Roughing-Endmill-SC-E2-+-EZI-ALPHA-+l3-for-difficult-materials

E2A E2 — 4 flutes, sharp corner, Ø 20 mm

Swiss Made

Profile view

Top view

E2 High Precision Tool Material

Cutting Angles ?50° ?-12°

45° Chamfer Tolerance 0.005-0.03

Dual Direction Helical Drill Bit

1.5xD Depth Precision Tool

Three-Point Contact Tool

Standard Tool Wear Indicator

Adjustable Angle Icon

Specifications

Dimensions

Material & geometry

●●● Excellent (3/3)

●●○ Good (2/3)

●○○ Possible (1/3)

○○○ Not recommended

Material	Specification	Grp	21133A-20
Alloyed and non-alloyed steelsNon-alloyed steels	Rm < 450 N/mm²	1a	○○○
	Rm 450–700 N/mm²	1b	○○○
	Rm 700–900 N/mm²	1c	●○○	Calculate
	Rm > 1200 N/mm²	1d	●●●	Calculate
Stainless steelsStainless steels	Rm < 650 N/mm²	2a	○○○
	Rm 650–950 N/mm²	2b	●○○	Calculate
	Rm > 950 N/mm²	2c	●●○	Calculate
Hardened steelsHardened steels	44–56 HRC	3a	●●●	Calculate
	57–67 HRC	3b	●●○	Calculate
Exotic materialsSpecial alloys	< 32 HRC	4a	●●●	Calculate
	> 32 HRC	4b	●●●	Calculate
GraphiteIndustrial graphite		5	○○○
Cast ironGrey / nodular cast iron	< 32 HRC	6a	●○○	Calculate
	> 32 HRC	6b	●○○	Calculate
TitaniumTitanium alloys	Rm < 600 N/mm²	7a	●○○	Calculate
	600 < Rm N/mm²	7b	●○○	Calculate
Nickel alloysInconel, Hastelloy	Rm < 1000 N/mm²	8a	●●●	Calculate
	Rm > 1000 N/mm²	8b	●●●	Calculate
Copper, brass, bronzeCopper-based	Rm < 850 N/mm²	9a	○○○
	Rm > 850 N/mm²	9b	○○○
AluminumAluminum alloys	Si < 0.5%	10a	○○○
	0.5% < Si < 5%	10b	○○○
	Si > 5%	10c	○○○
Synthetic materialsEngineering plastics	Thermoplastic	11a	○○○
	Thermoset	11b	○○○
Composite materialsReinforced composites	Glass fiber / GFK	12a	○○○
	Carbon fiber / KFK	12b	○○○
Precious metalsGold, platinum, silver	Gold	13a	○○○
	Platinum	13b	○○○