Heavy Duty Shrink Chuck with Safe-Lock, DIN ISO 7388-1, SK50
(formerly DIN 69871)
Quality pass
Chuck fine balanced G2.5 at 25.000 rpm or U < 1 gmm
All functional surfaces fine machined
Taper tolerance AT3
Coolant supply form AD/AF
Shrink fit chuck suitable to all high performance inductive shrink fit units.
For heavy machining applications it is now possible to replace the Weldon tool holders finally. Heavy Duty Chuck is the shrink fit chuck for extreme cases. The contour is optimized for highest rigidity and clamping force.
  • Smooth clamping of the tool shank
  • No deformation at the tool shank after shrink process
  • High runout accuracy: 3 μm
  • Reinforced outer contour
  • With dirt groove in the clamping bore
  • With threaded holes in order to balance with balancing screws
  • Cool Jet bores that can be sealed included
  • To shrink with all HAIMER Power Clamp 20 kW shrink fit units and shrink fit machines with 13 kW HD-Coil
Scope of Delivery
  • With backup screw
HAIMER TIP
For RPM higher 8000 U/min we recommend the optional cooling system Cool Flash. (on request)
Heavy Duty Shrink Chuck with Safe-Lock, DIN ISO 7388-1, SK50
asset-113987-1225
Description Norm: Value: metric/ inch
Clamping diameter D1 1.575 inch
Length A A 6.299 inch
A-length version oversize (160 mm)
Diameter 2 D2 3.228 inch
Diameter 3 D3 3.701 inch
Length L 3.465 inch
Interface SK50
Upgrade with Safe-Lock and Cool Jet
Mass (weight) D7 8,447 kg
Connection code type machine side C11 SKG
Connection code form type machine side C12 17
Connection thread nominal size machine side C13 M24
Connection code unit base machine side C14 9
Connection code style machine side C15 5
Connection size code machine side C2 0500
Connection code type workpiece side C51 ZYL
Connection code form type workpiece side C52 10
Connection code unit base workpiece side C54 1
Connection code style workpiece side C55 5
Hand E1 N
Company identification J3 HAI
interface code to machine side J6 SKG05001795
Weight WT 8,447 kg
Connection code type machine side CCTMS SKG
Connection code unit base workpiece side CCUWS 1
Connection code style workpiece side CCSWS 5
Hand HAND N
Company identification COMPC HAI
Downloads
Register to get access to free downloads of CAD data (DXF and STP) on our product websites.
Heavy Duty Shrink Chuck with Safe-Lock, DIN ISO 7388-1, SK50
(formerly DIN 69871)
Quality pass
Chuck fine balanced G2.5 at 25.000 rpm or U < 1 gmm
All functional surfaces fine machined
Taper tolerance AT3
Coolant supply form AD/AF
Shrink fit chuck suitable to all high performance inductive shrink fit units.
For heavy machining applications it is now possible to replace the Weldon tool holders finally. Heavy Duty Chuck is the shrink fit chuck for extreme cases. The contour is optimized for highest rigidity and clamping force.
  • Smooth clamping of the tool shank
  • No deformation at the tool shank after shrink process
  • High runout accuracy: 3 μm
  • Reinforced outer contour
  • With dirt groove in the clamping bore
  • With threaded holes in order to balance with balancing screws
  • Cool Jet bores that can be sealed included
  • To shrink with all HAIMER Power Clamp 20 kW shrink fit units and shrink fit machines with 13 kW HD-Coil
Scope of Delivery
  • With backup screw
HAIMER TIP
For RPM higher 8000 U/min we recommend the optional cooling system Cool Flash. (on request)
Heavy Duty Shrink Chuck with Safe-Lock, DIN ISO 7388-1, SK50
asset-113987-1225
Description Norm: Value: metric/ inch
Clamping diameter D1 1.575 inch
Length A A 6.299 inch
A-length version oversize (160 mm)
Diameter 2 D2 3.228 inch
Diameter 3 D3 3.701 inch
Length L 3.465 inch
Interface SK50
Upgrade with Safe-Lock and Cool Jet
Mass (weight) D7 8,447 kg
Connection code type machine side C11 SKG
Connection code form type machine side C12 17
Connection thread nominal size machine side C13 M24
Connection code unit base machine side C14 9
Connection code style machine side C15 5
Connection size code machine side C2 0500
Connection code type workpiece side C51 ZYL
Connection code form type workpiece side C52 10
Connection code unit base workpiece side C54 1
Connection code style workpiece side C55 5
Hand E1 N
Company identification J3 HAI
interface code to machine side J6 SKG05001795
Weight WT 8,447 kg
Connection code type machine side CCTMS SKG
Connection code unit base workpiece side CCUWS 1
Connection code style workpiece side CCSWS 5
Hand HAND N
Company identification COMPC HAI
Downloads
Register to get access to free downloads of CAD data (DXF and STP) on our product websites.
All product variants
With the help of our filter you can refine your search by selecting attributes.
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Order No. A-length version Clamping diameter Interface Length A Upgrade Downloads metric/ inch
50.440.16.6 short 0.63 inch SK50 3.15 inch with Cool Jet
Download after registration
50.440.16.67 short 0.63 inch SK50 3.15 inch with Safe-Lock and Cool Jet
Download after registration
50.450.16.6 short 0.63 inch SK50 3.15 inch with Cool Jet
Download after registration
50.450.16.67 short 0.63 inch SK50 3.15 inch with Safe-Lock and Cool Jet
Download after registration
50.450.20.6 short 0.787 inch SK50 3.346 inch with Cool Jet
Download after registration
50.450.20.66 short 0.63 inch SK50 3.15 inch with Cool Jet
50.450.20.67 short 0.787 inch SK50 3.346 inch with Safe-Lock and Cool Jet
Download after registration
50.450.25.6 short 0.984 inch SK50 3.543 inch with Cool Jet
Download after registration
50.450.25.67 short 0.984 inch SK50 3.543 inch with Safe-Lock and Cool Jet
Download after registration
50.450.32.6 short 1.26 inch SK50 3.543 inch with Cool Jet
Download after registration
50.450.32.67 short 1.26 inch SK50 3.543 inch with Safe-Lock and Cool Jet
Download after registration
50.450.40.6 short 1.575 inch SK50 3.937 inch with Cool Jet
Download after registration
50.450.40.67 short 1.575 inch SK50 3.937 inch with Safe-Lock and Cool Jet
Download after registration
50.450.50.6 short 1.969 inch SK50 5.512 inch with Cool Jet
Download after registration
50.450.50.67 short 1.969 inch SK50 5.512 inch with Safe-Lock and Cool Jet
Download after registration
50.452.16.6 oversize (160 mm) 0.63 inch SK50 6.299 inch with Cool Jet
Download after registration
50.452.16.67 oversize (160 mm) 0.63 inch SK50 6.299 inch with Safe-Lock and Cool Jet
Download after registration
50.452.20.6 oversize (160 mm) 0.787 inch SK50 6.299 inch with Cool Jet
Download after registration
50.452.20.67 oversize (160 mm) 0.787 inch SK50 6.299 inch with Safe-Lock and Cool Jet
Download after registration
50.452.25.6 oversize (160 mm) 0.984 inch SK50 6.299 inch with Cool Jet
Download after registration
50.452.25.67 oversize (160 mm) 0.984 inch SK50 6.299 inch with Safe-Lock and Cool Jet
Download after registration
50.452.32.6 oversize (160 mm) 1.26 inch SK50 6.299 inch with Cool Jet
Download after registration
50.452.32.67 oversize (160 mm) 1.26 inch SK50 6.299 inch with Safe-Lock and Cool Jet
Download after registration
50.452.40.6 oversize (160 mm) 1.575 inch SK50 6.299 inch with Cool Jet
Download after registration
50.452.40.67 oversize (160 mm) 1.575 inch SK50 6.299 inch with Safe-Lock and Cool Jet
Download after registration
50.452.50.6 oversize (160 mm) 1.969 inch SK50 6.299 inch with Cool Jet
Download after registration
50.452.50.67 oversize (160 mm) 1.969 inch SK50 6.299 inch with Safe-Lock and Cool Jet
Download after registration
50.456.16.6 ZG200 0.63 inch SK50 7.874 inch with Cool Jet
Download after registration
50.456.16.67 ZG200 0.63 inch SK50 7.874 inch with Safe-Lock and Cool Jet
Download after registration
50.456.20.6 ZG200 0.787 inch SK50 7.874 inch with Cool Jet
Download after registration
50.456.20.67 ZG200 0.787 inch SK50 7.874 inch with Safe-Lock and Cool Jet
Download after registration
50.456.25.6 ZG200 0.984 inch SK50 7.874 inch with Cool Jet
Download after registration
50.456.25.67 ZG200 0.984 inch SK50 7.874 inch with Safe-Lock and Cool Jet
Download after registration
50.456.32.6 ZG200 1.26 inch SK50 7.874 inch with Cool Jet
Download after registration
50.456.32.67 ZG200 1.26 inch SK50 7.874 inch with Safe-Lock and Cool Jet
Download after registration
50.456.40.6 ZG200 1.575 inch SK50 7.874 inch with Cool Jet
Download after registration
50.456.40.67 ZG200 1.575 inch SK50 7.874 inch with Safe-Lock and Cool Jet
Download after registration
50.456.50.6 ZG200 1.969 inch SK50 7.874 inch with Cool Jet
Download after registration
50.456.50.67 ZG200 1.969 inch SK50 7.874 inch with Safe-Lock and Cool Jet
Download after registration
Haimer Care
Haimer Care
The quality at Haimer is not only by the product, but also by the accompanying services.

Scope of service
  • Early wear detection 
  • Preservation of the target condition 
  • High availability of HAIMER specialists 
  • Consistent quality level 
  • Prerequisite for certification according to ISO 9001
Haimer care in detail

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