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Ref. 21525A-12
Roughing endmill

Roughing-Endmill-fine-profile-SC-E2-+-EZI-ALPHA

E2A E2 — 4 flutes, sharp corner, Ø 12 mm
Swiss Made
SUBMICRON GRAIN GRADE High-speed machining of abrasive materials
SUBMICRON GRAIN GRADE High-speed machining of abrasive materials
Variable helix angles 45° - 47° and cutting angle 15°
Variable helix angles 45° - 47° and cutting angle 15°
Chamfer at 45°
Chamfer at 45°
Side and center cut
Side and center cut
Cutting edge length 1.2xD
Cutting edge length 1.2xD
Cutting length
Cutting length
Fitting length short
Fitting length short
Irregular toothing
Irregular toothing
Variable helix angles
Variable helix angles

Specifications

Dimensions
Product dimensions
Diameter (D) 12 mm
Shank diameter (d) 12 mm (h5)
Overall length (L) 73 mm
Cutting length (l1) 15 mm
Number of flutes (Z) 4
Length (L3) 24 mm
Material & geometry
Product material and geometry
Grade E2
Grain size < 0.8 µm
Hardness 1600 HV30
Coating A - EZI-ALPHA 3

Material compatibility

●●● Excellent (3/3)
●●○ Good (2/3)
●○○ Possible (1/3)
○○○ Not recommended
Product material compatibility
Category Material Specification Grp 21525A-12 Actions
Alloyed and non-alloyed steelsNon-alloyed steels Rm < 450 N/mm² 1a ●●● 3/3 Calculate
Rm 450–700 N/mm² 1b ●●● 3/3 Calculate
Rm 700–900 N/mm² 1c ●●● 3/3 Calculate
Rm > 1200 N/mm² 1d ●○○ 1/3 Calculate
Stainless steelsStainless steels Rm < 650 N/mm² 2a ●●● 3/3 Calculate
Rm 650–950 N/mm² 2b ●●● 3/3 Calculate
Rm > 950 N/mm² 2c ●●● 3/3 Calculate
Hardened steelsHardened steels 44–56 HRC 3a ○○○ 0/3
57–67 HRC 3b ○○○ 0/3
Exotic materialsSpecial alloys < 32 HRC 4a ●○○ 1/3 Calculate
> 32 HRC 4b ●○○ 1/3 Calculate
GraphiteIndustrial graphite 5 ○○○ 0/3
Cast ironGrey / nodular cast iron < 32 HRC 6a ●●● 3/3 Calculate
> 32 HRC 6b ●●● 3/3 Calculate
TitaniumTitanium alloys Rm < 600 N/mm² 7a ●●● 3/3 Calculate
600 < Rm N/mm² 7b ●●● 3/3 Calculate
Nickel alloysInconel, Hastelloy Rm < 1000 N/mm² 8a ●○○ 1/3 Calculate
Rm > 1000 N/mm² 8b ●○○ 1/3 Calculate
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 ○○○ 0/3
0.5% < Si < 5% 10b ○○○ 0/3
Si > 5% 10c ○○○ 0/3
Synthetic materialsEngineering plastics Thermoplastic 11a ○○○ 0/3
Thermoset 11b ○○○ 0/3
Composite materialsReinforced composites Glass fiber / GFK 12a ○○○ 0/3
Carbon fiber / KFK 12b ○○○ 0/3
Precious metalsGold, platinum, silver Gold 13a ●●● 3/3 Calculate
Platinum 13b ●●○ 2/3 Calculate

Available coatings

Roughing-Endmill-fine-profile-SC-E2-+-EZI-ALPHA 21525A-12
In stock
Shipping within 24-48h
Other Ø and coatings ↓

Dimensions

Product dimensions
D (Ø / d.01)12 mm
d (h5)12 mm
L total73 mm
l1 usable15 mm
l324 mm
Z flutes4
Chamfer K0.4
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