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4 Flute Internal R End Mill For Mold Steel Die Making High Precision CNC Tool

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4 Flute Internal R End Mill For Mold Steel Die Making High Precision CNC Tool

Brand Name : AMG

Certification : ISO9001

Place of Origin : CHINA

MOQ : 3-10PCS

Payment Terms : T/T/Credit Card

Supply Ability : 30000-100000pcs per month

Delivery Time : 5-12 working days

Packaging Details : Plastic tube

Name : 4 Flute Internal R End Mill For Mold Steel

Coating : AlTiN/ AlTiSiN coating

Application : P20 H13 D2 Mold Steel

Shank precision : h6

Material : Carbide

Inch Or Millimeter : All can be customized

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4 Flute Internal R End Mill For Mold Steel Die Making High Precision CNC Tool



Introduction:


Our 4-flute internal R end mill is engineered for precision mold and die manufacturing, featuring ultra-fine grain tungsten carbide and advanced geometry to deliver exceptional accuracy in steel machining. Designed with a corner radius to reduce stress concentrations, this tool provides superior edge strength while maintaining ±0.01mm tolerance in demanding CNC milling applications. Ideal for hardened tool steels (HRC 45-55), it combines high material removal rates with extended tool life.


Features:


Premium Carbide Construction

  • 0.5μm micro-grain tungsten carbide (10% cobalt)

  • AlTiN/TiSiN coating options for enhanced wear resistance


Optimized 4-Flute Design

  • 35° helix angle balances chip evacuation and cutting force

  • Corner radius (R0.5-R5.0mm) prevents edge chipping

  • Center-cutting capable for plunge milling


Precision Ground Geometry

  • Radial runout <0.005mm

  • Mirror-finish flutes (Ra 0.2μm) reduce friction

  • G2.5 dynamic balance for high-RPM stability


Material-Specific Performance

  • P20 (HRC 30-36): Optimized for cavity machining

  • H13 (HRC 48-52): Special edge prep for hardened steel

  • D2 (HRC 58-60): Coated versions available



Typical Applications:


  • Injection Mold Manufacturing

    • Core/cavity profiling in P20 steel

    • Slideway machining in pre-hardened steels

    Stamping Die Production

    • Blanking punch contours in D2 steel

    • Progressive die form features

    Precision Engineering

    • Turbine blade root forms

    • Medical implant mold components


Detailed Pictures:



4 Flute Internal R End Mill For Mold Steel Die Making High Precision CNC Tool

4 Flute Internal R End Mill For Mold Steel Die Making High Precision CNC Tool


Our workshop:

4 Flute Internal R End Mill For Mold Steel Die Making High Precision CNC Tool

4 Flute Internal R End Mill For Mold Steel Die Making High Precision CNC Tool

4 Flute Internal R End Mill For Mold Steel Die Making High Precision CNC Tool


Promotion policy:


To help you experience our premium products, we’re excited to offer the following exclusive promotions for first-time buyers:


1.Free Test Samples

Get free samples (total value ≤ $20 USD) when you cover the international shipping cost.

Perfect for evaluating our product quality and performance risk-free.


2.$50 USD Discount on First Order

New customers can enjoy a $50 discount on the first order of $500 or more.

A great way to start our partnership with extra value!


Other products:

4 Flute Internal R End Mill For Mold Steel Die Making High Precision CNC Tool



FAQ:

1. Are you a manufacturer or trading company?

We are a professional manufacturer of carbide tools which established in 2017.

2. Which CNC grinding machine do you use?

All of our carbide tools are produced by imported WALTER grinding machines.

3. Which shipping method do you usually use?

We usually send goods by express like FedEx, UPS, DHL, TNT, EMS, ETC.

We also can send products to your shipping agent in China.


Product Tags:

4 Flute R End Mill

      

Die Making R End Mill

      

R Endmill For Mold Steel

      
Quality 4 Flute Internal R End Mill For Mold Steel Die Making High Precision CNC Tool wholesale

4 Flute Internal R End Mill For Mold Steel Die Making High Precision CNC Tool Images

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