2-flute ball nose end mill with reinforced tapered neck

Ball nose end mill with reinforced tapered neck for copy milling and finishing of deep cavities with drafted walls: more rigidity, less vibration, up to 65 HRC.

ISO P

ISO M

ISO K

ISO N

ISO H

Ball nose

Ø 0.5 – 3 mm

Tapered neck

Up to 65 HRC

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Also custom made

Sizes, steps and geometries to drawing

Carbide and coatings

Rod and coating chosen for your material

Technical support

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For stock orders throughout Italy

Description

Technical drawing

Features

Geometry	Ball nose (R = D/2), 2 flutes
Neck	Reinforced tapered: starts just below the cutting diameter and widens with a 0.5° to 2° taper up to the collar. It follows the wall draft and is more rigid than a cylindrical neck.
Diameters	Ø 0.5 – 3 mm in tight tolerance; intermediate diameters and above Ø3 custom made
Usable length	from 2 to 45 mm (up to 15 times the diameter)
Helix	30°, right-hand cut
Shank	Ø 6 h6 with tapered collar
Materials	Mould steels, quenched and tempered and hardened steels up to 65 HRC, stainless steels, cast irons, copper and aluminium
Construction	Ultra-fine grain solid carbide, coating chosen for the material (high-silicon coating for hardened steels)

Available sizes

Ø D	l cutting	Ø d1 neck	l1 usable	Radius	Taper α	Ø d shank	L overall
Ø 0,5	0,35	0,45	2 – 14	R 0,25	0,5° · 1° · 1,5° · 2°	6	50
Ø 0,6	0,4	0,55	2 – 15	R 0,3	0,5° · 1° · 1,5° · 2°	6	50
Ø 0,8	0,5	0,75	4 – 20	R 0,4	0,5° · 1° · 1,5° · 2°	6	50 · 60
Ø 1	0,8	0,95	8 – 35	R 0,5	0,5° · 1° · 1,5° · 2°	6	60 · 78
Ø 1,2	1	1,15	10 – 40	R 0,6	0,5° · 1° · 1,5° · 2°	6	60 · 78
Ø 1,5	1,35	1,45	10 – 40	R 0,75	0,5° · 1° · 1,5° · 2°	6	60 · 78
Ø 2	1,7	1,9	10 – 45	R 1	0,5° · 1° · 1,5° · 2°	6	60 · 78
Ø 2,5	2,1	2,4	10 – 45	R 1,25	0,5° · 1° · 1,5° · 2°	6	60 · 78
Ø 3	2,5	2,9	10 – 45	R 1,5	0,5° · 1° · 1,5° · 2°	6	60 · 78

Dimensions in mm. For each diameter the usable lengths shown are available in 1 – 5 mm steps with four neck tapers. Other combinations, special radii and intermediate diameters custom made.

Why a tapered neck

Mould walls almost always have a draft: the tapered neck follows it and reaches the bottom without touching the wall.
For the same usable length the cross-section grows towards the shank: the tool deflects less, vibrates less and leaves a better finish.
Choose the taper closest to the draft of your walls: more taper, more rigidity.

Coatings and carbide

All coatings are available on this tool, also in custom versions: