Micro-Endmill Z4

Name: Micro-Endmill Z4
Brand: Eskenazi
SKU: 21111A-0.4
Price: 48.40 CHF
Availability: InStock

E2A E25UF — 4 flutes, sharp corner, Ø 0.4 mm

Swiss Made

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Top view

SUBMICRON GRAIN GRADE High-speed machining of abrasive materials

Variable helix angles 35° - 38° and cutting angle 10°

Sharp edge

Side and center cut

Cutting edge length 1.5xD

Fitting length short

Irregular toothing

Variable helix angles

Specifications

Dimensions

Product dimensions
Diameter (D)	0.4 mm
Shank diameter (d)	3 mm (h5)
Overall length (L)	38 mm
Cutting length (l1)	0.6 mm
Number of flutes (Z)	4
w° collision angle	12°

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
Material	Specification	Grp	21111A-0.4	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	●●● 3/3	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	●○○ 1/3	Calculate
	57–67 HRC	3b	○○○ 0/3
Exotic materialsSpecial alloys	< 32 HRC	4a	●●○ 2/3	Calculate
	> 32 HRC	4b	●●○ 2/3	Calculate
GraphiteIndustrial graphite		5	●●○ 2/3	Calculate
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	●●○ 2/3	Calculate
	Rm > 1000 N/mm²	8b	●●○ 2/3	Calculate
Copper, brass, bronzeCopper-based	Rm < 850 N/mm²	9a	●○○ 1/3	Calculate
	Rm > 850 N/mm²	9b	●○○ 1/3	Calculate
AluminumAluminum alloys	Si < 0.5%	10a	●○○ 1/3	Calculate
	0.5% < Si < 5%	10b	●○○ 1/3	Calculate
	Si > 5%	10c	●○○ 1/3	Calculate
Synthetic materialsEngineering plastics	Thermoplastic	11a	○○○ 0/3
	Thermoset	11b	○○○ 0/3
Composite materialsReinforced composites	Glass fiber / GFK	12a	●●○ 2/3	Calculate
	Carbon fiber / KFK	12b	●●○ 2/3	Calculate
Precious metalsGold, platinum, silver	Gold	13a	●○○ 1/3	Calculate
	Platinum	13b	●●○ 2/3	Calculate