Engineered from Grade 5 (Ti-6Al-4V) and Grade 2 titanium billet, our precision components deliver unmatched strength-to-weight ratios, extreme fatigue endurance, and zero-corrosion performance.
In elite motorsport and hypercar development, unsprung rotational weight is the primary enemy of kinetic efficiency, suspension compliance, and transient steering response. Every wheel bolt rotates at wheel speed while undergoing violent shear, cyclic tensile pulses, and intense heat transferred through the brake rotor hat. For elite garages, high-end tuning facilities, and collector syndicates across La Condamine—the historic heartbeat of the Monaco Grand Prix circuit—traditional steel wheel bolts represent an unnecessary performance compromise.
Standard OEM wheel bolts constructed from 10.9 or 12.9 class chrome-moly alloy steel carry a density of roughly 7.85 g/cm³. By contrast, aerospace-grade Ti-6Al-4V (Grade 5 Titanium / UNS R56400) delivers a density of only 4.43 g/cm³ while exhibiting a minimum tensile strength of 895 to 1,050 MPa and a yield strength exceeding 830 MPa. Replacing twenty OEM steel bolts with custom-engineered Grade 5 titanium bolts sheds up to 1.4 kg of unsprung rotational inertia per vehicle. This mass reduction yields instantaneous improvements in damper rebound velocity, rotational acceleration, and thermal stability under severe ceramic braking.
| Material Specification | Density (g/cm³) | Tensile Strength (MPa) | Yield Strength (MPa) | Corrosion Resistance | Monaco Marine Suitability |
|---|---|---|---|---|---|
| Titanium Grade 5 (Ti-6Al-4V Rolled) | 4.43 | 950 – 1050 | 880 | Permanent Passive Oxide Film | Exceptional (Immune to C5-M Salt Fog) |
| Class 10.9 Carbon Steel | 7.85 | 1040 | 940 | Poor (Requires sacrificial zinc/cadmium) | Rapid galvanic pitting under sea spray |
| Class 12.9 Alloy Steel | 7.85 | 1220 | 1100 | Very Poor (Susceptible to H-embrittlement) | Severe rust risk in coastal ports |
| Billet Aluminum 7075-T6 | 2.81 | 570 | 505 | Moderate (Risk of stress cracking) | Unsuitable for high-torque wheel lugs |
A common failure point in aftermarket titanium fasteners is the use of cut threads rather than cold-rolled threads. At Jiaxing Wexra Titanium Products Co., Ltd., all OEM custom wheel bolts are produced using continuous grain-flow thread rolling dies. Unlike cut threads, which sever the crystalline grain orientation of the titanium alloy and introduce micro-notches, rolled threads compress and align the grain boundaries along the thread flank root. This process increases fatigue resistance by more than 300% and completely prevents catastrophic shear failure during high-lateral-G cornering along the Sainte-Dévote and Swimming Pool chicane trajectories.
Situated directly adjacent to the saltwater moorings of Port Hercule and home to the world's most demanding hypercar workshops, La Condamine presents a unique fusion of mechanical stress and environmental severity.
Every spring, the roadways of La Condamine (Boulevard Albert 1er and Quai Antoine 1er) transform into the Formula 1 circuit. Vehicles running our custom Grade 5 titanium lug bolts experience zero bolt elongation during thermal soak cycles when carbon-ceramic brake discs reach temperatures over 750°C.
High-end vehicles parked in open-air marinas along Port Hercule face continuous exposure to airborne marine sodium chloride (ISO 9227 C5-M atmospheric rating). Standard steel bolts quickly form unsightly red rust and suffer galvanic seize. Titanium forms an instant, self-healing TiO₂ passivation barrier that is chemically inert to seawater.
Monaco’s elite engineering ateliers and tuning houses require custom shank lengths, bespoke thread pitches (M14×1.25, M14×1.5, M12×1.25), and precise seat geometry—including 60° conical, spherical radius collars (R13/R14 for Porsche and Ferrari), and two-piece floating washers that eliminate rim galling.
The rapid transition toward electric hypercars (Rimac Nevera, Lotus Evija, Porsche Taycan Turbo GT) in the Principality introduces massive instantaneous wheel torque. Wexra’s rolled-thread titanium bolts handle severe launch-control shear loads without cyclic work-hardening or fatigue failure.
La Condamine serves as the technical service gateway for Monaco Yacht Show mega-yacht tenders. Our custom Gr5 titanium studs, bolts, and mounting fasteners provide weight savings on high-speed composite tenders where every gram saved boosts plane speed and fuel range.
The custom wheel fastener market in southern Europe, especially within the Riviera’s luxury triangle of Monaco, Nice, and Cannes, is undergoing a profound technical transformation driven by lightweighting mandates and material innovations:
Founded in 2018 in Zhejiang, China, Jiaxing Wexra Titanium Products Co., Ltd. operates a high-precision, ISO 9001:2015-certified manufacturing facility dedicated entirely to Grade 2 and Grade 5 titanium products.
Every manufacturing step—from certified raw titanium sponge and bar stock inspection to thread rolling, optical dimensional sorting, and ultrasonic cleaning—is strictly audited under our ISO 9001:2015 quality framework.
Our workshop houses high-precision Japanese multi-axis CNC turning and Swiss sliding-head lathes, guaranteeing true concentricity, precise pitch diameters, and tight tolerances down to ±0.01 mm across complex bespoke profiles.
We supply EN 10204 3.1 Mill Test Certificates (MTC), independent spectrographic chemical composition analysis, and tensile yield test data with every export shipment to La Condamine and wider European markets.
With an export ratio exceeding 91%, Wexra products comply fully with EU RoHS, REACH chemical safety standards, and German EPR packaging regulations, ensuring smooth, tariff-compliant importation into Monaco and France.
In-house vibratory finishing, mirror micro-polishing, ultrasonic degreasing, multi-color electrochemical anodizing, and heat-treated vacuum finishes ensure every bolt meets concours d’elegance visual standards.
Technical clarity for procurement managers, race mechanics, and workshop directors.
Whether you require standard M14x1.5 Porsche/Audi replacement sets or a fully custom, low-volume wheel bolt line for hypercar conversions in La Condamine, our engineering team is ready to analyze your drawings.
Inquire Now