ATORN collet chuck SK40 (ISO 7388-1) ER25-Mini A=160 mm
Brand: ATORN
DIN: 69871-1
Art.-no. 23297118
Manufacturer article no. 22660615
EAN 4050293710304
Application
For clamping tools with a straight shank in ER collets in accordance with DIN 6499.
Execution
- Alloyed case-hardening steel, core tensile strength at least 950 N/mm²
- Internal coolant supply
- Case-hardened HRc 60 ± 2 (HV 700 ± 50), hardness depth 0.8 mm ± 0.2 mm
- Max. concentricity < 0.005 mm
- Taper angle tolerance quality < AT3 in accordance with DIN 7187 and DIN 2080
- All functional surfaces are machined
Notes
The previous standard DIN 69871-1 was superseded by ISO 7388-1.
Delivery
1x SK40 or SK50 ER miniature collet chuck (ISO 7388-1); incl. clamping nut
 | |
Brand | ATORN |
Tool holding device | SK 40 |
Collet type | ER 25 |
Min./max. clamping range 2 (Spannbereich min./max.) | 1-16 mm |
Projecting length (A) | 160 mm |
Outer diameter (D) | 35 mm |
Clearance length to collar (L1) | 141 mm |
DIN | 69871-1 |
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