DoubleHelix 4D (F8420)
4 Flute Square End Finisher

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On stock

Features

Alternate Helix 39°/40°
Chamfer 45°
Eccentric Relief
Extremely Enhanced Core Size and Robust Teeth
PVD Coated
Unequal Indexing

Application

Finishing of shoulders where fine surface finish and/or squareness, parallelism or straightness are required
Recommended for CNC and conventional machine tools

Annotation

Alternate helix dampens vibrations
Limited width of cut ae=max. 0.25xD
Not suitable for slotting

Overview of sizes

Order number	D1	D2	L1	L2	Z	EDP
F8420.6.V6.70.24.Z4	6	6	70	24	4	UC-11075	Inquire
F8420.8.V8.80.32.Z4	8	8	80	32	4	UC-11076	Inquire
F8420.10.V10.90.40.Z4	10	10	90	40	4	UC-11077	Inquire
F8420.12.V12.100.48.Z4	12	12	100	48	4	UC-10995	Inquire
F8420.14.V14.110.56.Z4	14	14	110	56	4	UC-10996	Inquire
F8420.18.V18.140.72.Z4	18	18	140	72	4	UC-10998	Inquire
F8420.20.V20.165.80.Z4	20	20	165	80	4	UC-10999	Inquire
F8420.16.V16.130.64.Z4	16	16	130	64	4	UC-10997	Inquire

Legend

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