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ER collet chuck with miniature nut
In accordance with ISO 7388-1 (DIN 69871); slim version
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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), hardening 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 machined.
Notes
The previous standard DIN 69871-1 was superseded by ISO 7388-1.
Delivery
1x ER miniature collet chuck SK40 or SK50 (ISO 7388-1); incl. clamping nut.
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