Sutton E251 12mm Roughing Endmill 4 Flute - 11% Cobalt SPM - AlCrN - Regular
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The Sutton E251 is a 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 10 metric sizes from 6 mm to 32 mm.
The cutting edge has an R30 helix with VA-R 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 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 |
|---|---|---|---|---|---|
| E251 0600 | 6 | 57 | 13 | 6 | 4 |
| E251 0800 | 8 | 69 | 19 | 10 | 4 |
| E251 1000 | 10 | 72 | 22 | 10 | 4 |
| E251 1200 | 12 | 83 | 26 | 12 | 4 |
| E251 1600 | 16 | 92 | 32 | 16 | 4 |
| E251 1605 | 16 | 92 | 32 | 16 | 5 |
| E251 2000 | 20 | 104 | 38 | 20 | 4 |
| E251 2005 | 20 | 104 | 38 | 20 | 5 |
| E251 2500 | 25 | 121 | 45 | 25 | 5 |
| E251 3200 | 32 | 133 | 53 | 32 | 6 |
Key specifications
| Specification | Detail |
|---|---|
| Catalogue code | E251 |
| Type | Roughing Endmill, 4-6 flute, regular length |
| Material | 11% cobalt HSS (SPM) |
| Finish | AlCrN |
| Helix / geometry | R30 VA-R |
| Designation | VA |
| Shank form | Weldon flat shank (DIN 1835 form B) |
| Cutting diameter tolerance (d1) | js14 |
| Shank tolerance | h6 |
| Sizes in this listing | 10 sizes, 6 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).
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Sutton E251 Rougher - HR (fine) - R30 VA - Regular: 12 / 4
SKU: A0131097 | Model: E2511200
This is the cutting tip 12, flute 4 option of the Sutton E251 Rougher - HR (fine) - R30 VA - Regular. Key details for this option: cutting diameter 12mm, shank diameter 12mm, overall length 83mm, flute length 26mm.