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4 Flute Carbide bull nose carbide end mill D12mm TiSiN Coated R2 R3 Corner Radius 45° Helix Angle for Steel Alloy Finishing CNC Milling Cutter for

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4 Flute Carbide bull nose carbide end mill D12mm TiSiN Coated R2 R3 Corner Radius 45° Helix Angle for Steel Alloy Finishing CNC Milling Cutter for

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 Carbide bull nose carbide end mill D12mm TiSiN Coated

Coating : TiSiN Coated/Customized

Shank : 12mm cutting diameter, 16mm or 20mm shank (Weldon flat optional).

Helix : 40° or 45°

Diameter : 1-20mm

Overall length : 50-150mm,38mm to 100mm,50~150mm / customized

Machine type : Milling Maching,ANCA,Walter from German

Radius : R2 or R3

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4 Flute Carbide bull nose carbide end mill D12mm TiSiN Coated R2 R3 Corner Radius 45° Helix Angle for Steel Alloy Finishing CNC Milling Cutter for Hardened Metals


Introduction:


This high-performance bull nose end mill is designed for precision finishing operations in steel, alloy steel, and hardened metals (up to HRC60+). Featuring a TiSiN coating and 4-flute design, it delivers exceptional wear resistance, extended tool life, and superior surface finishes in demanding CNC milling applications.



Features:

Premium Carbide Material – Manufactured from ultra-fine grain carbide substrate for high rigidity and thermal stability, reducing deflection during machining.


TiSiN Coating – Enhances hardness (up to 3500 HV) and oxidation resistance, ideal for high-speed cutting (HSC) and dry machining of tough materials.


Optimized Geometry

  • 45° helix angle: Reduces vibration and improves chip evacuation for smoother finishes.

  • R2/R3 corner radius: Strengthens the cutting edge, minimizing chipping while maintaining precision in contours and pockets.


4-Flute Design – Balances efficiency and finish quality, offering faster feed rates than 2-flute designs while maintaining fine surface results.


Bull Nose Tip – Combines the benefits of flat-end and ball-nose mills, ideal for semi-finishing to finishing operations with minimal step-over marks.


Advantages Over Competitors


  • Extended Tool Life: TiSiN coating reduces friction and wear, lowering cost per part.


  • Superior Finish: 45° helix and polished flutes minimize burrs and improve chip flow.


  • Versatility: Suitable for both roughing and finishing in medium-to-hard materials.




Typical Applications


  • Materials: Carbon steel, alloy steel, tool steel, stainless steel (annealed), hardened metals (HRC45-60+).


  • Operations: Profile milling, 3D contouring, mold/die finishing, rib machining, and precision slotting.


  • Industries: Aerospace, automotive, mold & die, general metalworking.



Detailed Pictures:


4 Flute Carbide bull nose carbide end mill D12mm TiSiN Coated R2 R3 Corner Radius 45° Helix Angle for Steel Alloy Finishing CNC Milling Cutter for

4 Flute Carbide bull nose carbide end mill D12mm TiSiN Coated R2 R3 Corner Radius 45° Helix Angle for Steel Alloy Finishing CNC Milling Cutter for

4 Flute Carbide bull nose carbide end mill D12mm TiSiN Coated R2 R3 Corner Radius 45° Helix Angle for Steel Alloy Finishing CNC Milling Cutter for


Our workshop:

4 Flute Carbide bull nose carbide end mill D12mm TiSiN Coated R2 R3 Corner Radius 45° Helix Angle for Steel Alloy Finishing CNC Milling Cutter for

4 Flute Carbide bull nose carbide end mill D12mm TiSiN Coated R2 R3 Corner Radius 45° Helix Angle for Steel Alloy Finishing CNC Milling Cutter for


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:


4 Flute Carbide bull nose carbide end mill D12mm TiSiN Coated R2 R3 Corner Radius 45° Helix Angle for Steel Alloy Finishing CNC Milling Cutter for

4 Flute Carbide bull nose carbide end mill D12mm TiSiN Coated R2 R3 Corner Radius 45° Helix Angle for Steel Alloy Finishing CNC Milling Cutter for

4 Flute Carbide bull nose carbide end mill D12mm TiSiN Coated R2 R3 Corner Radius 45° Helix Angle for Steel Alloy Finishing CNC Milling Cutter for



Product Tags:

D12mm bull nose carbide Endmill

      

Finishing bull nose carbide Endmill

      
Quality 4 Flute Carbide bull nose carbide end mill D12mm TiSiN Coated R2 R3 Corner Radius 45° Helix Angle for Steel Alloy Finishing CNC Milling Cutter for for sale

4 Flute Carbide bull nose carbide end mill D12mm TiSiN Coated R2 R3 Corner Radius 45° Helix Angle for Steel Alloy Finishing CNC Milling Cutter for Images

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