Sutton E255 10mm Roughing Endmill 4 Flute R2.5 - 11% Cobalt SPM - AlCrN - Regular
Available
The Sutton E255 is a corner radius roughing endmill with 4 to 6 flutes, depending on size, made from 11% cobalt high speed steel (SPM), with an AlCrN coating. It is in the regular length series. This listing covers 16 metric sizes from 10 mm to 32 mm.
The cutting edge has an R30 helix with VA-R corner radius geometry and the designation is VA. The shank is a Weldon flat shank (DIN 1835 form B), with h6 shank tolerance and js14 cutting diameter tolerance.
Where this product is used
- Roughing in difficult-to-machine materials, where the VA-R geometry gives stable performance.
- Large volume metal removal.
Design features
- 11% cobalt high speed steel (SPM) construction.
- AlCrN coating for longer tool life.
- 4 to 6 flutes depending on size, R30 helix with VA-R corner radius geometry.
- Weldon flat shank (DIN 1835 form B).
- Tolerances: cutting diameter (d1) js14, shank h6.
Sizes
Diameters and lengths are in millimetres. Item numbers are the Sutton catalogue numbers.
| Item no. | d1 (mm) | l1 overall (mm) | l2 flute (mm) | d2 shank (mm) | Flutes | Corner radius (mm) |
|---|---|---|---|---|---|---|
| E255 1025 | 10 | 72 | 22 | 10 | 4 | 2.5 |
| E255 1040 | 10 | 72 | 22 | 10 | 4 | 4 |
| E255 1225 | 12 | 83 | 26 | 12 | 4 | 2.5 |
| E255 1240 | 12 | 83 | 26 | 12 | 4 | 4 |
| E255 1625 | 16 | 92 | 32 | 16 | 5 | 2.5 |
| E255 1640 | 16 | 92 | 32 | 16 | 5 | 4 |
| E255 2025 | 20 | 104 | 38 | 20 | 5 | 2.5 |
| E255 2040 | 20 | 104 | 38 | 20 | 5 | 4 |
| E255 2050 | 20 | 104 | 38 | 20 | 5 | 5 |
| E255 2060 | 20 | 104 | 38 | 20 | 5 | 6 |
| E255 2525 | 25 | 121 | 45 | 25 | 5 | 2.5 |
| E255 2540 | 25 | 121 | 45 | 25 | 5 | 4 |
| E255 2550 | 25 | 121 | 45 | 25 | 5 | 5 |
| E255 2560 | 25 | 121 | 45 | 25 | 5 | 6 |
| E255 3040 | 30 | 121 | 45 | 25 | 6 | 4 |
| E255 3240 | 32 | 133 | 53 | 32 | 6 | 4 |
Key specifications
| Specification | Detail |
|---|---|
| Catalogue code | E255 |
| Type | Roughing Endmill, 4-6 flute, regular length |
| Material | 11% cobalt HSS (SPM) |
| Finish | AlCrN |
| Helix / geometry | R30 VA-R corner radius |
| Designation | VA |
| Shank form | Weldon flat shank (DIN 1835 form B) |
| Cutting diameter tolerance (d1) | js14 |
| Shank tolerance | h6 |
| Sizes in this listing | 16 sizes, 10 to 32 mm |
Related products
Related Sutton roughing endmills: E142 metric roughing endmill (regular), E143 12 mm roughing endmill (regular), TiCN, E144 30 mm roughing endmill (regular), E151 metric roughing endmill (regular), TiAlN, E168 12 mm roughing endmill (regular).
Resources
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10 / 2.5
Model Number: E2551025
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10 / 4
Model Number: E2551040
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12 / 2.5
Model Number: E2551225
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12 / 4
Model Number: E2551240
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16 / 2.5
Model Number: E2551625
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16 / 4
Model Number: E2551640
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20 / 2.5
Model Number: E2552025
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20 / 4
Model Number: E2552040
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20 / 5
Model Number: E2552050
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20 / 6
Model Number: E2552060
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25 / 2.5
Model Number: E2552525
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25 / 4
Model Number: E2552540
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25 / 5
Model Number: E2552550
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25 / 6
Model Number: E2552560
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30 / 4
Model Number: E2553040
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32 / 4
Model Number: E2553240
