Ref. 21105D-4-6
Super Finishing endmill
Endmill Z4
E2D E2 — 4 flutes, sharp corner, Ø 4 mm
Swiss Made
Profile view
Top view
E2 High Precision Tool Material
Cutting Angles ?40° ?18°
Chamfer Ø<6 Ø>6 90° 45°
Dual Direction Helical Drill Bit
2.2xD Depth for Tools
Standard Tool Wear Indicator
Specifications
Dimensions
| Diameter (D) | 4 mm |
| Shank diameter (d) | 6 mm (h5) |
| Overall length (L) | 57 mm |
| Cutting length (l1) | 2.8 × D = 11 mm |
| Number of flutes (Z) | 4 |
| w° collision | 4° |
Material & geometry
| Substrate | E2D |
| Nuance | E2 |
| Granulométrie | < 0.8 µm |
| Hardness | 1600 HV30 |
| Revêtement | D - EZI-DIAM |
Material compatibility
●●● Excellent (3/3)
●●○ Good (2/3)
●○○ Possible (1/3)
○○○ Not recommended
| Material | Specification | Grp | 21105D-4-6 | |
|---|---|---|---|---|
| Alloyed and non-alloyed steelsNon-alloyed steels | Rm < 450 N/mm² | 1a | ○○○ | |
| Rm 450–700 N/mm² | 1b | ○○○ | ||
| Rm 700–900 N/mm² | 1c | ○○○ | ||
| Rm > 1200 N/mm² | 1d | ○○○ | ||
| Stainless steelsStainless steels | Rm < 650 N/mm² | 2a | ○○○ | |
| Rm 650–950 N/mm² | 2b | ○○○ | ||
| Rm > 950 N/mm² | 2c | ○○○ | ||
| Hardened steelsHardened steels | 44–56 HRC | 3a | ○○○ | |
| 57–67 HRC | 3b | ○○○ | ||
| Exotic materialsSpecial alloys | < 32 HRC | 4a | ○○○ | |
| > 32 HRC | 4b | ○○○ | ||
| GraphiteIndustrial graphite | 5 | ●●● | ||
| Cast ironGrey / nodular cast iron | < 32 HRC | 6a | ○○○ | |
| > 32 HRC | 6b | ○○○ | ||
| TitaniumTitanium alloys | Rm < 600 N/mm² | 7a | ○○○ | |
| 600 < Rm N/mm² | 7b | ○○○ | ||
| Nickel alloysInconel, Hastelloy | Rm < 1000 N/mm² | 8a | ○○○ | |
| Rm > 1000 N/mm² | 8b | ○○○ | ||
| Copper, brass, bronzeCopper-based | Rm < 850 N/mm² | 9a | ●●○ | |
| Rm > 850 N/mm² | 9b | ●●○ | ||
| 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 | ●○○ | |
| Platinum | 13b | ●●● |
