Collection: 3+ Flute End Mills
3-flute and higher-flute end mills are optimized for rigidity, surface finish, and precision cutting, particularly in harder materials and finishing operations.
Additional flutes increase tool strength and place more cutting edges in contact with the material, resulting in smoother finishes, improved dimensional accuracy, and better performance in steel, stainless steel, and other harder alloys. These tools excel where stability and surface quality matter more than maximum chip evacuation.
2-Flute vs 3+ Flute — when to use each
Best suited for:
- Steel, stainless steel, and harder alloys
- Finishing passes and light to moderate material removal
- Applications requiring improved rigidity and reduced tool deflection
- High-precision profiling and contouring
- Situations where surface finish is critical
Use the filters below to narrow results by diameter, flute count, geometry, and cut direction to match the tool to your material, machine capability, and cutting strategy.
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0.0350" (0.9mm) AlTiN Coated 4-Flute Ball Nose Carbide End Mill, 1/8" Shank | K114
Regular price $25.95 USDRegular priceSale price $25.95 USD -
0.0350" (0.9mm) x .052" LOC 4-Flute Ball Nose Carbide End Mill, 1/8" Shank | K086
Regular price $21.95 USDRegular priceSale price $21.95 USD -
0.0350" (0.9mm) x .230" LOC 4-Flute Square End Carbide End Mill, 1/8" Shank | AP-50
Regular price $4.99 USDRegular priceSale price $4.99 USD -
0.0360" (0.91mm) AlTiN Coated 4-Flute Ball Nose Carbide End Mill, 1/8" Shank | K113
Regular price $25.99 USDRegular priceSale price $25.99 USD -
0.0360" x .054" LOC 4-Flute Ball Nose Carbide End Mill, 1/8" Shank | K065
Regular price $14.95 USDRegular priceSale price $14.95 USD -
0.0370" (0.95mm) x .055" LOC AlTiN Coated 4-Flute Ball Nose Carbide End Mill, 1/8" Shank | K072
Regular price $16.95 USDRegular priceSale price $16.95 USD -
0.0380" (0.97mm) 4-Flute Ball Nose Carbide End Mill, 1/8" Shank | K112
Regular price $19.95 USDRegular priceSale price $19.95 USD -
0.0394" (1.00mm) x 3mm LOC AlTiN Coated 4-Flute Square End Carbide End Mill, 4mm Shank | M4-105
Regular price $16.95 USDRegular priceSale price $16.95 USD -
0.0394" / 1.00mm 4-Flute Nitride-Coated Carbide End Mill, Square End, 3mm LOC, 3mm Shank M4-100
Regular price $10.95 USDRegular priceSale price $10.95 USD -
0.0400" x .480" LOC AlTiN Coated 3-Flute Square End Carbide End Mill, 1/8" Shank | K187
Regular price $29.95 USDRegular priceSale price $29.95 USD -
0.0410" (1.05mm) x .123" LOC AlTiN Coated 4-Flute Ball Nose Carbide End Mill, 1/8" Shank | K166
Regular price $18.95 USDRegular priceSale price $18.95 USD -
0.0420" x .126" LOC 4-Flute Ball Nose Carbide End Mill, 1/8" Shank | K153
Regular price $17.25 USDRegular priceSale price $17.25 USD -
0.0440" (1.12mm) x .132" LOC 4-Flute Square End Carbide End Mill, 1/8" Shank | K078
Regular price $12.95 USDRegular priceSale price $12.95 USD -
0.0450" (1.15mm) AlTiN Coated 3-Flute Square End Carbide End Mill, 1/8" Shank | K122
Regular price $27.99 USDRegular priceSale price $27.99 USD -
0.0450" (1.15mm) x .135" LOC AlTiN Coated 4-Flute Square End Carbide End Mill, 1/8" Shank | K194
Regular price $24.95 USDRegular priceSale price $24.95 USD -
0.0460" x .138" LOC 4-Flute Square End Carbide End Mill, 1/8" Shank | M4-110
Regular price $19.95 USDRegular priceSale price $19.95 USD