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Shrink Fit Chuck Standard Version, DIN ISO 7388-1, SK50

(formerly DIN 69871)
Shrink Fit Chuck Standard Version DIN ISO 7388-1 SK50 (formerly DIN 69871)
Technical drawing Shrink Fit Chuck Standard Version DIN ISO 7388-1 SK50 (formerly DIN 69871)
Shrink Fit Chuck Standard Version DIN ISO 7388-1 SK50 (formerly DIN 69871)
Technical drawing Shrink Fit Chuck Standard Version DIN ISO 7388-1 SK50 (formerly DIN 69871)
Order number:
Shrink Fit Chuck Standard Version, 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 for clamping shank tools, suitable for use with all available shrink fit units.
With steep taper SK50 form AD/AF DIN ISO 7388-1 (formerly DIN 69871) an Shrink Fit version similar to DIN 69882-8.
Form AD/AF means: Central coolant supply and coolant channels through the flange which can be sealed again.
  • 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
Scope of Delivery
  • With backup screw
HAIMER TIP
For a constant and acurate cooling of te cutting tool we recommend the optional cooling system Cool Jet. For RPM higher 8000 U/min we recommend the optional cooling system Cool Flash. (on request)
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 (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 (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
Shrink Fit Chuck Standard Version, DIN ISO 7388-1, SK50
asset-114943-1238
Description Norm: Value: metric/ inch
Clamping diameter D1 6 mm
Length A A 80 mm
A-length version short
Diameter 2 D2 21 mm
Diameter 3 D3 27 mm
Length L 36 mm
Interface SK50
Mass (weight) D7 2,910 kg
Standard number of properties layout NSM DIN4000-89
Body diameter 1 A1 27 mm
Flange diameter A4 97,5 mm
Interference diameter A6 21 mm
Length body diameter 1 B1 60,9 mm
Protruding length B3 80 mm
Overall length B4 181,75 mm
Taper angle B51 4,5 °
Functional length B71 44 mm
item style code BLDf 1
item style code BLD 508145
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
Connection size code workpiece side C6 0060
Connection diameter min C71 6
Clamping length max. / nominal length C81 36 mm
Clamping length, min., workpiece side C82 26 mm
Balance grade D5 G2,5/25000
Rotation speed, max D6 25000
Balancing device D51 1
Hand E1 N
coolant entry style code H21 7
coolant exit style code H22 1
Company identification J3 HAI
interface code to workpiece side J4 ZYL00600115
interface code to machine side J6 SKG05001795
Weight WT 2,910 kg
Standard number of properties layout NSM DIN4000-89
Body diameter 1 BD1 27 mm
Flange diameter DF 97,5 mm
Interference diameter DCINTF 21 mm
Length body diameter 1 LBD1 60,9 mm
Protruding length LPR 80 mm
Overall length OAL 181,75 mm
Taper angle TA 4,5 °
Functional length LF 44 mm
Connection code type machine side CCTMS SKG
Connection code unit base workpiece side CCUWS 1
Connection code style workpiece side CCSWS 5
Connection size code workpiece side CZCWS 0060
Connection diameter min DCONN 6
Clamping length max. / nominal length LSCX 36 mm
Hand HAND N
coolant entry style code CNSC 7
coolant exit style code CXSC 1
Company identification COMPC HAI
Shrink Fit Chuck Standard Version, 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 for clamping shank tools, suitable for use with all available shrink fit units.
With steep taper SK50 form AD/AF DIN ISO 7388-1 (formerly DIN 69871) an Shrink Fit version similar to DIN 69882-8.
Form AD/AF means: Central coolant supply and coolant channels through the flange which can be sealed again.
  • 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
Scope of Delivery
  • With backup screw
HAIMER TIP
For a constant and acurate cooling of te cutting tool we recommend the optional cooling system Cool Jet. For RPM higher 8000 U/min we recommend the optional cooling system Cool Flash. (on request)
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 (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 (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
Shrink Fit Chuck Standard Version, DIN ISO 7388-1, SK50
asset-114943-1238
Description Norm: Value: metric/ inch
Clamping diameter D1 6 mm
Length A A 80 mm
A-length version short
Diameter 2 D2 21 mm
Diameter 3 D3 27 mm
Length L 36 mm
Interface SK50
Mass (weight) D7 2,910 kg
Standard number of properties layout NSM DIN4000-89
Body diameter 1 A1 27 mm
Flange diameter A4 97,5 mm
Interference diameter A6 21 mm
Length body diameter 1 B1 60,9 mm
Protruding length B3 80 mm
Overall length B4 181,75 mm
Taper angle B51 4,5 °
Functional length B71 44 mm
item style code BLDf 1
item style code BLD 508145
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
Connection size code workpiece side C6 0060
Connection diameter min C71 6
Clamping length max. / nominal length C81 36 mm
Clamping length, min., workpiece side C82 26 mm
Balance grade D5 G2,5/25000
Rotation speed, max D6 25000
Balancing device D51 1
Hand E1 N
coolant entry style code H21 7
coolant exit style code H22 1
Company identification J3 HAI
interface code to workpiece side J4 ZYL00600115
interface code to machine side J6 SKG05001795
Weight WT 2,910 kg
Standard number of properties layout NSM DIN4000-89
Body diameter 1 BD1 27 mm
Flange diameter DF 97,5 mm
Interference diameter DCINTF 21 mm
Length body diameter 1 LBD1 60,9 mm
Protruding length LPR 80 mm
Overall length OAL 181,75 mm
Taper angle TA 4,5 °
Functional length LF 44 mm
Connection code type machine side CCTMS SKG
Connection code unit base workpiece side CCUWS 1
Connection code style workpiece side CCSWS 5
Connection size code workpiece side CZCWS 0060
Connection diameter min DCONN 6
Clamping length max. / nominal length LSCX 36 mm
Hand HAND N
coolant entry style code CNSC 7
coolant exit style code CXSC 1
Company identification COMPC HAI
All product variants
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Order No. A-length version Clamping diameter Interface Length A Upgrade Downloads metric/ inch
50.440.06 short 6 mm SK50 80 mm
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50.440.06.2 short 6 mm SK50 80 mm with Cool Jet
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50.440.08 short 8 mm SK50 80 mm
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50.440.08.2 short 8 mm SK50 80 mm with Cool Jet
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50.440.10 short 10 mm SK50 80 mm
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50.440.10.2 short 10 mm SK50 80 mm with Cool Jet
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50.440.12 short 12 mm SK50 80 mm
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50.440.12.2 short 12 mm SK50 80 mm with Cool Jet
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50.440.14 short 14 mm SK50 80 mm
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50.440.14.2 short 14 mm SK50 80 mm with Cool Jet
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50.440.16 short 16 mm SK50 80 mm
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50.440.16.2 short 16 mm SK50 80 mm with Cool Jet
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50.440.18 short 18 mm SK50 80 mm
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50.440.18.2 short 18 mm SK50 80 mm with Cool Jet
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50.440.20 short 20 mm SK50 80 mm
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50.440.20.2 short 20 mm SK50 80 mm with Cool Jet
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50.440.25 short 25 mm SK50 100 mm
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50.440.25.2 short 25 mm SK50 100 mm with Cool Jet
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50.440.32 short 32 mm SK50 100 mm
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50.440.32.2 short 32 mm SK50 100 mm with Cool Jet
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50.442.06 oversize (160 mm) 6 mm SK50 160 mm
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50.442.08 oversize (160 mm) 8 mm SK50 160 mm
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50.442.10 oversize (160 mm) 10 mm SK50 160 mm
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50.442.12 oversize (160 mm) 12 mm SK50 160 mm
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50.442.14 oversize (160 mm) 14 mm SK50 160 mm
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50.442.16 oversize (160 mm) 16 mm SK50 160 mm
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50.442.18 oversize (160 mm) 18 mm SK50 160 mm
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50.442.20 oversize (160 mm) 20 mm SK50 160 mm
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50.442.25 oversize (160 mm) 25 mm SK50 160 mm
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50.442.32 oversize (160 mm) 32 mm SK50 160 mm
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50.444.06 ZG130 6 mm SK50 130 mm
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50.444.08 ZG130 8 mm SK50 130 mm
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50.444.10 ZG130 10 mm SK50 130 mm
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50.444.12 ZG130 12 mm SK50 130 mm
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50.444.14 ZG130 14 mm SK50 130 mm
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50.444.16 ZG130 16 mm SK50 130 mm
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50.444.18 ZG130 18 mm SK50 130 mm
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50.444.20 ZG130 20 mm SK50 130 mm
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50.444.25 ZG130 25 mm SK50 130 mm
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50.444.32 ZG130 32 mm SK50 130 mm
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50.446.06 ZG200 6 mm SK50 200 mm
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50.446.08 ZG200 8 mm SK50 200 mm
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50.446.10 ZG200 10 mm SK50 200 mm
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50.446.12 ZG200 12 mm SK50 200 mm
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50.446.14 ZG200 14 mm SK50 200 mm
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50.446.16 ZG200 16 mm SK50 200 mm
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50.446.18 ZG200 18 mm SK50 200 mm
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50.446.20 ZG200 20 mm SK50 200 mm
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50.446.25 ZG200 25 mm SK50 200 mm
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50.446.32 ZG200 32 mm SK50 200 mm
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50.447.06 ZG120 6 mm SK50 120 mm
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50.447.08 ZG120 8 mm SK50 120 mm
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50.447.10 ZG120 10 mm SK50 120 mm
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50.447.12 ZG120 12 mm SK50 120 mm
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50.447.14 ZG120 14 mm SK50 120 mm
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50.447.16 ZG120 16 mm SK50 120 mm
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50.447.18 ZG120 18 mm SK50 120 mm
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50.447.20 ZG120 20 mm SK50 120 mm
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50.447.25 ZG120 25 mm SK50 120 mm
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50.447.32 ZG120 32 mm SK50 120 mm
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