Gr5 Titanium
Featured Product Showcase
Precision Engineering Titanium Fastener Collection
Explore our certified Grade 5 Ti-6Al-4V components custom CNC-machined, thread-rolled, and finished with advanced anodic oxidation for maximum fatigue resistance and zero galvanic corrosion.
CNC Precision
GR5 Titanium M5 CNC Flower Head Self-Tapping Screws Factory Direct Grade 5
Ultra-Light
High Strength Customized M31*Super Light Anti-Skid Oil Cap for Motorcycle Custom Production Plants Nut
UNF / Metric
TECKSR Factory Price M4 Anodized GR5 Titanium Hex Flange Head Torx UNF Thread Class 5 Motorcycle Bolts
Pan Head
Customized M8 Gr5 Titanium Alloy Pan Head Bolts and Screws for Motorcycles
DIN Standard
High Strength M4-M5 Titanium Alloy Torx Head Self-Tapping Screws Hex Washer Head Anodizing/PVD Finish DIN Standard Metric
Disc Brake Core
Custom GR5 Titanium M8 Disc Head Bolts with Plain Finish for Bike Motorcycle
Class 10 GR5
Tecksr Titanium Alloy Hex Head French-style Closed Flower Nuts Class 10 GR5 Motorcycle Modification Parts Nut
Technical Whitepaper Insight
Metallurgical Dynamics & Shear Load Mechanics of Titanium Disc Bolts
Brake disc bolts operated under extreme kinetic deceleration face severe cyclical thermal shock and complex multi-axis shear stress. Traditional Grade 8.8 or Grade 10.9 carbon steel bolts exhibit significant unsprung mass and are susceptible to aggressive atmospheric and chemical galvanic corrosion.
At Zunvo Titanium Products Co., Ltd., our OEM Titanium Disc Bolts utilize high-purity Ti-6Al-4V Grade 5 alloy, delivering a yield strength exceeding 828 MPa alongside an ultimate tensile strength over 895 MPa. Weighing 4.43 g/cm³, Grade 5 titanium delivers approximately 44% weight reduction compared to steel while matching or exceeding class 8.8 tensile performance.
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✔Thread Rolling vs. Thread Cutting: All disc bolts feature cold-rolled threads (Class 6g tolerance), preserving continuous grain flow to boost fatigue strength by over 30%.
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✔Micro-Arc Anodizing & PVD: Thermal barrier layer prevents galling, while physical vapor deposition (PVD) TiN/TiAlN coatings achieve surface hardnesses up to 2500 HV.
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✔Precision Head Concentricity: CNC multi-axis turning maintains head-to-shank runout under 0.01 mm, eliminating uneven clamp force on rotor flanges.
| Mechanical Property | Gr5 Ti-6Al-4V Titanium | 316 Stainless Steel | 10.9 Alloy Steel |
|---|---|---|---|
| Density (g/cm³) | 4.43 (44% Lighter) | 8.00 | 7.85 |
| Yield Strength (MPa) | ≥ 828 | ≥ 290 | ≥ 940 |
| Tensile Strength (MPa) | ≥ 895 | ≥ 620 | ≥ 1040 |
| Strength-to-Weight Ratio | 202 (Ultra High) | 77.5 | 132.4 |
| Corrosion Resistance | Impervious to Salt/Fluid | High | Low (Requires Plating) |
44%
Unsprung Weight Reduction
≥895 MPa
Tensile Strength (Gr5)
±0.005mm
CNC Machining Precision
100%
Spectrometer Traceable
Enterprise Strength & Production Infrastructure
Why Tier-1 Global Buyers Choose Zunvo Titanium
Headquartered in Baoji, Shaanxi — China's "Titanium Valley" — Zunvo Titanium Products Co., Ltd. combines raw titanium material supply chain integration with advanced precision CNC hardware manufacturing.
Vertically Integrated Manufacturing Ecosystem
From primary sponge titanium sourcing to high-precision 5-axis CNC machining, hot-heading, thread rolling, and in-house surface finishing, Zunvo oversees every critical phase of manufacturing. This ensures complete lot-to-lot consistency and competitive factory-direct pricing.
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✔100% Raw Material Verification: Every batch of Grade 5 (Ti-6Al-4V) bar stock undergoes optical emission spectrometry (OES) analysis with EN 10204 3.1 Material Test Certificates provided.
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✔Rapid Prototype & OEM Development: Custom 3D drawing reviews within 24 hours, pre-production sample fabrication in 3 days, and mass production lead times scaled from 7 to 15 days.
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✔Zero-Defect Quality Assurance: Fully equipped testing lab featuring CMM optical measurement, thread pitch micro-projectors, micro-hardness testers, and hydraulic salt-spray corrosion chambers.
Factory Standard Specifications & Quality Parameters
Factory Floor:
1,000 – 3,000 m² CNC Workshop
Workforce:
101 - 200 Qualified Personnel
Thread Pitch Standards:
ISO Metric, UNF, UNC, Fine Thread
Inspection Protocol:
100% Go/No-Go Gauge & Optical
Customization Capabilities:
CAD/DXF/STEP Drawing Support
Global Export Regions:
North America, EU, SE Asia, Middle East
Industry Market Intelligence
Global Procurement & Engineering Trends for Titanium Fasteners
As motorsport teams, electric vehicle OEMs, and premium bicycle builders accelerate light-weighting initiatives, titanium disc bolts are shifting from custom aftermarket upgrades to standardized OEM engineering requirements.
01 Electrification & Unsprung Weight Reduction Dynamics
In high-performance Electric Motorcycles and EV hypercars, unsprung rotational mass directly influences battery efficiency, suspension response, and acceleration. Replacing steel rotor hardware with titanium disc bolts reduces rotational weight at the hub, delivering measurable handling gains and extended battery mileage per charge cycle.
02 Advanced PVD Vacuum Coating vs. Conventional Anodizing
While traditional electrochemical anodizing yields vibrant blue, purple, and rainbow finishes, modern OEM buyers are standardizing on Physical Vapor Deposition (PVD). PVD coatings deposit microscopic layers of Titanium Nitride (TiN), Titanium Carbonitride (TiCN), or Diamond-Like Carbon (DLC), yielding superior surface hardness (HV 2000+) and maximum scratch resistance.
03 Closed-Loop Recycling & ESG Material Traceability
Global procurement directives increasingly demand full carbon transparency and material origin certification. By partnering with Baoji smelting centers that enforce closed-loop titanium scrap recycling, Zunvo provides verifiable sustainability documentation and full mill heat-number traceability compliant with ISO 9001 and IATF 16949 standards.
04 Custom Drive Socket Interfaces & Anti-Theft Geometries
Industrial trends show a rapid transition away from traditional external hex heads toward low-profile Torx (T25/T30/T40) socket drives, flower heads, and custom anti-theft key grooves. Torx geometries distribute driving torque evenly, eliminating head deformation during high-torque air-tool installation in OEM assembly lines.
R&D Innovation Roadmap
Emerging Design & Manufacturing Technologies in Titanium Hardware
Understanding where titanium hardware technology is heading enables engineering teams to specify components that maximize component lifespan while paring down weight.
Hollow-Shank Weight Optimization
Gun-drilled longitudinal center bores reduce fastener weight by an additional 12-18% without compromising the shear plane structural envelope required by disc brake hubs.
Integrated Washer Flanges
Broad integrated flange bases replace separate Belleville or flat washers, ensuring unified pressure distribution across carbon fiber or floating brake rotor buttons.
Cold-Forged Head Forming
Combining high-speed multi-station induction heating with precision cold-forging locks internal grain flow along head transitions, preventing head-shearing under severe braking shock load.
Plasma Electrolytic Oxidation (PEO)
Next-generation micro-arc discharge treatment grows an ultra-dense ceramic oxide layer over titanium surfaces, providing unmatched thermal and electrical insulation capabilities.
Purchasing & Engineering FAQ
Frequently Asked Procurement Questions
Technical guidance for OEM buyers, procurement managers, and mechanical design engineers specifying titanium disc bolts and fasteners.
Q: What titanium material grade is recommended for brake disc bolt applications?
A: Grade 5 Ti-6Al-4V (UNS R56400) is the global gold standard for dynamic shear load applications like brake rotors. With a minimum tensile strength of 895 MPa and yield strength of 828 MPa, it handles extreme braking forces. Unalloyed Commercially Pure (CP) titanium grades (such as Grade 1 or Grade 2) lack sufficient yield strength and must never be used in brake disc assemblies.
Q: Can Grade 5 titanium disc bolts directly replace Grade 10.9 factory steel bolts?
A: In over 95% of motorcycle and automotive rotor applications, Grade 5 titanium bolts serve as a direct high-performance replacement for Class 8.8 and 10.9 steel bolts. Because titanium has a lower modulus of elasticity (~114 GPa vs 210 GPa for steel), engineering teams must confirm tightening torque specs and apply an appropriate anti-seize lubricant or medium-strength thread locker (e.g., Loctite 243) to guarantee proper clamp load.
Q: How does Zunvo prevent thread galling during installation?
A: Thread galling occurs when friction generates localized micro-welds between raw titanium threads and mating female threads. Zunvo eliminates galling risk through precision thread rolling (smooth root surfaces), strict pitch tolerances (6g/6H), and specialized surface treatments such as ceramic anodizing, anti-friction PVD coatings, or micro-encapsulated dry lubricants.
Q: What are your minimum order quantities (MOQ) and sample lead times?
A: For catalog metric fasteners (M4 to M12), our MOQ starts at 100 to 200 dozens (1,200 - 2,400 pieces). For custom drawing-based OEM projects, we support prototyping batches starting from 100 pieces. Pre-production samples are completed within 3 business days following CAD/3D drawing sign-off.
Q: Will anodized or PVD surface colors wear off or fade over time?
A: Anodized colors are produced by controlled thin-film oxide light interference rather than organic paint pigments, rendering them highly resistant to UV fading and chemical exposure. PVD coatings (DLC, Gold, Burnt Blue) physically bond to the titanium substrate at a molecular level, providing exceptional resistance to abrasion, road debris, and harsh brake cleaning fluids.
Q: What quality inspection documentation accompanies bulk export orders?
A: Every production shipment is accompanied by a comprehensive Quality Dossier. This includes an EN 10204 3.1 Chemical & Mechanical Mill Test Report (MTR), dimensional CMM inspection sheets, thread gauge pass reports, and salt-spray corrosion resistance test certificates upon request.
Accelerate Your Hardware Engineering with Precision Titanium Solutions
Partner with Baoji's premier custom titanium disc bolts manufacturer. Send us your CAD drawings, sample parts, or custom specifications for an immediate engineering assessment and competitive factory direct quote within 7 hours.
