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Ref. 21093-2.0
Ball nose endmill

Ball-Nose-Micro-Endmill Z2

Solid carbide E25UF — 2 flutes, radius R1, Ø 2 mm
Swiss Made
ULTRAFINE GRADE High-end grade with very high hardness and toughness for micro-machining
ULTRAFINE GRADE High-end grade with very high hardness and toughness for micro-machining
Helix angle 30° and cutting angle 10°
Helix angle 30° and cutting angle 10°
Hemispherical shape
Hemispherical shape
Side and center cut
Side and center cut
Cutting edge length 1.5xD
Cutting edge length 1.5xD
Cutting length 5xD
Cutting length 5xD
Fitting length standard
Fitting length standard

Specifications

Dimensions
Product dimensions
Diameter (D) 2 mm
Shank diameter (d) 3 mm (h5)
Overall length (L) 38 mm
Cutting length (l1) 3 mm
Number of flutes (Z) 2
Radius (R) 1 mm
Length (L3) 10 mm
w° collision angle 2.5°
Material & geometry
Product material and geometry
Grade E25UF
Grain size < 0.4 µm
Hardness 1750 HV30
Coating Uncoated (raw)

Material compatibility

●●● Excellent (3/3)
●●○ Good (2/3)
●○○ Possible (1/3)
○○○ Not recommended
Product material compatibility
Category Material Specification Grp 21093-2.0 Actions
Alloyed and non-alloyed steelsNon-alloyed steels Rm < 450 N/mm² 1a ●○○ 1/3 Calculate
Rm 450–700 N/mm² 1b ○○○ 0/3
Rm 700–900 N/mm² 1c ○○○ 0/3
Rm > 1200 N/mm² 1d ○○○ 0/3
Stainless steelsStainless steels Rm < 650 N/mm² 2a ○○○ 0/3
Rm 650–950 N/mm² 2b ○○○ 0/3
Rm > 950 N/mm² 2c ○○○ 0/3
Hardened steelsHardened steels 44–56 HRC 3a ○○○ 0/3
57–67 HRC 3b ○○○ 0/3
Exotic materialsSpecial alloys < 32 HRC 4a ○○○ 0/3
> 32 HRC 4b ○○○ 0/3
GraphiteIndustrial graphite 5 ●○○ 1/3 Calculate
Cast ironGrey / nodular cast iron < 32 HRC 6a ○○○ 0/3
> 32 HRC 6b ○○○ 0/3
TitaniumTitanium alloys Rm < 600 N/mm² 7a ●○○ 1/3 Calculate
600 < Rm N/mm² 7b ●○○ 1/3 Calculate
Nickel alloysInconel, Hastelloy Rm < 1000 N/mm² 8a ○○○ 0/3
Rm > 1000 N/mm² 8b ○○○ 0/3
Copper, brass, bronzeCopper-based Rm < 850 N/mm² 9a ●●● 3/3 Calculate
Rm > 850 N/mm² 9b ●●● 3/3 Calculate
AluminumAluminum alloys Si < 0.5% 10a ●●● 3/3 Calculate
0.5% < Si < 5% 10b ●●● 3/3 Calculate
Si > 5% 10c ○○○ 0/3
Synthetic materialsEngineering plastics Thermoplastic 11a ●●● 3/3 Calculate
Thermoset 11b ●●● 3/3 Calculate
Composite materialsReinforced composites Glass fiber / GFK 12a ●○○ 1/3 Calculate
Carbon fiber / KFK 12b ●○○ 1/3 Calculate
Precious metalsGold, platinum, silver Gold 13a ●●● 3/3 Calculate
Platinum 13b ○○○ 0/3

Available coatings

A - EZI-ALPHA 3
All materials up to 56 HRC
Reference 21093A-2.0
Max. hardness 3700 HV
T° max 1100°C
Stock in stock
Price
Ball-Nose-Micro-Endmill Z2 21093-2.0
In stock
Shipping within 24-48h
Other Ø and coatings ↓

Dimensions

Product dimensions
D (Ø / d.01)2 mm
d (h5)3 mm
L total38 mm
l1 usable3 mm
l310 mm
R1 mm
Z flutes2
w° collision angle2.5°
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