First, our carbide flat end mills use premium solid carbide material to ensure excellent hardness and wear resistance. The 4 flutes end mills design improves cutting stability and increases machining efficiency. As a result, users achieve smoother finishes and longer tool life when working with carbon steel, alloy steel, stainless steel, and cast iron.
Moreover, we provide multiple hardness options including hrc55 end mills, hrc60 end mills, and hrc65 end mills. Each option suits different machining conditions. HRC55 works well for carbon steel, alloy steel and cast iron, while HRC60 and HRC65 handle stainless steel and high-hardness materials more effectively. Additionally, we apply advanced coatings such as TiSiN, TiAlN (Nano Black), and AlTiSiN (Nano Blue) to enhance heat resistance and reduce tool wear.
Furthermore, these carbide flat end mills feature optimized geometry that ensures efficient chip removal and minimizes vibration. This design helps operators maintain consistent cutting performance even in demanding environments. Therefore, these 4 flutes end mills serve as an ideal choice for CNC machining, mold making, and precision engineering industries.
HRC55 HRC60 HRC65 4 Flutes Carbide end mills specifications:

| Model | Cutting Dia.(D) | FLute Length(Lc) | Shank Dia.(d) | Overall Length(L) | Flutes |
| 1*3*4*50 | 1 | 3 | 4 | 50 | 4 |
| 1.5*4*4*50 | 1.5 | 4 | 4 | 50 | 4 |
| 2*5*4*50 | 2 | 5 | 4 | 50 | 4 |
| 2.5*7*4*50 | 2.5 | 7 | 4 | 50 | 4 |
| 3*8*4*50 | 3 | 8 | 4 | 50 | 4 |
| 3.5*10*4*50 | 3.5 | 10 | 4 | 50 | 4 |
| 4*10*4*50 | 4 | 10 | 4 | 50 | 4 |
| 4*16*4*75 | 4 | 16 | 4 | 75 | 4 |
| 4*20*4*100 | 4 | 20 | 4 | 100 | 4 |
| 5*13*5*50 | 5 | 13 | 5 | 50 | 4 |
| 5*20*5*75 | 5 | 20 | 5 | 75 | 4 |
| 5*25*5*100 | 5 | 25 | 5 | 100 | 4 |
| 1*3*6*50 | 1 | 3 | 6 | 50 | 4 |
| 1.5*4*6*50 | 1.5 | 4 | 6 | 50 | 4 |
| 2*5*6*50 | 2 | 5 | 6 | 50 | 4 |
| 2.5*7*6*50 | 2.5 | 7 | 6 | 50 | 4 |
| 3*8*6*50 | 3 | 8 | 6 | 50 | 4 |
| 3.5*10*6*50 | 3.5 | 10 | 6 | 50 | 4 |
| 4*10*6*50 | 4 | 10 | 6 | 50 | 4 |
| 4.5*12*6*50 | 4.5 | 12 | 6 | 50 | 4 |
| 5*13*6*50 | 5 | 13 | 6 | 50 | 4 |
| 6*15*6*50 | 6 | 15 | 6 | 50 | 4 |
| 6*25*6*75 | 6 | 25 | 6 | 75 | 4 |
| 6*30*6*100 | 6 | 30 | 6 | 100 | 4 |
| 6*40*6*150 | 6 | 40 | 6 | 150 | 4 |
| 7*18*8*60 | 7 | 18 | 8 | 60 | 4 |
| 8*20*8*60 | 8 | 20 | 8 | 60 | 4 |
| 8*25*8*75 | 8 | 25 | 8 | 75 | 4 |
| 8*35*8*100 | 8 | 35 | 8 | 100 | 4 |
| 8*50*8*150 | 8 | 50 | 8 | 150 | 4 |
| 9*23*10*75 | 9 | 23 | 10 | 75 | 4 |
| 10*25*10*75 | 10 | 25 | 10 | 75 | 4 |
| 10*40*10*100 | 10 | 40 | 10 | 100 | 4 |
| 10*50*10*150 | 10 | 50 | 10 | 150 | 4 |
| 11*28*12*75 | 11 | 28 | 12 | 75 | 4 |
| 12*30*12*75 | 12 | 30 | 12 | 75 | 4 |
| 12*45*12*100 | 12 | 45 | 12 | 100 | 4 |
| 12*60*12*150 | 12 | 60 | 12 | 150 | 4 |
| 14*45*14*100 | 14 | 45 | 14 | 100 | 4 |
| 14*60*14*150 | 14 | 60 | 14 | 150 | 4 |
| 16*45*16*100 | 16 | 45 | 16 | 100 | 4 |
| 16*60*16*150 | 16 | 60 | 16 | 150 | 4 |
| 18*45*18*100 | 18 | 45 | 18 | 100 | 4 |
| 18*70*18*150 | 18 | 70 | 18 | 150 | 4 |
| 20*45*20*100 | 20 | 45 | 20 | 100 | 4 |
| 20*70*20*150 | 20 | 70 | 20 | 150 | 4 |
Note: All specs can be customized. For more information, please contact us at any time.
Bwin offers a wide variety of high-quality CNC spare parts, including carbide end mills, carbide inserts, turning bar tools, face milling tools, hole drilling tools, thread tapping tools, carbide burrs, tool holders, machine vises, live centers, chucks, CNC angle heads, carbide saw blades, clamping kits, as well as brand-name carbide inserts.
In addition, we provide the best parts support to keep your machines and business running smoothly.
