Brand: ATORN
DIN: 69871-1
Art.-no. 23424787
Manufacturer article no. 21044671
EAN 4050293407600
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				Application
For clamping cutters and drills with straight shanks in h6 tolerance. Suitable for heavy-duty machining.
Execution
- Guarantees maximum concentricity of 0.003 mm
 - Shrink grip and shrink release of carbide and HSS tools
 - Hardness 52 + 2 HRC
 - Maximum coolant pressure 80 bar
 - Adjustment travel 10 mm, can be adjusted on both sides
 - 4 additional drill holes for fine balancing
 - With Balluff chip hole
 - Geometry significantly improves damping behaviour
 
Advantage
- High transmittable torques
 - High chip removal rate, perfect for HSC machining
 - Protects the spindle and machine
 - Ideal for high rotation speeds
 - Improved surface quality
 
Notes
The previous standard DIN 69871-1 was superseded by ISO 7388-1.
Delivery
1x SK50 shrink-fit chuck (ISO 7388-1)
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Brand  | ATORN  | 
EAN  | 4050293407600  | 
Manufacturer Part Number  | 21044671  | 
Tool holding device  | SK 50  | 
Clamping diameter (d)  | 32 mm  | 
Projecting length (A)  | 100 mm  | 
Tapered diameter (d2)  | 44 mm  | 
Outer diameter (D)  | 55.9 mm  | 
Max. clamp in depth (max. L2)  | 62 mm  | 
Form  | AD/AF  | 
Max. adjustment travel (max. V)  | 10 mm  | 
Concentricity tolerance  | 0.003 mm  | 
Width across flats  | 5 mm  | 
Suitable for thread (G)  | M16 x 1  | 
Coolant supply  | KKB  | 
Balancing quality  | G 2.5 at 25,000 rpm  | 
DIN  | 69871-1  | 
Harmonized System Code  | 84661038  | 
Gross Weight  | 3.500 kg  | 
           			
