2-Flute TiSiN End Mill | VHM | Miniature Ø0.3 - Ø0.9

Kortools

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Ø0.3x2Lx4Dx50Lx2T

Ø0.3x3Lx4Dx50Lx2T

Ø0.3x4Lx4Dx50Lx2T

Ø0.4x2Lx4Dx50Lx2T

Ø0.4x3Lx4Dx50Lx2T

Ø0.4x4Lx4Dx50Lx2T

Ø0.4x5Lx4Dx50Lx2T

Ø0.4x6Lx4Dx50Lx2T

Ø0.5x2Lx4Dx50Lx2T

Ø0.5x3Lx4Dx50Lx2T

Ø0.5x4Lx4Dx50Lx2T

Ø0.5x6Lx4Dx50Lx2T

Ø0.5x8Lx4Dx50Lx2T

Ø0.6x2Lx4Dx50Lx2T

Ø0.6x3Lx4Dx50Lx2T

Ø0.6x4Lx4Dx50Lx2T

Ø0.6x6Lx4Dx50Lx2T

Ø0.6x8Lx4Dx50Lx2T

Ø0.7x3Lx4Dx50Lx2T

Ø0.7x4Lx4Dx50Lx2T

Ø0.7x6Lx4Dx50Lx2T

Ø0.7x8Lx4Dx50Lx2T

Ø0.7x10Lx4Dx50Lx2T

Ø0.8x3Lx4Dx50Lx2T

Ø0.8x4Lx4Dx50Lx2T

Ø0.8x6Lx4Dx50Lx2T

Ø0.8x8Lx4Dx50Lx2T

Ø0.8x10Lx4Dx50Lx2T

Ø0.9x3Lx4Dx50Lx2T

Ø0.9x4Lx4Dx50Lx2T

Ø0.9x6Lx4Dx50Lx2T

Ø0.9x8Lx4Dx50Lx2T

Ø0.9x10Lx4Dx50Lx2T

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Product description

TiSiN solid carbide end mill · 2 flutes · Ø0.3–0.9 mm

For small features, slots and side milling · Ø4 mm shank · 50 mm overall length

A TiSiN-coated solid carbide end mill with 2 cutting edges for milling small features in steel, stainless steel and cast iron. The Ø0.3–0.9 mm diameter range lets you select a tool for fine details in the workpiece.

Every tool in this family has a 4 mm shank and a 50 mm overall length. Variants differ in cutting diameter and length of cut. Check these two dimensions together when selecting the cutting section for your operation.

1. Workpiece materials and applications

Select the tool for the specific material grade, hardness and workpiece geometry. With small diameters, spindle capability, tool holding and actual stick-out also matter.

Workpiece material	Selection considerations
Steel	Check the grade and material condition, including heat treatment. The general term “steel” alone is insufficient to select cutting conditions.
Stainless steel	Match cutting conditions to the particular grade and operation. Keep chips moving away from the cutting zone.
Cast iron	Account for the type of cast iron and workpiece clamping rigidity. Select a tool size that fits the available space and required geometry.

2. Tool construction and specifications

The designation 2T identifies the number of flutes. The cutting diameter is smaller than the shank diameter; select the holder for the 4 mm shank regardless of the cutting diameter.

Parameter	Value
Tool type	Solid end mill
Tool material	VHM — solid carbide
Coating	TiSiN
Number of flutes	2 — designated 2T / Z2
Cutting diameter	Ø0.3–0.9 mm, depending on the variant
Length of cut	2–10 mm, depending on the variant
Shank diameter	4 mm
Overall length	50 mm
Shank type	Cylindrical

The selected variant shows its exact combination of cutting diameter and length of cut. The ranges above describe the tool family; they do not mean that every diameter is available with every cutting length.

3. Milling operations

Operation	Selecting for the job
Side milling	Machining walls and side surfaces. Compare the required machining height with the length of cut and check clearance for the shank and holder.
Slot milling	Machining narrow slots. Match the diameter to the slot width and select the depth per pass for the tool load and chip evacuation conditions.
Small flat surfaces	Milling local surfaces within the capabilities of the tool geometry. Match the toolpath and stock allowance to the cutting diameter.

Length of cut is not a recommendation to engage the full cutting length in one pass. Select axial and radial engagement separately for the material and rigidity of the complete setup.

4. How to select a variant

Choose the cutting diameter. Check slot width, clearance at walls and workpiece geometry. Avoid choosing a smaller tool unless the feature requires it.
Select the length of cut. Use the shortest cutting section that provides the required access. A longer cutting section requires closer attention to cutting load.
Check access and tool holding. Account for the transition to the shank, tool stick-out and clearance between the holder and workpiece. The shank diameter is 4 mm.
Compare the complete designation with the dimension card. Check all dimensions after selecting a variant. The selector shows current size combinations, price and availability.

50 mm is the overall tool length, not the milling depth. Length of cut is specified separately. The reach after clamping also depends on how far the tool extends from the holder.

5. Understanding the size designation

Example: Ø0.3x2Lx4Dx50Lx2T. All dimensions in the designation are in millimetres.

Designation element	Meaning	Value in the example
Ø0.3	Cutting diameter	0.3 mm
2L	Length of cut — second dimension	2 mm
4D	Shank diameter	4 mm
50L	Overall length	50 mm
2T	Number of flutes	2

The letter L appears twice: in the second dimension it denotes length of cut, while 50L denotes overall length. The D after 4 identifies the shank diameter.

Variant cards show an illustrative photograph with labelled dimensions. Select by the numerical dimensions; image proportions are not a scale drawing of the tool.

6. Tool holding and small-diameter milling

With small diameters, even slight runout or excessive stick-out can noticeably change the load on the cutting edges. Preparing the tool, holder and spindle is an important part of setting up the operation.

Check runout with the tool mounted. Use a method suitable for the delicate cutting section and keep clamping surfaces clean.
Minimise stick-out. Extend the tool only as far as the operation requires while maintaining correct shank engagement in the holder.
Control chip evacuation. Avoid chip accumulation and recutting inside a slot. Match cooling and chip removal to the material and operation.
Select cutting conditions for this diameter. Do not transfer speeds and feeds directly from a larger tool. Also account for flute count, cutting length and toolpath.
Investigate irregular cutting. If vibration, unusual noise or poor surface finish develops, stop and inspect the cutting edges, clamping and cutting conditions.

For help selecting cutting conditions, provide the material grade and hardness, full tool size, operation, stick-out and spindle speed range. The TiSiN coating alone does not define a universal spindle speed or feed rate.

7. What you are ordering

Item	Selection
Sales unit	1 TiSiN-coated solid carbide end mill with 2 flutes
Size	The variant selected on the product page

The quantity field specifies the number of individual tools in the chosen size. Before adding to the basket, compare the designation with the dimension card. Photographs showing several tools illustrate the product family.

8. Frequently asked questions

What do 2T and Z2 mean?

Both identify the flute count: this end mill has 2 cutting edges. They do not specify a workpiece material or package quantity.

Which collet or holder diameter should I choose?

Select the clamping arrangement for the 4 mm shank and follow the holder requirements. The cutting diameter at the beginning of the designation is smaller than the shank diameter.

Does a longer cutting section mean a longer tool?

The overall length is 50 mm throughout this family. Tools with the same cutting diameter can have different lengths of cut, so check the second dimension in the designation.

How do I choose spindle speed and feed rate?

Consider the material and hardness, diameter, flute count, operation and clamping rigidity. Provide the full variant designation and machine setup when requesting cutting advice.