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Select options This product has multiple variants. The options may be chosen on the product pageM10 GR5 Titanium T45 Torx Head Bolts Disc Brake Rotor Screws Fasteners for Motorcycle Dirt Bike 5pcs
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Select options This product has multiple variants. The options may be chosen on the product pageTitanium Dome Bolts M4 Titanium Bolts GR5 Ti Umbrella Bolt Dome Hex Screws For Bikes Motorcycle 5pcs
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Select options This product has multiple variants. The options may be chosen on the product pageTitanium Dome Bolts M5 Titanium Bolts GR5 Ti Umbrella Bolt Dome Hex Screws For Bikes Motorcycle 5pcs
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Grade 5 titanium bolts are the strong end of the titanium range — the Ti-6Al-4V alloy known as GR5 in the West and TC4 in China. Titansmith machines every bolt from certified Grade 5 bar, so you get aerospace-grade strength, not a softer commercially pure grade sold under a titanium label.
Key Takeaways
- Grade 5, Ti-6Al-4V, GR5, and TC4 all name the same aerospace-grade alloy.
- Tensile strength above 900 MPa — far stronger than commercially pure titanium.
- ~40% lighter than steel, corrosion-proof, and stable under heat.
- Every Titansmith bolt is machined from certified Grade 5 bar. Retail, bulk, wholesale.
What "Grade 5" Actually Means
Titanium comes in several grades. Grade 5 is the alloy that blends titanium with about 6% aluminium and 4% vanadium — hence Ti-6Al-4V. It's the most widely used titanium alloy in the world, trusted in aerospace, motorsport, and medical implants for its strength-to-weight ratio.
You'll see it written different ways. GR5 titanium bolts, Ti-6Al-4V bolts, and TC4 bolts are the same thing — TC4 is simply the Chinese designation for the identical alloy. Whatever the label, the material and its properties don't change.
Grade 5 vs Commercially Pure Titanium
Not all titanium is strong. Commercially pure grades (1–4) are softer and more ductile — fine for corrosion-resistant plumbing, weak for structural fasteners. Grade 5 titanium bolts are dramatically stronger, with tensile strength above 900 MPa.
That gap matters when you buy. Some cheap "titanium" bolts are a pure grade dressed up to look premium. Every Titansmith bolt is machined from certified Ti-6Al-4V, so the strength you pay for is the strength you get.
The Numbers That Matter
Grade 5 titanium delivers strength on par with many alloy steels at roughly 40% less weight. It resists corrosion from salt, moisture, and most chemicals, and stays dimensionally stable under the heat found around brakes, engines, and exhausts.
It also handles fatigue well, surviving thousands of load cycles without failing — the reason GR5 titanium bolts are trusted in vibration-heavy, safety-relevant applications where a weaker material would crack.
What We Machine in Grade 5
Because Grade 5 is our standard material, the whole catalogue benefits: socket caps, flange bolts, Torx bolts, hex bolts, nuts, studs, and lug hardware are all cut from Ti-6Al-4V bar. That consistency means matched strength and corrosion resistance across an entire build.
As the manufacturer, we also machine custom Ti-6Al-4V bolts to your drawing — specific lengths, pitches, and head styles in the same certified grade as everything else we make.
Where Grade 5 Titanium Proves Itself
The industries that trust Ti-6Al-4V tell you a lot. Aerospace uses it for airframe and engine fasteners where failure isn't an option. Motorsport uses it to shed weight under extreme load. Medicine uses it for implants because it's strong, inert, and biocompatible.
Those same properties translate to your build. On brakes, exhausts, wheels, and engines, GR5 titanium bolts deliver the strength, heat stability, and corrosion resistance that aerospace and racing demand, at a size and price that suits a workshop.
That's the point of buying Grade 5 rather than a mystery grade: you're getting the exact alloy proven in the most demanding fields, machined into the fastener your project needs.
Buy the real thing — order GR5 titanium bolts online now, or contact us for certified material, custom work, and wholesale pricing.
Frequently Asked Questions
Are GR5, Ti-6Al-4V, and TC4 the same material?
Yes. GR5 titanium bolts, Ti-6Al-4V bolts, and TC4 bolts all describe one alloy — titanium with roughly 6% aluminium and 4% vanadium. GR5 and Ti-6Al-4V are Western names; TC4 is the Chinese designation for the identical aerospace-grade material.
How much stronger is Grade 5 than pure titanium?
Substantially. Grade 5 titanium reaches tensile strengths above 900 MPa, while commercially pure grades are far softer and better suited to corrosion-resistance-only roles. For structural bolts, Grade 5 is the grade that delivers steel-rivalling strength at low weight.
How do I know I'm getting real Grade 5 titanium bolts?
Buy from a manufacturer that certifies its material. Every Titansmith bolt is machined from certified Ti-6Al-4V bar, so you avoid the cheap pure-grade parts sometimes sold as premium titanium. We can confirm material details on request.
Is Grade 5 titanium worth it over steel or stainless?
For weight-sensitive and corrosion-prone builds, yes. GR5 titanium bolts match many steels in strength at about 40% less weight and outlast stainless in corrosion resistance. Over the life of a build, the weight and durability justify the higher upfront cost.
Why is Ti-6Al-4V used in aerospace and medical applications?
Ti-6Al-4V combines high strength, low weight, heat stability, and excellent corrosion resistance, and it's biocompatible and inert. Those traits make it the standard alloy for aerospace fasteners and medical implants — the same properties that make GR5 titanium bolts durable on your build.
Order Your Grade 5 Titanium Bolts
GR5, Ti-6Al-4V, TC4 — one aerospace-grade alloy, certified in every bolt we machine. Buy Grade 5 titanium bolts online today, or contact us for custom work and wholesale supply.