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Titanium Alloy Milling

Choose an end mill for titanium around the alloy condition and the feature you need to machine. MSME4 square-end and MSMR4 corner-radius tools provide two cutting profiles for flat floors, shoulders and radiused corners.

Pure titanium, age-hardened alpha + beta alloy and beta alloy have separate starting-data entries below. Match the actual grade and condition before choosing cutting conditions; a broad alloy category does not identify a specific commercial grade.

Send the titanium grade and part detail, or a tool code and quantity for a repeat order.

Find a Titanium Milling Tool

Match the Alloy Condition and Tool Access

Use the material designation, condition and available hardness or tensile data to identify the workpiece. Then choose the cutting profile and reach around the part.

Shoulders and floors
Match the tool end and any corner radius to the feature being cut.
Deep or enclosed features
Check cutting length, body clearance and mounted projection against the entry path and surrounding walls.
Finishing allowance
Set the planned axial and radial engagement before choosing a feed from the starting table.
Tool support
Keep projection as short as access allows and check holder clearance through the machining path.
Four gold-colored end mills with different cutting tip profiles

When a process already exists, use its tool wear, chips and finished surface as comparison points. Keep the tool reference and cutting conditions with those observations.

Compare the cutting profiles and dimensions needed for your part.

Compare Titanium Milling Tools

MSM Starting Conditions for Titanium Finishing

The following MSM values are starting points for shoulder milling (finishing), Ap = 1.5 D and Ae = 0.03 D. Cutter diameters are 2, 4, 6, 8, 10, 12, 16 and 20 mm. Each fz column gives feed per tooth in mm/tooth for the stated cutter diameter.

Titanium category Subtype / condition HB Tensile strength (N/mm²) Vc (m/min) fz Ø2fz Ø4fz Ø6fz Ø8fz Ø10fz Ø12fz Ø16fz Ø20
Titanium alloy Pure titanium 200 680 70-100 0.0460.0740.1010.1320.1560.1820.2310.277
Titanium alloy Alpha + beta alloy, age-hardened 375 1260 70-100 0.0460.0740.1010.1320.1560.1820.2310.277
Titanium alloy Beta alloy 410 1400 30-55 0.0320.0500.0690.0900.1070.1240.1580.189

D is cutter diameter, Ap axial depth and Ae radial width of cut. Vc is cutting speed; fz is feed per tooth. Use the fz column for the selected cutter diameter. These MSM series-level values describe the stated shoulder-finishing cut, not a universal titanium setting.

For Ti-6Al-4V or another named grade, match its condition and material properties to the relevant row before a trial. Keep the selected tool, engagement, projection and coolant delivery consistent when comparing results. The End Mill Selection Guide, End Mill Coating Guide and End Mill Flute Count Guide explain the related choices.

Need help with wear or finish? Email the tool edge and part photos with the current cutting conditions.

Discuss a Titanium Milling Problem

Check Projection and the Cutting Setup

A tool can have the right end profile and still need a different length or mounting arrangement to reach the feature.

Magnified end mill geometry on a tool measurement display
Tooling components mounted inside a machining enclosure

Projection and clearance

Check the body and holder against the entry path and adjacent walls. Use the shortest projection that reaches the feature.

Coolant and chips

Check coolant delivery at the cutting zone and the path for chips to leave. Compare tool wear and the finished surface under the actual cutting conditions.

Tool dimensions

Use Downloads for the model drawing and specify any required dimensional report. Factory and Quality Control provide equipment and measurement information.

Use the model drawing to check the full dimensions before ordering.

Find Tool Drawings

Order a Standard Tool or Discuss a Drawing

Choose a standard model when its profile and working dimensions fit the part. For an unavailable size or clearance, a drawing defines what needs to change.

MSU cutting tools

Standard sizes

Use the full MSME4 or MSMR4 code and quantity for a repeat order. For a replacement, include the current tool reference and the feature it machines.

A tool to your drawing

If the required reach or end profile is unavailable, email the feature and tool dimensions for Custom Cutting Tools, with the titanium grade and condition.

MSU cutting tools

MOQ is normally 5–10 pieces, confirmed by quotation. Samples and sample freight are charged. Production timing is confirmed for the order; shipping time is stated separately. See Ordering and Delivery for purchasing terms.

Email the drawing with the material and critical dimensions to discuss the tool you need.

Discuss a Custom Tool

Titanium Alloy Milling Questions

How do I choose an end mill for a titanium alloy?

Start with the alloy designation and condition, then match the end profile, diameter and cutting length to the part. Check mounted reach and select cutting conditions for that tool and operation.

Can I read the alpha + beta row as a Ti-6Al-4V recommendation?

Not from the category name alone. The row states an age-hardened condition and material-property references. Compare the actual Ti-6Al-4V condition with those details before selecting a starting point.

Can the finishing values be used for a full slot?

The table describes shoulder finishing at Ap = 1.5 D and Ae = 0.03 D. A full slot changes the engagement and requires separate cutting conditions.

Are cutting length and mounted reach the same?

No. Cutting length is the available cutting edge. Reach also depends on the body geometry, clamped length and holder clearance. Check all three against the feature.