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Custom 3.7mm 4 Flute Carbide Flat End Mill Specialized for Steel Machining TiCN AlTiN Coating Options Available

Changzhou AMG Precision Tool Manufacturing CO., LTD
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Custom 3.7mm 4 Flute Carbide Flat End Mill Specialized for Steel Machining TiCN AlTiN Coating Options Available

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 : Custom 3.7mm 4 Flute Carbide Flat End Mill

Inch Or Millimeter : All can be customized

Type : Square end mill

Diameter : 1-20mm

Overall length : 50-330mm

Suitable for : Steel, stainless steel, mold steel, etc

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Custom 3.7mm 4 Flute Carbide Flat End Mill Specialized for Steel Machining TiCN AlTiN Coating Options Available



Introduction:


Our 3.7mm 4-flute carbide flat end mill is precision-engineered for high-performance steel machining applications. Manufactured from ultra-fine grain tungsten carbide and available with advanced TiCN or AlTiN coatings, this end mill delivers exceptional durability and precision in the most demanding CNC operations.

The optimized 4-flute design provides the perfect balance between material removal rate and surface finish quality, making it ideal for mold making, die manufacturing, and general precision machining of carbon steels, alloy steels, and hardened steels up to HRC 55.


Features:


1. Superior Tool Geometry

  • True 4-flute design for balanced cutting forces and reduced vibration

  • 30° helix angle optimizes chip evacuation in steel alloys

  • Precision ground cutting edges (±0.005mm) for consistent performance

  • Flat bottom design with <0.1mm corner radius for accurate profiling


2. Advanced Material Technology

  • Sub-micron carbide substrate (0.5μm grain size) for maximum toughness

  • Coating options:

    • TiCN (Titanium Carbonitride) - Ideal for general steel machining

    • AlTiN (Aluminum Titanium Nitride) - For hardened steels (HRC 45-55)

  • Polished flutes minimize chip adhesion in gummy materials


3. Performance Advantages

3-5× longer tool life vs standard HSS end mills in steel
20% higher feed rates enabled by optimized flute geometry
Superior surface finish (Ra 0.8μm achievable)
Reduced power consumption through efficient cutting design


4. Customization Options

  • Special diameters: 3.5-4.0mm available (±0.01mm tolerance)

  • Cutting lengths: Standard (3×D), Long (5×D), Extra-Long (8×D)

  • Shank configurations: Straight, Weldon flat, HSK compatible

  • Special geometries: Variable helix, reduced neck


Applications:


① Mold & Die Industry

  • Precision cavities in P20, H13 mold steels

  • EDM electrode machining


② Automotive Components

  • Transmission gear machining

  • Engine block detailing


③ General Metalworking

  • Carbon steel fixture manufacturing

  • Alloy steel prototype machining


④ Tool & Die Maintenance

  • Die repair and refurbishment

  • Precision slot cutting


Detailed Pictures:

Custom 3.7mm 4 Flute Carbide Flat End Mill Specialized for Steel Machining TiCN AlTiN Coating Options Available

Custom 3.7mm 4 Flute Carbide Flat End Mill Specialized for Steel Machining TiCN AlTiN Coating Options Available


Our workshop:

Custom 3.7mm 4 Flute Carbide Flat End Mill Specialized for Steel Machining TiCN AlTiN Coating Options Available

Custom 3.7mm 4 Flute Carbide Flat End Mill Specialized for Steel Machining TiCN AlTiN Coating Options Available

Custom 3.7mm 4 Flute Carbide Flat End Mill Specialized for Steel Machining TiCN AlTiN Coating Options Available


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:

Custom 3.7mm 4 Flute Carbide Flat End Mill Specialized for Steel Machining TiCN AlTiN Coating Options Available



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:

3.7mm Carbide Flat End Mill

      

Steel Machining Carbide Flat Endmill

      
 Custom 3.7mm 4 Flute Carbide Flat End Mill Specialized for Steel Machining TiCN AlTiN Coating Options Available Manufactures

Custom 3.7mm 4 Flute Carbide Flat End Mill Specialized for Steel Machining TiCN AlTiN Coating Options Available Images

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