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Ref. 21740-6-R0.9
Corner rounding endmill

Form-Relieved-Corner-Rouding-Tool-SC-E2

Solid carbide E2 — 4 flutes, sharp corner, Ø 6 mm
Swiss Made
SUBMICRON GRAIN GRADE High-speed machining of abrasive materials
SUBMICRON GRAIN GRADE High-speed machining of abrasive materials
Helix angle 0° and cutting angle 10°
Helix angle 0° and cutting angle 10°
Concave radius form
Concave radius form
Side only cut
Side only cut

Specifications

Dimensions
Product dimensions
Diameter (D) 6 mm
Shank diameter (d) 6 mm (h5)
Overall length (L) 57 mm
Cutting length (l1) 0.9 mm
Number of flutes (Z) 4
Thickness (e) 3.2 mm
Material & geometry
Product material and geometry
Grade E2
Grain size < 0.8 µm
Hardness 1600 HV30
Coating Uncoated (raw)

Material compatibility

●●● Excellent (3/3)
●●○ Good (2/3)
●○○ Possible (1/3)
○○○ Not recommended
Product material compatibility
Category Material Specification Grp 21740-6-R0.9 Actions
Alloyed and non-alloyed steelsNon-alloyed steels Rm < 450 N/mm² 1a ●○○ 1/3 Calculate
Rm 450–700 N/mm² 1b ●○○ 1/3 Calculate
Rm 700–900 N/mm² 1c ●○○ 1/3 Calculate
Rm > 1200 N/mm² 1d ○○○ 0/3
Stainless steelsStainless steels Rm < 650 N/mm² 2a ●○○ 1/3 Calculate
Rm 650–950 N/mm² 2b ●○○ 1/3 Calculate
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 ●○○ 1/3 Calculate
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 ●○○ 1/3 Calculate

Available coatings

A - EZI-ALPHA 3
All materials up to 56 HRC
Reference 21740A-6-R0.6
Max. hardness 3700 HV
T° max 1100°C
Stock in stock
Price
Form-Relieved-Corner-Rouding-Tool-SC-E2 21740-6-R0.9
In stock
Shipping within 24-48h
Other Ø and coatings ↓

Dimensions

Product dimensions
D (Ø / d.01)6 mm
d (h5)6 mm
L total57 mm
l1 usable0.9 mm
e3.2 mm
Z flutes4
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