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3-Flute DLC Coated Carbide End Mill | TriMill DLC AL

Kortools

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Ø1x3x4Dx50L

Ø1.5x5x4Dx50L

Ø2x6x4Dx50L

Ø2.5x8x4Dx50L

Ø3x8x3Dx50L

Ø3x9x4Dx50L

Ø4x12x4Dx50L

Ø5x15x5Dx50L

Ø5x15x6Dx50L

Ø6x18x6Dx50L

Ø8x24x8Dx60L

Ø10x30x10Dx75L

Ø12x35x12Dx75L

Ø14x45x14Dx100L

Ø16x45x16Dx100L

Ø18x45x18x100L

Ø20x45x20Dx100L

Ø3x12x3Dx75L

Ø4x16x4Dx75L

Ø5x18x5Dx75L

Ø6x25x6Dx75L

Ø8x30x8Dx75L

Ø4x20x4Dx100L

Ø5x30x5Dx100L

Ø6x30x6Dx100L

Ø8x35x8Dx100L

Ø10x40x10Dx100L

Ø12x45x12Dx100L

Ø6x45x6Dx150L

Ø8x50x8Dx150L

Ø10x55x10Dx150L

Ø12x55x12Dx150L

Ø14x70x14Dx150L

Ø16x80x16Dx150L

Ø18x80x18Dx150L

Ø20x80x20Dx150L

Ø6x50x6Dx200L

Ø8x60x8Dx200L

Ø10x65x10Dx200L

Ø12x70x12Dx200L

Ø14x80x14Dx200L - Out of stock

Ø16x85x16Dx200L - Out of stock

Ø20x90x20Dx200L - Out of stock

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Product description

TriMill DLC AL · 3-flute solid carbide end mill

For aluminium and its alloys · Ø1–20 mm cutting diameters · 50–200 mm overall lengths

TriMill DLC AL is a monolithic solid carbide end mill with three flutes and a DLC coating, designed for milling aluminium and its alloys. The range includes small diameters for fine features as well as larger and extended variants for walls, slots and pockets.

Select the variant by four dimensions: cutting diameter, cutting length, shank diameter and overall length. Check the complete designation: the same cutting diameter may be offered with a different shank or cutting length.

1. Materials and applications

Material / task	Selection guidance
Aluminium and aluminium alloys	Set cutting conditions for the specific alloy, its condition and the operation. Provide effective chip evacuation and appropriate coolant or lubrication.
Fine workpiece features	Small diameters allow narrow slots and small internal corners. Consider tool runout and the spindle speed range.
Recessed surfaces	An extended variant can improve access. Check cutting length, tool overhang and clearance for the shank and holder.

The AL designation identifies this family for aluminium. Other workpiece materials require a separate tool selection for the material grade and machining conditions.

2. Tool construction and specifications

Parameter	Value
Tool type	Monolithic end mill
Tool material	VHM — solid carbide
Coating	DLC
Number of flutes	3 — designated 3T / Z3
Cutting diameter	Ø1–20 mm, depending on the variant
Cutting length	3–90 mm, depending on the variant
Shank diameter	Ø3–20 mm, depending on the variant
Overall length	50–200 mm, depending on the variant
Shank	Cylindrical

These ranges describe the tool family. Not every diameter is available with every length. The selected variant and its card show the exact dimension combination.

3. Machining operations

Operation	Selection guidance
Side and contour milling	Match the cutting diameter to the part geometry and the cutting length to the wall height. Check shank clearance.
Slot milling	Consider slot width, chip evacuation and tool load. Set the depth per pass for the workpiece material and system rigidity.
Pocket machining	Plan the entry method and toolpath for the available space. Prevent chip accumulation and recutting.
Small flat surfaces	Match stepover and stock allowance to the tool diameter and required surface finish.

Cutting length is not a recommended depth for one pass. Axial and radial engagement must be selected separately for the material, overhang, workholding and machine capabilities.

4. How to select a variant

Select the cutting diameter. Consider slot width, internal corner radii and the available space.
Check the cutting length. Choose the shortest cutting section that can complete the operation.
Select the overall tool length. Use an extended tool when access requires it. Additional overhang reduces rigidity and may require a lower cutting load.
Match the holder to the shank. The shank diameter is not always equal to the cutting diameter. Use the value identified by D when selecting a collet or holder.
Compare the full designation. The variant selector shows current dimension combinations, prices and availability.

5. How to read the dimensions

Example: Ø1x3x4Dx50L. All dimensional values are in millimetres.

Designation element	Meaning	Example value
Ø1	Cutting diameter	1 mm
3	Cutting length — the second dimension	3 mm
4D	Shank diameter	4 mm
50L	Overall length	50 mm

3T or Z3 denotes three flutes. It does not specify cutting length or the number of tools in the order.

50 mm, 100 mm or 200 mm is the overall tool length. Reach after clamping is shorter and depends on the clamping length. Also check cutting length and workpiece geometry when assessing machining depth.

Variant cards show the tool and labelled dimensions. Select the size from the numerical values; the photograph is not a scale drawing.

6. Clamping and cutting conditions

Keep clamping surfaces clean. Check the holder and shank condition, and seat the tool according to the holder requirements.
Minimise runout and overhang. This is particularly important for small diameters and extended variants. Use only the projection needed for the operation.
Provide effective chip evacuation. Match coolant or lubrication to the aluminium alloy and machine. Check for chip accumulation in pockets and slots.
Select parameters for the complete setup. Consider the alloy, cutting diameter, three flutes, cutting length, overhang, operation and workholding rigidity.
Respond to vibration and poor surface finish. Stop machining and check cutting edges, clamping, chip evacuation and tool load.

For spindle speed and feed selection, provide the full tool size, material grade, operation, axial and radial engagement and tool overhang. The DLC designation alone does not define one parameter set for every variant.

7. What you receive

Item	Order contents
Unit of sale	1 TriMill DLC AL 3-flute end mill
Size	The variant selected in the product selector

The quantity field sets the number of tools of the selected size. Images showing several tools illustrate the product family and do not indicate a set.

8. Frequently asked questions

Is the shank diameter the same as the cutting diameter?

Not for every variant. For example, the variant with a 1 mm cutting diameter has a Ø4 mm shank. Select the holder by the shank diameter.

Does a 200 mm tool allow milling to a depth of 200 mm?

No. This is the overall tool length. Separately check cutting length, projection after clamping and clearance for the shank and holder.

Is a longer end mill better for every operation?

Choose the shortest variant that provides the required access and cutting length. Excessive overhang increases deflection and vibration risk.

Can cutting parameters be transferred from a short tool to an extended one?

Not automatically. Changing cutting length or overhang changes the rigidity of the setup. Verify parameters for the specific tool and clamping arrangement.