tungsten copper end mill tungsten copper end mill tungsten copper end mill

Tungsten Copper 4 Flutes Long Neck Corner Radius End Mill

SAMHO 4-Flute Long-Neck Corner Radius End Mill — Specialized for Tungsten-Copper, a Precision CNC Machining Essential

Don’t let the high hardness of tungsten-copper materials slow down your production. SAMHO tungsten-copper series end mills are specifically engineered for precision machining of highly abrasive tungsten-copper alloys. With advanced high-adhesion coating technology and a precision carbide substrate, this 4-flute long-neck corner radius end mill delivers excellent tool life and consistent performance.

Applicable Materials: Optimized for high-hardness tungsten copper parts and functional components.

Extreme Durability: The ultra-fine-grain carbide substrate combined with a high-performance coating maintains a sharp cutting edge, even during machining of highly abrasive tungsten-copper alloys.

Precision Machining: Strict dimensional tolerances ensure repeatable performance and high accuracy, meeting the demands of precision molds and complex components.

High-Efficiency Design: Long-neck geometry and rounded corners reduce cutting heat and optimize chip evacuation, enabling precise machining of complex contours and internal corners.

In tungsten-copper machining, tools must meet exceptionally high standards. They require not only precise cutting performance but also excellent wear resistance and long-term stability. The SAMHO 4-flute long neck rounded end mill (available in sizes D12R0.05 to D3R0.5 mm) is engineered to meet these demands. It delivers high-precision, consistent machining while ensuring superior surface finish and extended tool life. This end mill is ideal for CNC applications involving tungsten-copper materials, helping manufacturers achieve efficient and reliable results.


Advanced Technical Features

High-Adhesion Coating for Ultra-Long Tool Life
Our proprietary coating technology gives the cutting tools exceptional hardness and chemical stability.

  • Wear Resistance: Maintains a sharp edge even during prolonged, continuous machining of tungsten-copper alloys.
  • Micro-Chipping Prevention: Keeps the coating firmly bonded to the carbide substrate under high-speed, high-friction conditions.

Corner Radius Geometry for Machining Complex Shapes
The precision-engineered corner radius ensures excellent performance when machining internal corners, transition zones, and complex cavities in tungsten-copper parts.

  • High-Precision Surfaces: Delivers smooth and uniform surface finishes on tungsten-copper workpieces.
  • Mold and High-Precision Part Machining: Provides stable results without micro-cracks.

High-Efficiency 4-Flute Design for Cool Cutting
The sharp 4-flute geometry reduces cutting heat and improves chip evacuation.

  • Maximized Chip Evacuation: Quickly clears tungsten-copper chips from the cutting area.
  • Reduced Cutting Load: Minimizes heat buildup and prevents cracking in brittle materials.

Ultra-Fine Grain Carbide Substrate with Precision Grinding
Made from high-strength, ultra-fine grain carbide and CNC-ground specifically for tungsten-copper machining, this tool delivers consistent repeatability and precision.

  • Strict Dimensional Tolerance: Ensures stable and consistent batch production of parts.
  • Enhanced Fracture Resistance: Extends tool life, ideal for highly abrasive tungsten-copper materials.

Target Applications & Industries

This series of tungsten-copper-specific 4-flute long-neck rounded end mills is engineered for CNC applications and is widely suitable for:

  • Precision Machining of Tungsten-Copper Parts: Achieves high-precision surfaces and consistent dimensions for functional and structural components.
  • Complex Cavities and Internal Corners: Ideal for machining transition areas, deep cavities, and intricate internal features.
  • Highly Abrasive Tungsten-Copper Materials: Maintains tool life and performance even when cutting high-hardness, wear-prone materials.
  • High-Precision Contours and Complex Structures: Meets the demands of precision molds and intricate part geometries.

Why Source Wholesale from SAMHO?

  • High-Precision Manufacturing: Engineered for CNC machining, with shank diameter tolerances strictly controlled within 0–0.005 mm. This ensures excellent clamping stability and consistent machining results.
  • Superior Wear Resistance: A specialized coating combined with a high-strength carbide substrate extends tool life and maintains cutting performance on highly abrasive tungsten-copper alloys.
  • Adaptable to Complex Parts: The precision corner-radius tip easily handles internal corners, transition zones, and intricate mold cavities, delivering consistent surface quality.
  • Flexible Customization: Supports OEM/ODM, providing tailored solutions to meet specific customer requirements.
  • Reliable Partner: SAMHO ensures stable supply and strict quality control, helping manufacturers achieve efficient and repeatable production.

Recommended Materials for Machining (Highly Recommended: ⭐️ | Recommended: ⭕️ | Suggested: )

DIE STEEL Grade
Carbon steels (S45C/S55C)
Alloy steels (SK/SCM/SUS)
Prehardened steels (NAK/HPM)
Hardened steels (~55/~60/~70HRC)
SPECIAL MATERIAL
Aluminum alloys
Graphite
Copper
Plastics
Tungsten copper
Carbon fiber
Titanium alloys
Heat resistant alloys
Cemented carbide
Hard brittle (non-metallic) material

long neck corner radius end mill

Total 51 models

Model Number Outside Diameter Length of Cut Effective Length Corner Radius Shank Taper Angle Overall Length Number of Flutes Shank Diameter In Stock
CGLSR4-010005040 1 2 4 0.05 15° 50 4 4
CGLSR4-010005060 1 2 6 0.05 15° 50 4 4
CGLSR4-010005080 1 2 8 0.05 15° 50 4 4
CGLSR4-010005100 1 2 10 0.05 15° 50 4 4
CGLSR4-01001040 1 2 4 0.1 15° 50 4 4
CGLSR4-01001060 1 2 6 0.1 15° 50 4 4
CGLSR4-01001080 1 2 8 0.1 15° 50 4 4
CGLSR4-01001100 1 2 10 0.1 15° 50 4 4
CGLSR4-01501060 1.5 3 6 0.1 15° 50 4 4
CGLSR4-01501080 1.5 3 8 0.1 15° 50 4 4
CGLSR4-01501100 1.5 3 10 0.1 15° 50 4 4
CGLSR4-01501120 1.5 3 12 0.1 15° 50 4 4
CGLSR4-01501160 1.5 3 16 0.1 15° 50 4 4
CGLSR4-01502060 1.5 3 6 0.2 15° 50 4 4
CGLSR4-01502080 1.5 3 8 0.2 15° 50 4 4
CGLSR4-01502100 1.5 3 10 0.2 15° 50 4 4
CGLSR4-01502120 1.5 3 12 0.2 15° 50 4 4
CGLSR4-01502160 1.5 3 16 0.2 15° 50 4 4
CGLSR4-02001060 2 4 6 0.1 15° 50 4 4
CGLSR4-02001080 2 4 8 0.1 15° 50 4 4
CGLSR4-02001100 2 4 10 0.1 15° 50 4 4
CGLSR4-02001120 2 4 12 0.1 15° 50 4 4
CGLSR4-02001160 2 4 16 0.1 15° 50 4 4
CGLSR4-02001200 2 4 20 0.1 15° 50 4 4
CGLSR4-02002060 2 4 6 0.2 15° 50 4 4
CGLSR4-02002080 2 4 8 0.2 15° 50 4 4
CGLSR4-02002100 2 4 10 0.2 15° 50 4 4
CGLSR4-02002120 2 4 12 0.2 15° 50 4 4
CGLSR4-02002160 2 4 16 0.2 15° 50 4 4
CGLSR4-02002200 2 4 20 0.2 15° 50 4 4
CGLSR4-02005060 2 4 6 0.5 15° 50 4 4
CGLSR4-02005080 2 4 8 0.5 15° 50 4 4
CGLSR4-02005100 2 4 10 0.5 15° 50 4 4
CGLSR4-02005120 2 4 12 0.5 15° 50 4 4
CGLSR4-02005160 2 4 16 0.5 15° 50 4 4
CGLSR4-02005200 2 4 20 0.5 15° 50 4 4
CGLSR4-0301120 3 6 12 0.1 15° 50 4 4
CGLSR4-0301160 3 6 16 0.1 15° 50 4 4
CGLSR4-0301200 3 6 20 0.1 15° 50 4 4
CGLSR4-0301250 3 6 25 0.1 15° 60 4 4
CGLSR4-0301300 3 6 30 0.1 15° 75 4 4
CGLSR4-0302120 3 6 12 0.2 15° 50 4 4
CGLSR4-0302160 3 6 16 0.2 15° 50 4 4
CGLSR4-0302200 3 6 20 0.2 15° 50 4 4
CGLSR4-0302250 3 6 25 0.2 15° 60 4 4
CGLSR4-0302300 3 6 30 0.2 15° 75 4 4
CGLSR4-0305120 3 6 12 0.5 15° 50 4 4
CGLSR4-0305160 3 6 16 0.5 15° 50 4 4
CGLSR4-0305200 3 6 20 0.5 15° 50 4 4
CGLSR4-0305250 3 6 25 0.5 15° 60 4 4
CGLSR4-0305300 3 6 30 0.5 15° 75 4 4

Contour Milling Parameters

Work Material Tungsten Copper
(mm) Diameter (mm) Effective Length (min-1) Speed (mm/min) Feed
D1 4 12000 800
D1 6 10000 600
D1 8 8500 400
D1 10 7500 300
D1 4 12000 800
D1 6 10000 600
D1 8 8500 400
D1 10 7500 300
D1.5 6 10000 1200
D1.5 8 8500 800
D1.5 10 7500 500
D1.5 12 7000 300
D1.5 16 6000 300
D1.5 6 10000 1200
D1.5 8 8500 800
D1.5 10 7500 500
D1.5 12 7000 300
D1.5 16 6000 300
D2.0 6 12000 1500
D2.0 8 10000 1100
D2.0 10 9000 1000
D2.0 12 8500 800
D2.0 16 7000 600
D2.0 20 7000 400
D2.0 6 12000 1500
D2.0 8 10000 1100
D2.0 10 9000 1000
D2.0 12 8500 800
D2.0 16 7000 600
D2.0 20 7000 400
D2.0 6 12000 1500
D2.0 8 10000 1100
D2.0 10 9000 1000
D2.0 12 8500 800
D2.0 16 7000 600
D2.0 20 7000 400
D3.0 12 10000 1800
D3.0 16 8500 1400
D3.0 20 8000 1200
D3.0 25 7000 800
D3.0 30 6000 500
D3.0 12 10000 1800
D3.0 16 8500 1400
D3.0 20 8000 1200
D3.0 25 7000 800
D3.0 30 6000 500
D3.0 12 10000 1800
D3.0 16 8500 1400
D3.0 20 8000 1200
D3.0 25 7000 800
D3.0 30 6000 500
Note:
*Decrease both spindle speed and feed rate proportionally when the milling parameters exceed the machine’s maximum
spindlespeed;
*Recommend using a non-contact measuring device to avoid damaging the precision tip point.
Download 2: Tungsten Copper 4 Flutes Long Neck Corner Radius End Mill File

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