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ATORN collet chuck SK40 (ISO 7388-1) ER32 (2-20 mm) A=70 mm

ATORN collet chuck SK40 (ISO 7388-1) ER32 (2-20 mm) A=70 mm

ATORN collet chuck SK40 (ISO 7388-1) ER32 (2-20 mm) A=70 mm
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Item no: 1021512 331 

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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
  • 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
  • Max. concentricity < 0.005 mm
  • Functional surfaces precision-ground, all other surfaces black-oxide
  • With Balluff chip hole
  • All ER16 collet chucks feature a hexagon nut

Delivery
1x SK40 or SK50 ER collet chuck (ISO 7388-1); incl. clamping nut

Notes
The previous standard DIN 69871-1 was superseded by ISO 7388-1.

Brand: ATORN
Tool holding device: SK 40
Collet type: ER 32
Min./max. clamping range (Spannbereich min./max.): 2-20 mm
Projecting length (A): 70 mm
Outer diameter (D): 50 mm
Clearance length to collar (L1): 51 mm
DIN: 69871-1

ATORN-No.: 22660533

EAN no.: 4050293709483

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