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

Solid carbide E2 — 4 flutes, sharp corner, Ø 16 mm

Swiss Made

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E2 High Precision Tool Material

Tool Lambda Angle 0° Gamma 10°

Concave U-Groove Cutting Tool

Lateral Cutting Twist Drill Bit

Specifications

Dimensions

Material & geometry

●●● Excellent (3/3)

●●○ Good (2/3)

●○○ Possible (1/3)

○○○ Not recommended

Material	Specification	Grp	21740-16-R4
Alloyed and non-alloyed steelsNon-alloyed steels	Rm < 450 N/mm²	1a	●○○	Calculate
	Rm 450–700 N/mm²	1b	●○○	Calculate
	Rm 700–900 N/mm²	1c	●○○	Calculate
	Rm > 1200 N/mm²	1d	○○○
Stainless steelsStainless steels	Rm < 650 N/mm²	2a	●○○	Calculate
	Rm 650–950 N/mm²	2b	●○○	Calculate
	Rm > 950 N/mm²	2c	○○○
Hardened steelsHardened steels	44–56 HRC	3a	○○○
	57–67 HRC	3b	○○○
Exotic materialsSpecial alloys	< 32 HRC	4a	○○○
	> 32 HRC	4b	○○○
GraphiteIndustrial graphite		5	●○○	Calculate
Cast ironGrey / nodular cast iron	< 32 HRC	6a	○○○
	> 32 HRC	6b	○○○
TitaniumTitanium alloys	Rm < 600 N/mm²	7a	●○○	Calculate
	600 < Rm N/mm²	7b	●○○	Calculate
Nickel alloysInconel, Hastelloy	Rm < 1000 N/mm²	8a	○○○
	Rm > 1000 N/mm²	8b	○○○
Copper, brass, bronzeCopper-based	Rm < 850 N/mm²	9a	●●●	Calculate
	Rm > 850 N/mm²	9b	●●●	Calculate
AluminumAluminum alloys	Si < 0.5%	10a	●●●	Calculate
	0.5% < Si < 5%	10b	●●●	Calculate
	Si > 5%	10c	●○○	Calculate
Synthetic materialsEngineering plastics	Thermoplastic	11a	●●●	Calculate
	Thermoset	11b	●●●	Calculate
Composite materialsReinforced composites	Glass fiber / GFK	12a	●○○	Calculate
	Carbon fiber / KFK	12b	●○○	Calculate
Precious metalsGold, platinum, silver	Gold	13a	●●●	Calculate
	Platinum	13b	●○○	Calculate

A - EZI-ALPHA 3

All materials up to 56 HRC

Reference 21740A-16-R4

Dureté max. 3700 HV

T° max 1100°C

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