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PCD Extreme Diamond Milling Cutters

Prevent delamination with a laser ground, ultra-sharp cutting edge

PCD EXTREME is a premium grade of PCD developed by Karnasch offering 80% more hardness than standard PCD

★★★★★

Diameter
Range (mm)

Metal Removal
Rates

Material Versatility

Cutting
Resistance

Surface
Finish

High Accuracy Machining

Square Shoulder Milling

Chip
Control

3-12 ★★★★★ ★★★★☆ ★★★★★ ★★★★★ ★★★★★ ★★★★☆ ★★★★★

 Browse the Range

PCD Extreme
Square End

Extreme hardness for ultra-high performance composite machining

PCD Extreme
Corner Radius

Extreme hardness for ultra-high
performance composite machining

PCD Extreme
Ball Nose

Extreme hardness for ultra-high
performance composite machining

PCD Extreme
V Mill

For burr-free milling of upper and
lower edge of fibre-reinforced plastics

Advantages

Designed for Composites

Ultra-sharp cutting edge & high hardness specifically targets composite machining

Tougher than Coating

Increased tool life and performance vs diamond coated carbide

Material Suitability

Includes carbon fibre, glass reinforced plastics, aluminium, copper & brass composites

Features

Extreme Hardness

80% more hardness than standard PCD, ideal for preventing delamination

Ultra-Sharp Cutting Edge

Precise laser grinding process ensures the sharpest cutting edge

Diamond Content

Incredible wear resistance due to cutter’s composite diamond substrate

Built to Handle High Speed
Cutting Without Buildup

  • Excels in Ultra High-Speed, High HP Applications Up to 35,000 RPM

  • Rigid Design for Excellent Ramping

  • Rigid Design for Excellent Ramping

The Anatomy of Efficiency

1

Specialised Design of Corner Gash

Unique flute design and superior corner protection
Tool life protected against catastrophic failure in high feed application
Polished flutes for excellent chip flow


2

DLC Diamond-Like Carbon Coating

Excels in hard aluminium & high speeds
Provides edge strength and unsurpassed tool life

1

Specialised Design of Corner Gash

Unique flute design and superior corner protection

Tool life protected against catastrophic failure in high feed application

Polished flutes for excellent chip flow

2

DLC Diamond-Like Carbon Coating

Excels in hard aluminium & high speeds

Provides edge strength and unsurpassed tool life

Cylindrical Land

Increased performance in a variety of cutting conditions with reduced vibration

Symmetrical Shape

Highly effective in vertical ramping up to 20 degrees and step-over plunging applications

Unique Flute Design

Effective chip evacuation at high feed rates with lower cutting forces

Speed. Strength. Sharpness.

Alu-Power HPC keeps its edge under tough conditions.

No Cutter Withstands Extreme Radial Forces
Better or Longer

1

Wide Clamping Area

  • Extra stable clamping system
  • Anti-vibration during machining
  • Reliable tool life


  • 2

    6 Cornered Insert

    High cost efficiency from multi-corners

    1

    Streamlined Holder Design

    Improved chip evacuation in deep shouldering and slotting

    2

    Through Coolant System

    Improved chip flow and tool life thanks to insert cooling

    3

    3-Side Supporting System

    Stable tool life

    4

    Strong Clamping Screws

    Enable rigid clamping

    The Benefits of Balanced Cutting

    1

    Wide Clamping Area

  • Extra stable clamping system
  • Anti-vibration during machining
  • Reliable tool life


  • 2

    6 Cornered Insert

    High cost efficiency from multi-corners

    1

    Streamlined Holder Design

    Improved chip evacuation in deep shouldering and slotting

    2

    Through Coolant System

    Improved chip flow and tool life thanks to insert cooling

    3

    3-Side Supporting System

    Stable tool life

    4

    Strong Clamping Screws

    Enable rigid clamping

    Application

    Material Suitability

    Material Excellent Good
    P
    Steel
    H
    Hardened Steel
    M
    Stainless Steel
    S
    HRSA's
    K
    Cast Iron
    N
    Aluminium & Non-Ferrous

    Possible Machining Methods

    Side Cutting

    Ramping

    Rough Cutting

    Example Cutting Data

    PCD EXTREME is a premium grade of PCD offering 80% more hardness than standard PCD

    PEEK CF30
    Ø6mm with Corner Rad
    Side Cutting (Profiling)

    Acrylic
    Ø10mm with Corner Rad
    Side Cutting (Profiling)

    Gold, Silver
    Ø6mm Ball End Mill
    Copy Milling

    CRP
    Ø5mm Endmill 0.1 Corner Chamfer
    Side Cutting (Profiling)

    Tool Series 306523 306523 306522 306524
    RPM 47740 35010 29175 38192
    Feed (mm/min) 2864 4201 700 1528
    Vc (m/min) 900 1100 5050 600
    Fz (mm/tooth) 0.03 0.06 0.012 0.02
    Depth of Cut (AP) 3mm 5mm 0.6mm 2.5mm
    Depth of Cut (AE) 1.2mm 2mm 3mm 1.5mm

    Downloads

    Cutting Data

    Product PDF