Polished Titanium Rod for Industrial Fasteners

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Polished Titanium Rod for Industrial Fasteners
Details
Material: Titanium Grade 5 (Ti-6Al-4V) / Grade 2 (pure titanium)
Surface: Polished (Ra ≤ 0.4μm)
Standard: ASTM B348 / AMS 4928
Diameter: 3mm – 50mm
Length: 1000mm – 3000mm (custom cut available)
Category
Titanium Rod
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Description

What this rod is for

 

Fasteners need consistent diameter. Smooth surface. No defects. You can't make good bolts, screws, or studs from rough rod.

Polished titanium rod for industrial fasteners starts with high-quality titanium bar. Then we polish it. Smooth surface means less wear on your forming dies and thread rolling equipment. Consistent diameter means every fastener comes out the same.

Bolt manufacturers, screw machine shops, and aerospace fastener suppliers use this rod every day.

 

Why polished matters for fasteners

 

Most titanium rod comes turned or ground. That's fine for general machining. But fastener manufacturing is different.

You're feeding rod into automatic screw machines or cold heading equipment. Rough surface causes feed issues. Scratches on the rod become scratches on the finished fastener. Variable diameter causes rejects.

Polished titanium rod for industrial fasteners gives you:

Smooth surface (Ra ≤ 0.4μm). No scratches or surface defects. Tight diameter tolerance (±0.025mm or better). Consistent roundness. Ready for thread rolling and head forming.

 

Technical specs

 

PropertyValue
MaterialGrade 5 or Grade 2
SurfacePolished (Ra ≤ 0.4μm)
Diameter tolerance±0.025mm (h6 equivalent)
Straightness0.3mm per 1000mm
StandardASTM B348 / AMS 4928

 

Grade 5 (Ti-6Al-4V)

PropertyValue
Tensile≥ 895 MPa
Yield≥ 828 MPa
Density4.43 g/cm³
HardnessHRC 30–36

 

Grade 2 (pure titanium)

PropertyValue
Tensile≥ 345 MPa
Yield≥ 275 MPa
Density4.51 g/cm³
Hardness~180 HB

 

Grade 5 vs Grade 2 for fasteners

 

Most industrial fasteners use Grade 5. Higher strength. Better for structural bolts, high-stress applications, aerospace fasteners.

Grade 2 is softer. Lower strength. Used for non-critical fasteners, medical applications, or where corrosion resistance is the only requirement.

For polished titanium rod for industrial fasteners, Grade 5 is the standard. Grade 2 is the exception.

 

Where these fasteners end up

 

Take a roll of polished titanium rod for industrial fasteners. Run it through a screw machine or cold header. You get:

  • Bolts and screws for marine hardware. Won't rust in salt water.
  • Aerospace fasteners. Light weight. High strength. AMS certified.
  • Chemical plant studs and nuts. Resists acid and chloride corrosion.
  • Medical bone screws. Biocompatible. Grade 2 or Grade 23.
  • Bicycle and motorcycle hardware. Light and strong.

Every one of these fasteners starts with good rod. Polished surface. Tight tolerance. No defects.

 

Cold heading and thread rolling

 

Titanium cold heads differently than steel. It's less ductile. Work-hardens faster.

For polished titanium rod for industrial fasteners, the polish helps. Smooth surface reduces friction in the heading die. Fewer rejects. Longer tool life.

Thread rolling works well on titanium. The rolling process compresses the surface, which improves fatigue life - important for threaded fasteners.

Use sharp rolling dies. Clean the rod before rolling (our polished rod is clean and ready). Lubricate properly.

We've had fastener makers tell us our polished rod runs 20–30% longer between die changes compared to ground rod. Less downtime. More parts per shift.

 

Diameter consistency

 

Fastener manufacturers hate variable rod diameter. It jams feeders. It changes head volume. It causes thread height variation.

Our polished titanium rod for industrial fasteners holds diameter to ±0.025mm. That's h6 tolerance.

Roundness is within 50% of diameter tolerance. Out-of-round rod makes hex heads look wrong.

Every lot gets diameter checked at three points along the length. We keep the data.

 

Surface finish and cleanliness

 

Ra ≤ 0.4μm. That's about as smooth as ground rod gets. But polished has fewer directional lines.

No residual lubricant or cutting oil from the polishing process. Our rods are cleaned after polishing. You can run them straight into your cold header or screw machine without degreasing.

No burrs at cut ends (if you order cut lengths). We chamfer and deburr every cut.

 

FAQ

 

Q: Do I need Grade 5 or Grade 2 for my fasteners?

A: Grade 5 for structural bolts, high-strength applications, aerospace. Grade 2 for non-critical fasteners, medical, or maximum corrosion resistance. If you're not sure, tell us your application.

Q: What certifications come with polished rod?

A: Mill test reports with heat number traceability. ASTM or AMS certs. Surface finish report available. Third-party inspection welcome.

Q: Lead time for polished rod?

A: Stock diameters (3mm–50mm) ship in 7–10 days. Polishing adds 3–5 days to raw bar lead time. Cut-to-length adds 1–2 days.

 

The bottom line

 

You don't buy polished titanium rod for industrial fasteners because it's fancy. You buy it because rough rod makes bad fasteners.

Consistent diameter. Smooth surface. Clean and ready to run. That's what fastener manufacturing requires.

Grade 5 for strength. Grade 2 for corrosion-only applications. Polished finish for reliable feeding and long tool life.

 

Contact

 

 

Need a quote on polished titanium rod for industrial fasteners? Send diameter, length, quantity, grade (Gr2 or Gr5), and any special requirements. We'll reply within 24 hours.

Email: shawn@mt-titanium.com

WhatsApp: +86-18220745501

 

 

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