Ref. 21520A-2.5
Roughing endmill
Roughin-Endmill-SC-E2-+-EZI-ALPHA,-short-version
E2A E2 — 3 flutes, sharp corner, Ø 2.5 mm
Swiss Made
Profile view
Top view
E2 High Precision Tool Material
Cutting Angles ?30° ?3°
45° Precision Angle Measurement
Dual Direction Helical Drill Bit
1.5xD Depth Precision Tool
Short Length Tool Wear Bars
Specifications
Dimensions
| Diameter (D) | 2.5 mm |
| Shank diameter (d) | 3 mm (h5) |
| Overall length (L) | 38 mm |
| Cutting length (l1) | 1.6 × D = 4 mm |
| Number of flutes (Z) | 3 |
| w° collision | 3° |
Material & geometry
| Substrate | E2A |
| Nuance | E25UF |
| Granulométrie | < 0.4 µm |
| Hardness | 1750 HV30 |
| Revêtement | A - EZI-ALPHA 3 |
Material compatibility
●●● Excellent (3/3)
●●○ Good (2/3)
●○○ Possible (1/3)
○○○ Not recommended
| Material | Specification | Grp | 21520A-2.5 | ||
|---|---|---|---|---|---|
| Alloyed and non-alloyed steelsNon-alloyed steels | Rm < 450 N/mm² | 1a | ●●○ | Calculate | |
| Rm 450–700 N/mm² | 1b | ●●○ | Calculate | ||
| Rm 700–900 N/mm² | 1c | ●●○ | Calculate | ||
| Rm > 1200 N/mm² | 1d | ●○○ | Calculate | ||
| Stainless steelsStainless steels | Rm < 650 N/mm² | 2a | ●●○ | Calculate | |
| Rm 650–950 N/mm² | 2b | ●●○ | Calculate | ||
| Rm > 950 N/mm² | 2c | ●●○ | Calculate | ||
| Hardened steelsHardened steels | 44–56 HRC | 3a | ○○○ | ||
| 57–67 HRC | 3b | ○○○ | |||
| Exotic materialsSpecial alloys | < 32 HRC | 4a | ●○○ | Calculate | |
| > 32 HRC | 4b | ●○○ | Calculate | ||
| GraphiteIndustrial graphite | 5 | ○○○ | |||
| Cast ironGrey / nodular cast iron | < 32 HRC | 6a | ●●● | Calculate | |
| > 32 HRC | 6b | ●●● | Calculate | ||
| TitaniumTitanium alloys | Rm < 600 N/mm² | 7a | ●●○ | Calculate | |
| 600 < Rm N/mm² | 7b | ●○○ | Calculate | ||
| Nickel alloysInconel, Hastelloy | Rm < 1000 N/mm² | 8a | ●○○ | Calculate | |
| Rm > 1000 N/mm² | 8b | ●○○ | Calculate | ||
| Copper, brass, bronzeCopper-based | Rm < 850 N/mm² | 9a | ●●○ | Calculate | |
| Rm > 850 N/mm² | 9b | ●●○ | Calculate | ||
| AluminumAluminum alloys | Si < 0.5% | 10a | ○○○ | ||
| 0.5% < Si < 5% | 10b | ○○○ | |||
| Si > 5% | 10c | ○○○ | |||
| Synthetic materialsEngineering plastics | Thermoplastic | 11a | ○○○ | ||
| Thermoset | 11b | ○○○ | |||
| Composite materialsReinforced composites | Glass fiber / GFK | 12a | ○○○ | ||
| Carbon fiber / KFK | 12b | ○○○ | |||
| Precious metalsGold, platinum, silver | Gold | 13a | ●●○ | Calculate | |
| Platinum | 13b | ●○○ | Calculate |
Dimensions
| D (Ø / d.01) | 2.5 mm |
| d (h5) | 3 mm |
| L total | 38 mm |
| l1 usable | 4 mm |
| l3 | - |
| R | - |
| e | - |
| Z flutes | 3 |
| Chamfer K | 0.2 |
| w° collision | 3° |
Scan for EziCut