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Ref. 21102-7-8
Finishing endmill

Endmill Z4

Solid carbide E2 — 4 flutes, sharp corner, Ø 7 mm
Swiss Made
SUBMICRON GRAIN GRADE High-speed machining of abrasive materials
SUBMICRON GRAIN GRADE High-speed machining of abrasive materials
Variable helix angles 35° and cutting angle 10°
Variable helix angles 35° and cutting angle 10°
Sharp edge Ø≤6 and chamfer at 45° Ø>6
Sharp edge Ø≤6 and chamfer at 45° Ø>6
Side and center cut
Side and center cut
Cutting edge length 2.2xD
Cutting edge length 2.2xD
Fitting length standard
Fitting length standard

Specifications

Dimensions
Product dimensions
Diameter (D) 7 mm
Shank diameter (d) 8 mm (h5)
Overall length (L) 63 mm
Cutting length (l1) 16 mm
Number of flutes (Z) 4
w° collision angle 1.7°
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 21102-7-8 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 ○○○ 0/3
600 < Rm N/mm² 7b ○○○ 0/3
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 ●●○ 2/3 Calculate
Rm > 850 N/mm² 9b ●●○ 2/3 Calculate
AluminumAluminum alloys Si < 0.5% 10a ●●○ 2/3 Calculate
0.5% < Si < 5% 10b ●●○ 2/3 Calculate
Si > 5% 10c ○○○ 0/3
Synthetic materialsEngineering plastics Thermoplastic 11a ●●○ 2/3 Calculate
Thermoset 11b ●●○ 2/3 Calculate
Composite materialsReinforced composites Glass fiber / GFK 12a ●○○ 1/3 Calculate
Carbon fiber / KFK 12b ●○○ 1/3 Calculate
Precious metalsGold, platinum, silver Gold 13a ●●○ 2/3 Calculate
Platinum 13b ○○○ 0/3

Available coatings

A - EZI-ALPHA 3
All materials up to 56 HRC
Reference 21102A-7-8
Max. hardness 3700 HV
T° max 1100°C
Stock in stock
Price
Endmill Z4 21102-7-8
In stock
Shipping within 24-48h
Other Ø and coatings ↓

Dimensions

Product dimensions
D (Ø / d.01)7 mm
d (h5)8 mm
L total63 mm
l1 usable16 mm
Z flutes4
Chamfer K0.1
w° collision angle1.7°
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