2-Flute ZrN Coated Carbide Ball Nose End Mill | VHM | VELOCITY

Kortools

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Ø1xR0.5x4Dx50L

Ø1.5xR0.75x4Dx50L

Ø2xR1x4Dx50L

Ø2.5xR1.25x4Dx50L

Ø3xR1.5x3Dx50L

Ø3xR1.5x4Dx50L

Ø3.5xR1.75x4Dx50L

Ø4xR2x4Dx50L

Ø5xR2.5x5Dx50L

Ø5xR2.5x6Dx50L

Ø6xR3x6Dx50L

Ø8xR4x8Dx60L

Ø4xR2x4Dx75L

Ø5xR2.5x5Dx75L

Ø6xR3x6Dx75L

Ø8xR4x8Dx75L

Ø10xR5x10Dx75L

Ø12xR6x12Dx75L

Ø1xR0.5x3Dx100L

Ø4xR2x4Dx100L

Ø6xR3x6Dx100L

Ø8xR4x8Dx100L

Ø10xR5x10Dx100L

Ø12xR6x12Dx100L

Ø6xR3x6Dx150L

Ø8xR4x8Dx150L

Ø10xR5x10Dx150L

Ø12xR6x12Dx150L

Ø14xR7x14Dx150L

Ø16xR8x16Dx150L

Ø20xR10x20Dx150L

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Product description

VELOCITY · 2-flute ZrN-coated solid carbide ball nose end mill

Ball nose geometry · solid carbide · cylindrical shank

VELOCITY is a two-flute ball nose end mill made from solid carbide (VHM) with a ZrN coating. Its rounded end is used for milling three-dimensional, shaped and radiused surfaces. The helical cutting section joins a cylindrical shank for mounting in a tool holder.

1. Applications

Ball nose end mills are used for 3D contours, mould and die surfaces, and radiused features. Select the ball radius for the part shape and required surface geometry. The tool is intended for CNC milling machines and machining centres.

2. Construction and specifications

Parameter	Value
Series	VELOCITY
Type	Ball nose shank end mill
Tool material	VHM — solid carbide
Number of flutes	2
Coating	ZrN
Shank	Cylindrical
Ball radius	R0.5–R10 mm, depending on size
Cutting diameter	Ø1–Ø20 mm, depending on size
Overall lengths	50, 60, 75, 100 and 150 mm, depending on size

These ranges describe the product family. Not every diameter is offered in every length. Check shank diameter and flute length on the card for the selected size.

3. Ball nose geometry and radius R

Radius R is half the cutting diameter. For example, R3 identifies a ball radius of 3 mm and a cutting diameter of Ø6 mm. R and Ø describe different dimensions and must not be interchanged when selecting the tool or entering tool data in CAM software.

4. Coating and tool material

The tool has a ZrN coating, while its body and cutting section are made from solid carbide (VHM). Coating is one tool characteristic; cutting conditions also depend on workpiece material, diameter, overhang and the operation.

5. Workpiece materials

Material group	Selection considerations
Steel	Grade, material condition and type of pass.
Alloy steel	Composition and heat treatment condition of the specific alloy.
Stainless steel	Material grade and cutting conditions.
Cast iron	Cast iron grade and required surface shape.

Tool selection for a specific job should account for the actual material and its condition. The coating designation alone does not specify spindle speed, feed or permissible depth of cut.

6. How to read the size designation

Example: Ø6xR3x6Dx50L identifies four dimensions in millimetres:

Code	Meaning	Value
Ø6	Cutting diameter	6 mm
R3	Ball radius	3 mm
6D	Shank diameter	6 mm
50L	Overall length	50 mm

Flute length is stated separately on the size card. It is 12 mm in this example. It is not included in 50L, which identifies the length of the entire tool, including the shank. The dot in a size code is a decimal separator: R0.5 means a radius of 0.5 mm.

7. Choosing the size and mounting the tool

First select ball radius and cutting diameter, then check flute length, shank diameter and overall length. Match the collet or holder to the shank. Account for access to the machining area, actual tool extension and clearance around the holder.

The photographs on the cards are illustrative. Use the stated dimensions to select the size and prepare the program. Overall length is neither permissible cutting depth nor flute length.