ATORN collet chuck BT40 (ISO 7388-2) ER40 A=160 mm
Brand: ATORN
Art.-no. 23296580
Manufacturer article no. 22660578
EAN 4050293709933
Application
For clamping tools with straight shank in ER collet chucks 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
- Taper angle tolerance quality < AT3 in accordance with DIN 7187 and DIN 2080
- All functional surfaces are machined
- All ER16 collet chucks feature a hexagon nut
- Required pull studs no. 23690 and collet chucks no. 23320
Notes
The previous standard JIS B 6339 MAS BT was superseded by ISO 7388-2.
Delivery
1x ER collet chuck BT40 (ISO 7388-2).
 | |
Brand | ATORN |
Tool holding device | BT 40 |
Collet type | ER 40 |
Min./max. clamping range (Spannweite min./max.. d) | 3-26 mm |
Outer diameter (D) | 63 mm |
Projecting length (A) | 160 mm |
Clearance length to collar (L1) | 133 mm |
Balancing quality | G 2.5 at 25,000 rpm |
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