55 4-Flute Flat End Mill
55 4-Flute Flat End Mill is engineered for high-speed milling with superior surface finish. Its four-flute design enhances rigidity, making it suitable for finishing operations on hardened materials.
Smooth cutting, no chip buildup. Four chip evacuation grooves. Precision-ground helix, widened cutting edge. Cuts light, clears chips.
Small Craftsman (Shandong) Machine & Tools Co., Ltd. is one of the leading manufacturers and suppliers of 55 4-flute flat end mill in China. If you're going to wholesale bulk advanced 55 4-flute flat end mill, welcome to get quotation from our factory. All customized products are with high quality and competitive price.
55 4-Flute Flat End Mill
This 55 degree carbide end mill has four flutes. Balzers coating. Cuts stainless, steel, and cast iron.
55 4-Flute Flat End Mill is engineered for high-speed milling with superior surface finish. Its four-flute design enhances rigidity, making it suitable for finishing operations on hardened materials.
Smooth cutting, no chip buildup. Four chip evacuation grooves. Precision-ground helix, widened cutting edge. Cuts light, clears chips.
Coating Options: TiAlN/AlTiN, TiAlCrN, AlTiN/SiN. Hard, wear-resistant, heat-resistant.
Durable with good corrosion resistance. Carefully ground cutting edges, no burrs. Smooth cuts.
Base Material: Imported ultra-fine grain tungsten carbide. Wears longer, stronger.
Material Range: Soft and hard materials in one pass. Carbon steel, hardened steel, tool steel, alloy steel, stainless steel.

This square end mill cutter uses imported ultra-fine grain tungsten carbide. Strong, wears well.
Four chip evacuation grooves. Precision-ground helix, widened cutting edge. Cuts light, clears chips clean.
Balzers coating. TiAlN/AlTiN/TiAlCrN/AlTiN/SiN options. Hard, wear-resistant, heat-resistant.
Coating adds corrosion resistance. Tool lasts longer.
Carefully ground cutting edges. No burrs, no chipping. Smooth cuts.
Wide material range. This 55 Degree 4 Flute Flat End Mill handles carbon steel, hardened steel, tool steel, alloy steel, stainless steel, cast iron.
Good for facing, side milling, slotting. Versatile.
Four-flute structure is rigid. Load distributes evenly. Minimal vibration, good finish.
55° helix optimized. Cuts light, reduces machine load.

High-hardness coating handles heat. Won't soften or wear.
Tungsten carbide base has toughness. Impact and chip resistant. Stable at high feed and speed.
High precision body. Good concentricity, minimal runout. Dimensions stay consistent.
Smooth coating surface. No built-up edge. Better surface quality.
Soft and hard materials in one pass. No frequent tool changes. This cnc milling cutter saves time.
Fits CNC machining centers and mills. Good for hardware and mold work. This high speed end mill performs.

| Type | Diameter (D) | Length of Cut (L1) | Shank Dia(d) | Overall Length (L) |
| 1.0*3*4*50*4F | 1 | 3 | 4 | 50 |
| 1.5*4*4*50*4F | 1.5 | 4 | 4 | 50 |
| 2.0*6*4*50*4F | 2 | 6 | 4 | 50 |
| 2.5*8*4*50*4F | 2.5 | 8 | 4 | 50 |
| 3.0*8*4*50*4F | 3 | 8 | 4 | 50 |
| 3.5*10*4*50*4F | 3.5 | 10 | 4 | 50 |
| 4*10*4*50*4F | 4 | 10 | 4 | 50 |
| 4*15*4*75*4F | 4 | 15 | 4 | 75 |
| 4*20*4*100*4F | 4 | 20 | 4 | 100 |
| 5*13*5*50*4F | 5 | 13 | 5 | 50 |
| 5*13*6*50*4F | 5 | 13 | 6 | 50 |
| 6*15*6*50*4F | 6 | 15 | 6 | 50 |
| 6*25*6*75*4F | 6 | 25 | 6 | 75 |
| 6*30*6*100*4F | 6 | 30 | 6 | 100 |
| 8*20*8*60*4F | 8 | 20 | 8 | 60 |
| 8*25*8*75*4F | 8 | 25 | 8 | 75 |
| 8*35*8*100*4F | 8 | 35 | 8 | 100 |
| 10*25*10*75*4F | 10 | 25 | 10 | 75 |
| 10*40*10*100*4F | 10 | 40 | 10 | 100 |
| 12*30*12*75*4F | 12 | 30 | 12 | 75 |
| 12*45*12*100*4F | 12 | 45 | 12 | 100 |
| 14*35*14*80*4F | 14 | 35 | 14 | 80 |
| 14*45*14*100*4F | 14 | 45 | 14 | 100 |
| 16*45*16*100*4F | 16 | 45 | 16 | 100 |
| 18*45*18*100*4F | 18 | 45 | 18 | 100 |
| 20*45*20*100*4F | 20 | 45 | 20 | 100 |
| 6*35*6*150*4F | 6 | 35 | 6 | 150 |
| 8*50*8*150*4F | 8 | 50 | 8 | 150 |
| 10*55*10*150*4F | 10 | 55 | 10 | 150 |
| 12*60*12*150*4F | 12 | 60 | 12 | 150 |
| 14*65*14*150*4F | 14 | 65 | 14 | 150 |
| 16*70*16*150*4F | 16 | 70 | 16 | 150 |
| 18*70*18*150*4F | 18 | 70 | 18 | 150 |
| 20*70*20*150*4F | 20 | 70 | 20 | 150 |
| 7*20*8*60*4F | 7 | 20 | 8 | 60 |
| 9*20*10*75*4F | 9 | 20 | 10 | 75 |
| 11*25*12*75*4F | 11 | 25 | 12 | 75 |
| 13*40*14*100*4F | 13 | 40 | 14 | 100 |
| 15*45*16*100*4F | 15 | 45 | 16 | 100 |
| 4*20*4*150*4F | 4 | 20 | 4 | 150 |
| 6*35*6*200*4F | 6 | 35 | 6 | 200 |
| 8*50*8*200*4F | 8 | 50 | 8 | 200 |
| 10*55*10*200*4F | 10 | 55 | 10 | 200 |
| 12*60*12*200*4F | 12 | 60 | 12 | 200 |
| 14*60*14*200*4F | 14 | 60 | 14 | 200 |
| 16*70*16*200*4F | 16 | 70 | 16 | 200 |
| 20*70*20*200*4F | 20 | 70 | 20 | 200 |

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