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Industrial Step End Mill 4 Flutes For Mold Steel Die Making Precision Machining

Changzhou AMG Precision Tool Manufacturing CO., LTD
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Industrial Step End Mill 4 Flutes For Mold Steel Die Making Precision Machining

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

Product name : Step End Mill 4 Flutes for Mold Steel Die Making Precision Machining

Material : Tungsten carbide

Application : aluminium, cast iron, steel, inconel 718, titanium, etc

Coating : AlTiN (3μm) / TiSiN (optional)

Helix : Customized

Oem : Yes

Flute Length : Varies by size

Size : Various sizes available

Shank Type : Round

Flute Count : Multiple

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Industrial Step End Mill 4 Flutes for Mold Steel Die Making Precision Machining


Introduction:


Our 4-Flute Step End Mill is engineered for demanding die/mold manufacturing and precision machining applications. Designed specifically for hardened mold steels (P20, H13, D2) and alloy steels, this solid carbide end mill combines high-accuracy step geometry with optimized flute design to deliver exceptional surface finish and extended tool life in complex milling operations.


Features:


4-Flute High-Efficiency Design

  • Balanced between material removal rate and surface finish quality

  • Helical flute geometry reduces vibration during side milling


Premium Micro-Grain Tungsten Carbide

  • Sub-μm grain structure (0.6-0.8μm) for machining materials up to HRC 55

  • Higher transverse rupture strength vs standard carbide grades


Step Geometry Advantages

  • Multiple cutting diameters in one tool (e.g. 6mm-12mm in 2mm steps)

  • 30°/45°/90° shoulder angles available for different clearance needs


Specialized Coating Options

  • AlTiN coating (standard) for high-temperature resistance

  • TiSiN (optional) for abrasive composites

  • Polished flutes (optional) for non-ferrous materials


Coolant Through Capability

  • 2-4 internal coolant holes (Ø1.2mm standard)

  • Maintains consistent cutting temperature in deep cavities


Advantages:


40% Faster Machining vs conventional end mills in S7 tool steel


Ra 0.4μm Surface Finish achievable in finishing passes


Tool Life 3X Longer than HSS-E mills in hardened D2 steel


Single Tool Operation replaces multiple tools for roughing & finishing


Applications:


Mold Manufacturing

  • Core/cavity machining in P20 (HRC 30-36)

  • Ejector pin holes in H13 (HRC 48-52)


Precision Die Making

  • Progressive dies in D2 tool steel

  • Blanking punches in A2 steel


Industrial Components

  • Turbine blade roots in 17-4PH stainless

  • Hydraulic valve bodies in 4140 pre-hard


Detailed Pictures:

Industrial Step End Mill 4 Flutes For Mold Steel Die Making Precision Machining


Our workshop:



Industrial Step End Mill 4 Flutes For Mold Steel Die Making Precision Machining

Industrial Step End Mill 4 Flutes For Mold Steel Die Making Precision Machining


New Customer Special Offers:


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!


Our advantages:


1.Advanced grinding machines: All of our grinding machines are WALTER and SAACKE brands.


2.Advanced inspection machines: We have ZOLLER, OMEGA, PG1000, etc. For inspecting each carbide tools.


3.Fast feedback: we offer 24 hours online service


4.Strict quality control system:
We strictly adhere to a three-stage inspection process for each tool:
Raw material inspection
Semi-finished product inspection after production
Final inspection after coating (pre-shipment check)


Related products:


Industrial Step End Mill 4 Flutes For Mold Steel Die Making Precision Machining


Product Tags:

4 Flutes Industrial End Mill

      

Machining end mill 4 flutes

      
Quality Industrial Step End Mill 4 Flutes For Mold Steel Die Making Precision Machining wholesale

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