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SK30 Shrink Fit Chuck Standard

Certificate of Quality

  • Chuck body fine balanced G2.5 at 25.000 rpm or U < 1 gmm
  • All functional surfaces fine machined
  • Taper tolerance AT3
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SK30 Shrink Fit Chuck Standard

Shrink Fit Chuck Standard Version
DIN 69871 · SK30

Certificate of Quality

  • Chuck body fine balanced G2.5 at 25.000 rpm or U < 1 gmm
  • All functional surfaces fine machined
  • Taper tolerance AT3

Shrink Fit Chuck Standard Version
DIN 69871 · SK30

Shrink fit chuck suitable to all kind of shrink fit units.

With steep taper SK30 DIN 69871.

  • Heat resistant hot-working steel
  • Hardened 54 – 2 HRC
  • For HSS and solid carbide tools
  • Shank tolerance h6
  • With threaded holes in order to balance with balancing screws
  • Cooling with Cool Jet for an extra charge
  • Cooling with Cool Flash for an extra charge
  • Included in delivery: Backup screw

Technical data subjects to change without prior notice.

Standard version, similar to DIN 69882-8.

Features Shrink Fit Chuck Standard

The most important features:

  • 1. High runout accuracy (< 0.003 mm)
  • 2. Extreme clamping torque by high pressing in the clamping bore
  • 3. Short chamfer
  • 4. Dynamic form: Reinforced shank at long tool holders. Compromise between slimness (marginal interference contour) and rigidity
  • 5. Cool Jet (on request)
  • 6. Threaded bores for simple and fast balancing with screws
Features Shrink Fit Chuck Standard

The most important features:

  • 1. High runout accuracy (< 0.003 mm)
  • 2. Extreme clamping torque by high pressing in the clamping bore
  • 3. Short chamfer
  • 4. Dynamic form: Reinforced shank at long tool holders. Compromise between slimness (marginal interference contour) and rigidity
  • 5. Cool Jet (on request)
  • 6. Threaded bores for simple and fast balancing with screws
Cool Jet for Shrink Fit Chucks (optional)

Cool Jet (optional)

  • Optimized coolant bores, aimed at center
  • Coolant directly to the cutting edge
  • Extended tool life up to 100%
  • Higher reliability of cutting process
  • No more balls of chips on tool
  • Cool Jet starting from shank diameter 6 mm
Cool Jet for Shrink Fit Chucks (optional)

Cool Jet (optional)

  • Optimized coolant bores, aimed at center
  • Coolant directly to the cutting edge
  • Extended tool life up to 100%
  • Higher reliability of cutting process
  • No more balls of chips on tool
  • Cool Jet starting from shank diameter 6 mm
Cool Flash

Cool Flash (optional)

  • Optimized coolant bores with coolant outlet through slots
  • Coolant directly to the cutting edge
  • Extended tool life up to 100%
  • No more balls of chips on tool
  • Optimized runout accuracy! No additional unbalance! No disturbing clearance!
  • Cool Flash available for shank diameter 6 - 25 mm
Cool Flash

Cool Flash (optional)

  • Optimized coolant bores with coolant outlet through slots
  • Coolant directly to the cutting edge
  • Extended tool life up to 100%
  • No more balls of chips on tool
  • Optimized runout accuracy! No additional unbalance! No disturbing clearance!
  • Cool Flash available for shank diameter 6 - 25 mm

Technical drawing

SK30 Shrink Fit Chuck Standard Technical Drawing

Please select your clamping diameter:

Clamping Ø D1 [mm] 3
Ø D2 [mm] ultra short10
Ø D2 [mm] short10
Ø D3 [mm] ultra short-
Ø D3 [mm] short-
L [mm]09
Order No. Gage length A in mm    
30.445.03 SK30 Shrink Fit Chuck Standard ultra short Pictogram
ultra short, 60.00 mm

Without back-up screw, without threads for balancing screws, with slits along the clamping bore for cooling from outside
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
30.440.03 SK30 Shrink Fit Chuck Standard short Pictogram
short, 80.00 mm

Without back-up screw, without threads for balancing screws, with slits along the clamping bore for cooling from outside
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
Clamping Ø D1 [mm] 4
Ø D2 [mm] ultra short10
Ø D2 [mm] short10
Ø D3 [mm] ultra short-
Ø D3 [mm] short-
L [mm]12
Order No. Gage length A in mm    
30.445.04 SK30 Shrink Fit Chuck Standard ultra short Pictogram
ultra short, 60.00 mm

Without back-up screw, without threads for balancing screws, with slits along the clamping bore for cooling from outside
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
30.440.04 SK30 Shrink Fit Chuck Standard short Pictogram
short, 80.00 mm

Without back-up screw, without threads for balancing screws, with slits along the clamping bore for cooling from outside
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
Clamping Ø D1 [mm] 5
Ø D2 [mm] short10
Ø D3 [mm] short-
L [mm]15
Order No. Gage length A in mm    
30.440.05 SK30 Shrink Fit Chuck Standard short Pictogram
short, 80.00 mm

Without back-up screw, without threads for balancing screws, with slits along the clamping bore for cooling from outside
DXF
Step
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Clamping Ø D1 [mm] 6
Ø D2 [mm] ultra short23
Ø D2 [mm] short21
Ø D3 [mm] ultra short-
Ø D3 [mm] short27
L [mm]36
Order No. Gage length A in mm    
30.445.06 SK30 Shrink Fit Chuck Standard ultra short Pictogram
ultra short, 60.00 mm

Without threads for balancing screws
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
30.440.06 SK30 Shrink Fit Chuck Standard short Pictogram
short, 80.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
Clamping Ø D1 [mm] 8
Ø D2 [mm] ultra short23
Ø D2 [mm] short21
Ø D3 [mm] ultra short-
Ø D3 [mm] short27
L [mm]36
Order No. Gage length A in mm    
30.445.08 SK30 Shrink Fit Chuck Standard ultra short Pictogram
ultra short, 60.00 mm

Without threads for balancing screws
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
30.440.08 SK30 Shrink Fit Chuck Standard short Pictogram
short, 80.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
Clamping Ø D1 [mm] 10
Ø D2 [mm] ultra short27
Ø D2 [mm] short24
Ø D3 [mm] ultra short-
Ø D3 [mm] short32
L [mm]42
Order No. Gage length A in mm    
30.445.10 SK30 Shrink Fit Chuck Standard ultra short Pictogram
ultra short, 60.00 mm

Without threads for balancing screws
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
30.440.10 SK30 Shrink Fit Chuck Standard short Pictogram
short, 80.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
Clamping Ø D1 [mm] 12
Ø D2 [mm] ultra short27
Ø D2 [mm] short24
Ø D3 [mm] ultra short-
Ø D3 [mm] short32
L [mm]47
Order No. Gage length A in mm    
30.445.12 SK30 Shrink Fit Chuck Standard ultra short Pictogram
ultra short, 60.00 mm

Without threads for balancing screws
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
30.440.12 SK30 Shrink Fit Chuck Standard short Pictogram
short, 80.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
Clamping Ø D1 [mm] 16
Ø D2 [mm] ultra short30
Ø D2 [mm] short27
Ø D3 [mm] ultra short-
Ø D3 [mm] short34
L [mm]50
Order No. Gage length A in mm    
30.445.16 SK30 Shrink Fit Chuck Standard ultra short Pictogram
ultra short, 65.00 mm

Without threads for balancing screws
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
30.440.16 SK30 Shrink Fit Chuck Standard short Pictogram
short, 80.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
Clamping Ø D1 [mm] 20
Ø D2 [mm] ultra short35,5
Ø D3 [mm] ultra short40,5
L [mm]52
Order No. Gage length A in mm    
30.445.20 SK30 Shrink Fit Chuck Standard ultra short Pictogram
ultra short, 70.00 mm

Without threads for balancing screws
DXF
Step
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Product wishlist