatible pull studs no. 23690 130-150 page 766
Compatible ER-type collet chucks no. 23323 501-615, no. 23323 617-658 and no. 23322 501-636

Source: Hahn+Kolb Werkzeuge GmbH
Technical data subject to change. www.iconridge.com
Availability subject to country specific rules and regulations. 567

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