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4G Mills - Performance HSC Carbide Milling

Speed, Accuracy, Durability & Choice

Huge range of tool diameters, lengths and geometries makes 4G Mills the most comprehensive milling cutter range for dedicated steel milling.

★★★★★

Diameter
Range (mm)

Metal Removal
Rates

Material Versatility

Cutting
Resistance

Surface
Finish

High Accuracy Machining

Square Shoulder Milling

Chip
Control

0.03-25 ★★★☆☆ ★★★★☆ ★★★★☆ ★★★★★ ★★★★★ ★★★★★ ★★★★★

 Browse the Range

4G Mills Square End

2-4 flute square end milling cutters for performance steel milling

4G Mills Corner Radius

2-4 flute corner radius milling cutters for performance steel milling

4G Mills Ball Nose

Nanograin carbide 2 flute ball nose milling cutters for performance steel milling

4G Mills 6 Flute (Finisher)

Exceptional surface finish in profiling operations

Advantages

Durability

Advanced Y1200 coating combined with unique geometries and premium carbide offering maximum tool life

Speed

Dedicated range for HSC (high speed cutting) of steels <55HRc, stainless steel & cast iron

Choice

Huge range of tool geometries and lengths with diameters ranging from Ø0.03mm - Ø25mm

Accuracy

Manufactured to tight tolerances resulting in precision made components with mirror surface finish

Features

Ultrafine Carbide

Increased performance over standard micrograin carbide

Nanograin Ball Nose

Nanograin carbide ball nose cutters with exceptional heat resistance

High Speed Milling

For HSC (high speed cutting) on steel and hardened steel <55HRC

Optional Multiple Helix

Available for extra strength, heavy cutting & less vibration

M Chip Breaker

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

    *Up to 55HRC

    Possible Machining Methods

    Profiling

    Face Milling

    Shoulder Milling

    Slotting

    Trochoidal Milling

    Circular Interpolation

    Example Cutting Data

    2 Flute Ball Nose 4 Flute Corner Radius End Mill 6 Flute 45 Degree Helix End Mill
    Tool SEMD98060E SEME0110005E SEME7508040E
    Size Ø6 x 6 x 12 x 90 Ø10 (R0.5) x 10 x 25 x 100 Ø8 x 8 x 40 x 130
    Workpiece Material Steel 35 HRc Steel 35 HRc Steel 45 HRc
    Surface Speed Vc 130 m/min 51 m/min 166 m/min
    RPM 6900 1640 6615
    Feed 830 mm/min 180 mm/min 2725 mm/min
    Feed Per Tooth 0.060 mm/tooth 0.027 mm/tooth 0.069 mm/tooth
    Machining Method Profiling Side Cutting Side Cutting
    Depth of Cut Axial 0.2mm
    Radial 1.2mm
    Axial 25mm
    Radial 0.5mm
    Axial 8mm
    Radial 0.4mm

    *Conservative example cutting data given. Tools can be run faster or slower depending on machine capability. Data based on ENMX06 insert.

    Downloads

    Cutting Data

    Product PDF