4-Flute unequal pitch flattened end mill with straight shank
High-performance general milling UM series
| Type | Basic dimension(mm) | Number of teeth Z | Geometry |
|---|
| D | d | H | S | L | | |
| UM-4E-D4.0S | 4.0 | 4 | 11 | 6.0 | 50 | 4 | Picture 2 |
| UM-4E-D4.0 | 4.0 | 6 | 11 | 6.00 | 50 | 4 | Picture 1 |
| UM-4E-D4.5 | 4.5 | 6 | 11 | 6.75 | 50 | 4 | Picture 1 |
| UM-4E-D5.0 | 5.0 | 6 | 13 | 7.5 | 50 | 4 | Picture 1 |
| UM-4E-D5.5 | 5.5 | 6 | 16 | 8.25 | 50 | 4 | Picture 1 |
| UM-4E-D6.0 | 6.0 | 6 | 16 | 9.00 | 50 | 4 | Pitcure 2 |
| UM-4E-D7.0 | 7.0 | 8 | 20 | 10.5 | 60 | 4 | Picture 1 |
| UM-4E-D8.0 | 8.0 | 8 | 20 | 12.0 | 60 | 4 | Picture 2 |
| UM-4E-D9.0 | 9.0 | 10 | 22 | 13.5 | 75 | 4 | Picture 1 |
| UM-4E-D10.0 | 10.0 | 10 | 25 | 15.0 | 75 | 4 | Picture 2 |
| UM-4E-D11.0 | 11.0 | 12 | 26 | 16.5 | 75 | 4 | Picture 1 |
| UM-4E-D12.0 | 12.0 | 12 | 30 | 18.0 | 75 | 4 | Picture 2 |
| UM-4E-D14.0 | 14.0 | 14 | 32 | 21.0 | 75 | 4 | Picture 2 |
| UM-4E-D16.0 | 16.0 | 16 | 45 | 24.0 | 100 | 4 | Picture 2 |
| UM-4E-D18.0 | 18.0 | 18 | 45 | 27.0 | 100 | 4 | Picture 2 |
| UM-4E-D20.0 | 20.0 | 20 | 45 | 30.0 | 100 | 4 | Picture 2 |
Detailed Product Description:
UM= High performance general machining with unequal pitch
4E= 4 Corner protection flattened
D4.0= Tool diameter 4.0mm
S= Slim shank: diameter 4.0mm
Number of teeth: 4 Flutes
End tooth type of mills: 4-flute flattened end mills
Cutting diameter tolerance: D </= 12 0~-0.020
D<12 0~-0.030
Coated: AITiN coating
Helical angle: 38 degree, 41 degree
Machining operation: 
a. Side face: Flattened end mills for side machining
b. Step shoulder: Flattened end mills for shoulder machining
c. Straight slot: Flattened end mills for deep slot machining
Applicable workpiece material:
1. Very suitable for carbon steel , alloy steel, Pre-hardened steel
,hardened steel with 40HRC/50HRC/55HRC, cast iron, nodular cast
iron
2. Suitable for stainless steel, Tianium alloy, heat resistant
alloy
Advantage of high-performance general machining end mills
Unequal pitch and variable inclined angle design reduce vibration
risk and ensure better machining stability.
Variable flute depth design improves rigidity for higher chip
removal capacity.
Application range:
Suitable for high effectively machining of cast iron, carbon, alloy
steel, pre-hardened steel, quenched and tempered steel, hardened
steel under
HRC55,ect. Excellent machining stability under weak rigidity
working condition such as thin-walled parts, parts corner, large
overhang, etc.
Machining case:
Work piece material: 42 CrMo ( HRC35)
Cutting style: side milling
Tool type: UM-4E-D10.0
Cutting parameters: n=6000r/min
fz=0.16mm/z
ap=10mm, ae=1mm
