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Tool chucks
Tool chuck DIN 69893 HSK

CNC precision short drill chuck DIN 69893-1 A
For clockwise and anti-clockwise rotation

Form G 40
A R/ L 7000 rpm
A63 IK
Application: ƒ Precision chuck with high concentricity, concen- D
For use on machining centres and CNC milling tricity tolerance 0.03 mm
machines with tool change. For drilling, reaming,
countersinking, thread cutting and also light milling/ Notes: Clamping Technology
smoothing tasks. Higher rotation speeds on request. A
Execution:
ƒ With spur gear ATORN CNC precision short drill chuck with worm
gear transmission
Tool holding device Min./max. clamping Outer Ø D (mm) Projection length Running direction Coolant supply Balancing quality 23721...
width A (mm) ID no.
Clockwise/anti-
HSK A63 1-16 mm 50 100 clockwise rotation Internal axial G 40 at 7 050 O. R.
Unit price, €
Prod. group 208
CNC precision short drill chuck DIN 69893-1 A
For clockwise and anti-clockwise rotation

Form G 6,3
A R/ L 25000 rpm
A63 IK
Application: Advantage:
For use on machining centres and CNC milling ƒ Wear parts hardened and polished for long service
machines with tool change. For drilling, reaming, life
countersinking and also light milling and smoothing ƒ Remains securely clamped even with sudden
tasks. spindle stop
Execution: scope of supply and services:
ƒ Shank in accordance with DIN 69893, HST type A Including hexagon key
ƒ Integrated spur gear ensures high retaining torque
Tool holding device Min./max. clamping Outer Ø D (mm) Projection length Running direction Coolant supply Balancing quality 21329...
width A (mm) ID no.
Clockwise/anti-
HSK A63 0.5-16 mm 57 109 clockwise rotation Internal axial G 6,3 at 25000 542 O. R.
Unit price, €
Prod. group 208

Pull stud
With hole for IC

IK
Application: ƒ Case-hardened HRC 58 ± 2
Matching pull studs for mounting tools and machine tool spindles. ƒ Pull stud with O-ring (apart from ST 30)
Execution:
ƒ Material 16MnCr5

Ident. No. 130–150 Ident. No. 240–250 Ident. No. 130–150 Ident. No. 240–250
ISO 7388II B
ISO 7388-1 7388-2 B
Suitable for Outer Ø d1 Pin Ø d2 (mm) Suitable for Length L1 (mm) Coolant supply Angle (Degree) Length of pin 23690... 23690...
tool holding (mm) thread d5 L2 (mm) ID no. ID no.
device
SK 30 13 9 M12 44 Yes 15 24 130 O. R. - -
SK 40 19 14 M16 54 Yes 15 26 140 O. R. - -
SK 50 28 21 M24 74 Yes 15 34 150 O. R. - -
SK 40 18.95 12.95 M16 44.5 Yes 45 16.25 - - 240 O. R.
SK 50 29.1 19.6 M24 65.5 Yes 45 25.55 - - 250 O. R.
Unit price, €
Prod. group 263

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