High Performance Milling Chuck BT 40-20-90 JIS B 6339 (MAS-BT) AD/B

€319.00 *

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  • DC.406.64.20
  • 4250001139247
  • 1.8
  • HKS-system Dual Contact
Application: For mounting straight-shank tools. All holders are made of forged steel... more
Product information "High Performance Milling Chuck BT 40-20-90 JIS B 6339 (MAS-BT) AD/B"

Application:
For mounting straight-shank tools.


  • All holders are made of forged steel
  • Specific, low warpage hardened
  • Surface hardened HRC 58~60
  • Hardening depth 0,8mm~0,9mm
  • Taper angle tolerance < AT 3 according to DIN 2080
  • Surface roughness Ra < 0,4 µm
  • Tensile strength in the core of min. 800 N/mm² after DIN
  • All functional surfaces fine machined
d : 20
D : 53
Balance quality : G6.3 | 15.000 1/min
Concentricity : <= 0,003
A : 90
Internal coolant : Ja
Standard : JIS B 6339
Cone size : 40
Coolant : AD/B
Capacity : 20 (HKS 20)
Type : Kraftspannfutter
Face contact : Ja
Taper : BT-DC
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