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ATORN surface chuck coolant bore BT40 (ISO 7388-2) diameter 20 mm A=63 mm

ATORN surface chuck coolant bore BT40 (ISO 7388-2) diameter 20 mm A=63 mm

ATORN surface chuck coolant bore BT40 (ISO 7388-2) diameter 20 mm A=63 mm
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Item no: 1021633 338 

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Available in 8-10 working days.

Application
For clamping tools with straight shank and clamping surface in accordance with DIN 1835 B.

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

Delivery
1x BT40 surface chuck (Weldon) (ISO 7388-2

Notes
The previous standard JIS B 6339 MAS BT was superseded by ISO 7388-2.

Brand: ATORN
Tool holding device: BT 40
Form: JD
Clamping diameter (d): 20 mm
Projecting length (A): 63 mm
Outer diameter (D): 52 mm
Length (L): 36 mm
Balancing quality: G 2.5 at 25,000 rpm
Thread dimension (g / G): M16

ATORN-No.: 22660478

EAN no.: 4050293708936

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