Racing Standard
Manufacturer Titanium Lug Wheel Bolts M14x1.5
- Thread Pitch: M14×1.5 / M12×1.25
- Material: Certified Gr5 Ti-6Al-4V
- Seat Type: 60° Conical / Ball Seat
Industrial Portfolio
Featured Precision Fasteners & Conversion Assemblies
Engineered from vacuum-melted ASTM B348 Grade 5 titanium bars. Fully tested for tensile strength, thread pitch integrity, and micro-crack immunity before export via Hamburg Port terminals.
Hot Rolling
Gr5 Ti-6Al-4V Flange Bolts for Motorcycles
- Standard: DIN 6921 Flanged
- Diameter: M6, M8, up to M22
- Coating: PVD Multi-Color & Anodized
ISO Certified
ZFTI Titanium Hex Bolt Full Thread ISO 4018
- Dimension: M8 to M16 Series
- Execution: CNC Lathe Turned Threads
- Finish: Plain Passivated / Ultraclean
Stock Hamburg
GR5 Titanium Standard Fasteners & Hardware
- Yield Strength: ≥ 828 MPa
- Thread Spec: Metric Coarse / Fine
- Shipment: Immediate Dispatch
E-Mobility
DIN912 M6 Socket Head Screw for EBike & Autos
- Drive Style: Internal Hex / Allen
- Standard: DIN 912 / ISO 4762
- Aesthetic: Burnt Rainbow / Royal Blue
High Torque
M8 Titanium Torx Head Bolt Gr5 CNC Machined
- Drive: Torx T40 / T45 Tamperproof
- Machining: Multi-Axis Precision Turned
- Application: Disc Rotors & Hub Calipers
Marine Grade
Titanium Flange Hex Nut M4–M10 Class 8.8 Equivalent
- Profile: DIN 6923 Serrated / Non-Serrated
- Resilience: High Salt Spray Endurance
- Density: 4.43 g/cm³
Full Range
OEM M3–M20 Titanium Hex Nuts Standard Parts
- Range: Full Metric Matrix (M3–M20)
- Standard: ISO 4032 / DIN 934
- Tolerance: ISO 6H Thread Class
Technical Engineering Monograph
Structural Metallurgy, Rotational Dynamics & Maritime Port Supply Chains
Evaluating the operational superiority of Class 10.9/12.9 equivalent Ti-6Al-4V wheel studs in extreme cyclic stress and North Sea brine environments.
In modern performance vehicle engineering, conversion from traditional lug bolts to extended titanium wheel studs represents a fundamental upgrade in clamping integrity, unsprung mass reduction, and service life. For engineering procurement specialists and automotive distribution networks headquartered in Hamburg and the surrounding Northern Germany industrial clusters, selecting suitable fastener materials involves navigating high shear stress, high thermal variations from brake rotors, and persistent exposure to oceanic salinity and road de-icing salts (CaCl₂ / NaCl).
Traditional carbon steel bolts (Class 8.8 and 10.9) exhibit severe susceptibility to surface oxidation and hydrogen embrittlement when exposed to wet coastal air, leading to micro-seizing within the wheel hubs. Conversely, commercial aluminium lug nuts frequently suffer from thread strip fatigue under high dynamic torque loads. Our Grade 5 (Ti-6Al-4V, Werkstoff 3.7165 / UNS R56400) titanium alloy wheel studs solve both failure modes simultaneously. By maintaining a density of only 4.43 g/cm³ alongside a tensile strength exceeding 895–1000 MPa, our rolled-thread wheel studs provide a 44% reduction in rotating unsprung mass while achieving fatigue life parameters exceeding ISO 898-1 standards.
Why Cold-Rolled vs Cut Threads Make the Critical Difference
Cut threads machine away structural metal grain lines, introducing notch stress risers right where shear forces peak during lateral cornering loads. Yevzo Titanium wheel studs feature 100% thread-rolled profiles. Cold rolling work-hardens the thread root, creating uninterrupted grain flowlines and generating a smooth, burnished surface finish. This raises fatigue limit cycles by over 300% under high-frequency track and autobahn braking cycles.
Hamburg serves as continental Europe's pre-eminent logistical turnstile. As the third-largest container port in Europe, the Port of Hamburg (Hamburger Hafen) connects directly to global manufacturing channels via the Elbe River estuary. By combining high-capacity automated production in Baoji—China's Titanium Valley—with sea-freight routes docking directly at the CTA (Container Terminal Altenwerder) and CTT (Tollerort), Yevzo offers German tier-1 workshops, tuning brands, and wholesale fastener importers substantial freight-cost optimizations, reduced transit times, and frictionless DDP/CIF handling.
| Mechanical Property | Commercial Grade 2 Titanium | Yevzo Gr5 Ti-6Al-4V (Stud Grade) | Automotive Steel Class 10.9 | 7075-T6 Aluminium |
|---|---|---|---|---|
| Tensile Strength (Rm) | ≥ 345 MPa | ≥ 950–1050 MPa | 1000–1040 MPa | 510–540 MPa |
| Yield Strength (Rp 0.2) | ≥ 275 MPa | ≥ 880–920 MPa | 900–940 MPa | 430–480 MPa |
| Density (ρ) | 4.51 g/cm³ | 4.43 g/cm³ | 7.85 g/cm³ | 2.81 g/cm³ |
| Specific Strength (Strength/Density) | 76.5 kN·m/kg | 225.7 kN·m/kg | 132.5 kN·m/kg | 192.1 kN·m/kg |
| Fatigue Strength Limit (×10₷ cycles) | Moderate (~180 MPa) | Superior (≥ 510 MPa) | Standard (~420 MPa) | Low (~150 MPa) |
| North Sea Salt-Fog Corrosion | Immune (Self-passivating TiO₂) | Immune (Self-passivating TiO₂) | Corrosive Breakdown / Rust | Galvanic Pitting / Exfoliation |
Regional Deployment
Localized Application Scenarios in Northern Germany
Customized titanium fastening systems serving racing paddocks, electric commercial transport, and offshore heavy marine installations.
Motorsport & Nürburgring Prep Centers
Tuning facilities around Hamburg, Schleswig-Holstein, and Lower Saxony convert high-output GT3, Porsche, and BMW competition chassis from OEM lug bolts to extended Gr5 titanium studs. Rapid wheel swaps during endurance events rely on bullet-nose guidance tips that eliminate cross-threading under pit-lane pressure.
Next-Gen EV Fleet Unsprung Weight Reduction
Electric commercial fleets and passenger performance EVs operating along the Hamburg-Bremen metropolitan axis utilize titanium wheel conversions to lower rotational mass at the wheel hubs. This reduces rotational inertia, accelerates throttle response, and boosts overall battery powertrain efficiency during continuous urban stop-and-go driving.
Maritime Logistics Vehicles & Coastal Hubs
Container handling cranes, autonomous guided port transport (AGVs), and heavy boat trailers around the Waltershof and Steinwerder terminals battle daily sea breeze and tidal moisture. Traditional wheel fasteners seize and shear; Grade 5 titanium studs provide a virtually permanent, zero-maintenance anti-corrosion barrier.
Procurement Evolution
Key Sourcing & Technological Trends in Hamburg
How regional distributors and engineering houses are restructuring their fastener supply chains to balance compliance, performance, and lead times.
Stringent TÜV & DIN Compliance
Buyers in Germany consistently demand EN 10204 Type 3.1 chemical inspection certificates alongside strict dimensional tracking against DIN 912, DIN 6921, and ISO metric thread tolerances. Fasteners without verifiable material origin are rapidly being phased out by responsible German parts distributors.
PVD & Anodizing Color Standardization
The aftermarket modification sector increasingly specifies vacuum Physical Vapor Deposition (PVD) finishes over wet chemical paints. Modern finishes such as DLC (Diamond-Like Carbon) Black, Burnt Titanium, and Gold Anodize offer extreme hardness (HV > 2500) without adding microscopic thread thickness that could alter friction coefficients.
Direct-From-Source Factory Procurement
Middlemen in Western European trade hubs are seeing their margins compressed. Leading wholesalers are forming direct manufacturer alliances with source factories in Baoji, combining transparent factory unit economics with consolidated sea shipments through Hamburg to ensure year-round stock security.
Why Partner With Us
Baoji Factory Direct: The Yevzo Manufacturing Edge
Eliminating third-party trading markups through vertically integrated smelting, forging, CNC machining, and quality assurance.
Origin in China's Titanium Valley
Situated in the High-Tech Development Zone of Baoji, Shaanxi, Yevzo is embedded directly within China's primary raw titanium processing cluster. We secure virgin grade sponge titanium and certified ASTM B348 bar stock with verified melt heats, ensuring raw material costs and quality remain fully under control.
100+ Precision Turn-Mill Units
Our workshop houses high-precision CNC multi-axis machining cells capable of holding tight ISO 4762 and aerospace-grade geometric tolerances (±0.01mm). Whether you need custom M14 stud lengths, knurled shoulder diameters, or quick-release speed pins, we tool directly from CAD drawings.
Comprehensive EN 10204 3.1 Traceability
Every single export batch is paired with full spectroscopic metallurgical test reports, tensile yield verification, and optical thread comparator records. We guarantee lot-level tracking across raw stock, CNC turning, thread rolling, cleaning, and surface passivation.
Flexible OEM / Private Label Services
Support your brand with laser-etched custom logos, grade hallmarks (e.g., Ti-6Al-4V), custom thread pitch stamps, and retail packaging options (blister packs, custom foam inserts, or bulk industrial bins). Minimum order quantities start as low as 20–50 pieces for prototypes.
Agile Export Shipping Framework
We work seamlessly with all primary Incoterms: FOB, CIF, CFR, FCA, EXW, and door-to-door DDP (customs and import duty handled). We accept multi-currency settlements in EUR, USD, and GBP via T/T wire, confirmed Letters of Credit (L/C), or escrow payment rails.
Verified Supplier Status
Yevzo Titanium maintains an onsite-verified facility and an unblemished 5.0 buyer rating. We combine the cost advantages of an industrial origin factory with the professional communication and engineering rigor required by European industrial buyers.
Procurement Knowledge Base
Buyer FAQs for German Fastener Importers
Clear, engineering-backed answers addressing the operational and contractual questions German buyers ask most.
How do Ti-6Al-4V wheel studs compare to Class 10.9 steel studs under high autobahn speeds?
Grade 5 titanium (Ti-6Al-4V) features a minimum tensile strength of 895–1000 MPa and yield strength ≥ 828 MPa, making it directly comparable to structural Class 10.9 automotive steel (1000–1040 MPa tensile). Crucially, titanium exhibits far higher specific strength due to its 44% lower density, meaning rotational inertia is substantially lower. Furthermore, titanium retains its clamping tension during intense brake-rotor heating (up to 400°C), where inferior metals risk thermal relaxation.
What prevents galling (fretting) between titanium threads and aluminium wheel hubs?
Titanium naturally builds an inert oxide (TiO₂) film. When run completely dry against metals like aluminium or other titanium interfaces under extreme torque, micro-welding or galling can occur. We resolve this by applying rolled precision-burnished thread finishes, combined with an anti-seize paste containing copper, molybdenum disulfide (MoS₂), or ceramic particulates. PVD-coated surfaces (DLC / Nitride) also add an ultra-hard barrier that completely isolates the metal substrate.
Can you manufacture customized lengths and dual-thread conversions (e.g. M14x1.25 to M14x1.5)?
Yes. European racing chassis often convert from delicate M14x1.25 hub threads to motorsport-standard M14x1.5 wheel nuts. We supply stepped conversion studs with custom-length unthreaded bullet-nose guidance pins, broached internal hex drives (for 5mm or 6mm Allen wrenches), and custom-dimensioned unthreaded shanks matching specific wheel spacer thicknesses.
What is the standard container shipping lead time from Baoji to the Port of Hamburg?
For catalogue-stocked titanium fasteners, dispatches leave our factory within 48 to 72 hours. For custom OEM machining, typical production lead times range between 15 to 25 business days. Sea-freight transit from Qingdao/Shanghai to Hamburg Port typically runs 28 to 35 calendar days. For urgent automotive restocking or sample qualification, express air courier delivery (DHL/FedEx/UPS DDP) delivers parts directly to your facility in 4 to 7 business days.
Are Mill Test Certificates (MTC) supplied with batch shipments to Germany?
Every shipment includes an authentic EN 10204 Type 3.1 material test certificate. This document details the specific ingot heat number, precise chemical composition percentages (Ti, Al, V, Fe, C, N, H, O), and mechanical test results (tensile, yield, elongation percentage). Third-party inspections (such as SGS or TÜV Rheinland verification) can also be coordinated upon contractual request.
Accelerate Your Titanium Fastener Supply Chain
Partner directly with Baoji's leading titanium fastener producer. Send our engineering team your 2D/3D CAD models, target sizes, thread pitches, and quantity requirements. We will review your files and provide a competitive, factory-direct quotation within 24 hours.