Boring bar blank SK 40-63-250 Dual Contact

€227.00 *

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  • DC.402.17.63
  • 4250001159764
  • 6.5
  • ~ DIN ISO 7388-1 U (ex. DIN 69871 A)
Application: For the manufacturing of special tools. Note: Cone and flange hardened and... more
Product information "Boring bar blank SK 40-63-250 Dual Contact"

Application:
For the manufacturing of special tools.


Note:
Cone and flange hardened and grinded. Soft body for later processing.


  • 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
Norm : ~ ISO7388-1 | Dual Contact
Taper : SK-DC
Taper size : 40
Face contact : Ja
Typ : Rohling
Internal cooling : Nein
Cooling version : A
BD : 63
LPR : 250
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