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Thread Milling Cutter M0.8-M20 - Multi-Flute TiSiN

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M4x0.7x50L - TiSiN

M12x1.0x75L - TiSiN

M4.5x0.75x50L - TiSiN

M12x1.25x75L - TiSiN

M5x0.8x50L - TiSiN

M12x1.5x75L - TiSiN

M6x0.5x50L - TiSiN

M16x2.0x75L - TiSiN

M6x1.0x60L - TiSiN

M14x1.5x75L - TiSiN

M8x1.25x60L - TiSiN

M16x1.0x75L - TiSiN

M6x0.75x60L - TiSiN

M18x2.5x80L - TiSiN

M8x0.5x60L - TiSiN

M20x2.5x90L - TiSiN

M8x0.75x60L - TiSiN

M24x3.0x90L - TiSiN

M8x1.0x60L - TiSiN

M30x3.5x120L - TiSiN

M10x1.5x60L - TiSiN

M20x1.0x90L - TiSiN

M10x0.75x60L - TiSiN

M20x1.5x90L - TiSiN

M2x0.4x50L - TiSiN

M10x1.0x60L - TiSiN

M20x2.0x90L - TiSiN

M2.5x0.45x50L - TiSiN

M10x1.25x60L - TiSiN

M3x0.5x50L - TiSiN

M12x1.75x75L - TiSiN

M3.5x0.6x50L - TiSiN

M14x2.0x75L - TiSiN

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Product description

TiSiN solid carbide thread mill — multi-form, full-profile

Metric threads M2–M30 • fixed pitch • cylindrical shank

A TiSiN-coated solid carbide cutter for milling metric threads on CNC machines. The working section carries a sequence of thread-forming profiles along the tool axis. Their spacing matches the pitch of the selected variant. This full-profile design is intended for efficient production of repeated threads, including batch manufacturing.

Select the variant by thread designation, pitch and required tool dimensions. The range includes different cutting and shank diameters and overall lengths from 50 to 120 mm. Each size card provides four dimensions for checking access and toolholding.

Construction and operation

Parameter	Specification
Tool type	Multi-form, full-profile thread mill
Tool material	VHM — solid carbide
Coating	TiSiN
Thread type	Metric M
Designation range	M2–M30; available diameter and pitch combinations depend on the selected variant
Pitch	Fixed for each variant; 0.4 to 3.5 mm across the range
Shank	Cylindrical, Ø4–Ø16 mm depending on size
Overall length	50–120 mm depending on variant

Full-profile construction means multiple consecutive thread forms along the working section. The multi-form designation describes this axial arrangement. It does not state the number of flutes around the circumference. Distinguish the thread-forming section from the shank held in the toolholder.

Fixed thread pitch

Pitch is a physical feature of the cutter geometry. Select a matching tool variant for a different pitch. Changing a value in the CNC program does not change the spacing of the cutting profiles. Compare the complete designation with the component drawing, even when two cutters share the same M size.

The thread is produced as the tool follows a helical path. The machine and program must support the required interpolation, and the cutter geometry must match the thread being machined. Select the number of passes and cutting conditions for the material and working-section load; full-profile construction does not specify one universal pass count for every component.

Applications and workpiece materials

The TiSiN version is intended for thread milling in steel and cast-iron components. Its application range also includes stainless steel and titanium alloys. Consider the material grade, condition and thread requirements when choosing the size and cutting conditions.

Material group	Application range
Carbon and alloy steels	Carbon steels, including 45#, and alloy steels, including chromium-molybdenum steels.
Tool and mould steels	Threads in tooling, mould and die components.
Stainless steel and titanium alloys	Thread machining with conditions adapted to the specific grade.
Cast iron	Thread milling in cast-iron components.

For batch production, select the cutter for a repeated thread designation and a controlled machining process. Cutting diameter, working length and tool overhang affect the choice of operating conditions. Do not transfer parameters between different sizes solely because they have the same coating.

How to read the size code

Example: M3x0.5x50L. The code states the thread size, thread pitch and overall tool length. A dot is the decimal separator. Linear dimensions on the variant cards are expressed in millimetres.

Code element	Meaning
M3	Metric thread with a nominal diameter of 3 mm
0.5	Thread pitch of 0.5 mm
50L	Overall cutter length of 50 mm

For this example, the cutting diameter is Ø2.3 mm, the working length is 6 mm and the shank diameter is Ø4 mm. The number after M is neither the cutting diameter nor the toolholding diameter. Read each dimension separately.

Dimensions on the variant card

Dimension	Use during selection
Cutting diameter	Diameter of the cutting section. Use it to check access to the thread area and prepare the tool path.
Working length	Length of the thread-forming section. Consider it when checking the required thread length and space for entry and exit.
Shank diameter	Toolholding diameter. Select the holder to match this dimension independently of the M designation.
Overall length L	Length of the complete cutter, including the shank. It is not the permissible thread depth.

The image on the card is illustrative: the values assigned to the selected variant define its dimensions. Across the range, cutting diameters extend from Ø1.54 to Ø16 mm and working lengths from 4 to 42 mm. The range does not contain every possible combination of these values.

Selecting a variant for the component

Read the thread diameter and pitch. Choose a variant matching both values on the component drawing.
Compare the working length with the task. Check the thread length, entry and exit space and possible working-section collisions.
Check the shank diameter. Select the correct toolholding size and allow for the holder dimensions.
Select overall length for access. Keep the overhang as short as the operation allows.

A longer tool does not necessarily have a proportionally longer thread-forming section. For example, 120L states the overall tool length; working length is specified separately. Compare the complete card before choosing a size instead of relying on one number in the name.

Toolholding and machining preparation

Check the cutter and holder. Clean the clamping surfaces, inspect the cutting edges and check runout after mounting.
Verify the program. Check the pitch, cutter diameter, helical path and entry and exit movements.
Check clearances. Account for the working section, shank, holder and component geometry throughout the operation.
Select suitable conditions. Consider the material, cutting diameter, working length, overhang and setup rigidity.

After machining the first component, inspect the thread using the inspection method specified for the part. If vibration or surface deterioration occurs, check toolholding, runout, chip removal and tool load before continuing the batch.

Frequently asked questions

Can pitch be changed through the program alone?
No. The spacing of the profiles on this cutter is fixed. A different pitch requires a variant with matching geometry.

Does the M designation specify shank diameter?
No. M identifies the nominal thread size. Shank diameter is given in a separate row on the card.

Does 120L mean a thread length of 120 mm?
No. It is the complete tool length. Assess usable reach from the working section, toolholding and component geometry.

Does full-profile specify a flute count?
No. It describes multiple thread forms along the cutter axis, not the number of flutes around its circumference.