Brand: ATORN
DIN: 69871-1
Art.-no. 21329550
Manufacturer article no. 21040100





Application
For use on machining centres and CNC machines with tool changer.
Execution
- 100 % concentricity check using different test pin diameters at various measuring points, based on DIN ISO 10888
- Concentricity tolerance ≤ 0.03 mm over the entire clamping range
- With worm gear
- Shape A with steep taper, no internal coolant supply
Advantage
- Remains securely clamped even if the spindle stops suddenly
Notes
The previous standard DIN 69871-1 was replaced by ISO 7388-1.
Delivery
1x SK40 CNC precision drill chuck (ISO 7388-1)
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Brand | ATORN |
EAN | 4050293321319 |
Manufacturer Part Number | 21040100 |
Tool holding device | SK 40 |
Min./max. clamping width | 0.5-16 mm |
Projecting length (A) | 90 mm |
Outer diameter (D) | 57 mm |
Length, open (Länge geöffnet L1) | 103 mm |
Length 2 (L1 max.) | 103 mm |
Concentricity tolerance | 0.020 mm |
Coolant supply | No |
Balancing quality | G 6,3 at 25000 rpm |
DIN | 69871-1 |
Harmonized System Code | 84661020 |
Product Group | 2BB |
Gross Weight | 1.969 kg |