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4mm 2 Flute PCD Diamond Extreme Hardness Corner Radius End Mill - 30.6523 (Karnasch)

(30652304000312) Performance
£215.74 £179.78
The 30.6523 series from Karnasch is an extreme hardness PCD Diamond corner radius End Mill ranging from 3-12mm diameter. The special PCD EXTREME has a higher hardness than standard PCD and is laser ground to produce an ultra sharp cutting edge. Ideal for carbon fibre, glass reinforced plastics, aluminium, copper and brass.
  • N
Approx. 7 days. Subject to availability
View all variants
Carbon Steel ~ HB 225
Alloy Steels HB225-325
Pre-Hardened Steel HRc30~40
Hardened Steels HRc-40-45
Hardened Steels HRc-45-55
High Hardened Steels HRc55-70
Stainless Steel
HRSA's (Heat Resistant Super Alloys)
Cast Iron
Excellent Good
Features & Benefits
  • For Carbon Fibre, Glass Reinforced Plastics, Aluminium, Copper & Brass.
  • PCD EXTREME diamond coated carbide.
  • PCD Extreme is a premium grade of PCD developed by Karnasch offering 80% more hardness than standard PCD. Laser ground, high performance and fantastic tool life compared to standard PCD.
  • Corner Radius geometry to prevent cutting edge.
  • Ultra-sharp cutting edge from laser grinding process ensures the sharpest cutting edge and prevents delamination.
  • Specification
    R (Radius) 0.3
    D2 (Shank) 6
    L1 (Flute Length) 2.5
    End Profile Corner Radius
    L2 (Overall Length) 75
    L3 (Reach) 12
    Flutes 2
    D3 (Neck Diameter) 3.8
    Performance 5
    Helix Profile Standard
    Surface Treatment Uncoated (Polished)
    Shank Plain
    Flute Type Reduced Neck
    Product Group MCCO
    Applicable Materials Non-Ferrous
    Product Range Composite Milling Cutters
    Brand Karnasch
    D1 (Diameter) 4
    Substrate PCD Diamond
    Cutwel Sku 30652304000312
    Compiled Summary
    • D2 (Shank): 6
    • L1 (Flute Length): 2.5
    • L2 (Overall Length): 75
    • D1 (Diameter): 4
    Product Questions
    Downloads & Cutting Data