Heavy Duty
GR5 Titanium Nuts M12*1.5 High Strength Hex Flange Full Thread Nuts
- Specification:
- M12 × 1.5 Pitch
- Material:
- Ti-6Al-4V Grade 5
- Application:
- Wheel Hub & Racing Lug
Engineered Fastener Inventory
Featured GR5 Titanium Hardware & Wheel Solutions
Precision CNC machined and hot/cold formed Grade 5 (Ti-6Al-4V) components designed for high-stress automotive hub assemblies, lightweight racing configurations, and specialized mechanical assemblies.
Precision Hex
GR5 Titanium Bolts M10*20mm Countersunk Head Hex Socket Bolts
- Specification:
- M10 × 20mm Length
- Material:
- Grade 5 Titanium
- Application:
- Flush Mount Rotor / Disc
Torx Drive
GR5 Titanium Bolts M6*25mm Umbrella Flange Head Inner Torx Bolts
- Specification:
- M6 × 25mm Flanged
- Material:
- Certified Ti-6Al-4V
- Application:
- Bodywork & Caliper Mount
Motorcycle
Gr5 Titanium Screws Titanium T30 Torx Bolts for Motorcycle
- Specification:
- Torx T30 Standard
- Material:
- Ti-6Al-4V Aerospace
- Application:
- Engine & Subframe Fastening
Safety Wired
GR5 Titanium Bolts M8*20mm Hex Flange Head Drilled Bolts
- Specification:
- M8 × 20mm Drilled Head
- Material:
- Ti-6Al-4V High Tensile
- Application:
- Motorsport Safety Wire Rig
Cycling Ultra
M6*12 Titanium Allen Hex Bolts Umbrella Type Screws Bike Frame Bolt
- Specification:
- M6 × 12mm Low Profile
- Material:
- Grade 5 Titanium
- Application:
- Bicycle Frame & Bottle Mount
Long Shank
GR5 Titanium Bolts M6*60mm Button Head Hex Socket Bolts
- Specification:
- M6 × 60mm Semi-Round
- Material:
- Ti-6Al-4V Grade 5
- Application:
- Structural Assembly Hardware
In Stock
GR5 Titanium Big Pan Hexagon Head Bolts in Stock M10*18
- Specification:
- M10 × 18mm Wide Flange
- Material:
- Grade 5 Titanium Bar
- Application:
- Heavy Mechanical Fasteners
Technical Whitepaper
Engineering Superiority: Ti-6Al-4V in High-Load Wheel Assemblies
A metallurgical examination of why automotive original equipment manufacturers (OEMs), motorsport engineering houses, and tier-one wheel manufacturers are migrating from standard 10.9-grade alloy steel to precision-rolled Grade 5 titanium wheel studs.
In the discipline of high-performance automotive dynamics, unsprung rotational mass directly influences vehicle agility, damper response frequency, and kinetic braking efficiency. A set of twenty wheel studs and matching lug hardware constitutes a critical rotating mass positioned furthest from the axle center. Sourcing custom-manufactured GR5 (Ti-6Al-4V) titanium wheel studs from reputable Baoji factories yields an immediate 42% to 45% weight reduction compared to class 10.9 or 12.9 chromoly (SCM435 or 40CrMo) fasteners, while preserving the mandatory yield threshold required to sustain extreme lateral cornering loads and high-speed centrifugal acceleration.
Beyond raw mass conservation, the structural viability of wheel studs is governed by their fatigue endurance limit under cyclical thermal spikes. High-performance braking systems frequently subject the wheel hub and studs to heat conduction gradients oscillating between ambient temperatures and 650°C (1202°F). Steel studs experience thermal degradation, surface oxidization, and micro-structural relaxation under repetitive heat cycles, which inevitably promotes fastener loosening or catastrophic shear failure. Grade 5 titanium boasts an exceptionally stable alpha-beta metallurgical phase, delivering unmatched resistance to thermal embrittlement, atmospheric oxidation, and galvanic corrosion from aggressive road de-icing agents or coastal salts.
4.43 g/cm³
Titanium Density vs 7.85 Steel
≥ 950 MPa
Cold-Forged Tensile Strength
≥ 880 MPa
Yield Strength (0.2% Offset)
100% Corrosion
Immunity to Road Salts & Fluids
| Material Designation | Density (g/cm³) | Tensile Strength (MPa) | Yield Strength (MPa) | Thermal Expansion (×10⁻⁶/K) | Fatigue Run-out (@ 10⁷ Cycles) |
|---|---|---|---|---|---|
| Navzo GR5 Titanium (Ti-6Al-4V Rolled) | 4.43 | 960 - 1050 | 890 - 930 | 8.6 | 510 MPa (High Endurance) |
| High-Tensile Alloy Steel (Class 10.9) | 7.85 | 1040 | 940 | 11.5 | 420 MPa |
| Motorsport Chromoly (SCM435 / Class 12.9) | 7.85 | 1220 | 1100 | 12.2 | 460 MPa (Brittle Fracture Risk) |
| Austenitic Stainless Steel (A2-70 / 304) | 7.90 | 700 | 450 | 16.0 | 280 MPa (Unsuitable for Hubs) |
A critical consideration highlighted in automotive fastener procurement is the Thread Forming Methodology. At our Baoji manufacturing base, we strictly avoid threading titanium studs by standard lathe turning or chip-cutting techniques. Cut threads disrupt the linear crystalline grain continuity of the titanium rod, creating concentrated stress-riser notches at the thread root where cyclic fatigue cracking originates. Instead, our high-speed hydraulic rolling machines plastically deform the Ti-6Al-4V bar stock post-heat treatment, forcing the metallurgical grains to curve continuously along the root and crest contours of the thread profile. This specialized process enhances the fatigue life of Navzo wheel studs by more than 300% over cut-thread competitors.
Market Dynamics 2025–2035
Future Global Sourcing Trends in Titanium Fasteners
How shifting vehicle electrification paradigms, raw material supply consolidation, and precision engineering criteria are reshaping how international buyers acquire titanium wheel hardware.
EV Unsprung Mass Optimization
With electric vehicle architectures carrying hefty battery packs, Tier-1 automotive engineering centers are actively reducing weight at the wheel hub assembly. Titanium studs counterbalance heavy motor systems, boosting overall regenerative braking efficiency and dynamic range.
Baoji Cluster Disintermediation
Global procurement teams are bypassing domestic regional distributors to contract directly with primary manufacturers based in Baoji, China. Direct factory collaboration eliminates intermediate markups while ensuring transparent traceability of titanium sponge purity.
Digital Mill Cert Verification
Modern supply agreements now mandate verifiable EN 10204 3.1 Mill Test Certificates (MTR) with optical spectrometer breakdown and ultrasonic non-destructive testing (NDT) data to avoid counterfeit grades in track-ready wheel assemblies.
Extended Stud Conversions
The global motorsport aftermarket is rapidly shifting from traditional lug bolts (European spec) to screw-in or press-in extended titanium studs with open-ended nuts. This configuration accelerates track-side wheel swaps and accommodates variable wheel spacer widths.
Manufacturing Evolution
Technological Frontiers in Titanium Wheel Stud Production
How advanced anti-galling surface modifications, hot-upsetting cold-roll hybrid lines, and custom knurl profiles are setting new reliability benchmarks.
Historically, one of the primary hurdles associated with titanium wheel fasteners has been thread galling (cold welding) under excessive torque or dry running conditions. As an industry-leading China exporter, Navzo has solved this metallurgical challenge through the deployment of Physical Vapor Deposition (PVD) Titanium Nitride (TiN), diamond-like carbon (DLC), and specialized dry-film molybdenum disulfide (MoS2) micro-encapsulated coatings. These specialized vacuum treatments create a ceramic-like surface micro-hardness exceeding 2200 HV, drastically diminishing the coefficient of friction and enabling smooth, reliable torque application without thread seizure.
In parallel, modern manufacturing demands precision-engineered interference knurls for press-in wheel studs. Using multi-axis Swiss CNC turning stations coupled with computerized optical dimension verification, our Baoji facility produces knurl diameters with microscopic tolerances within ±0.015mm. This guarantees an uncompromising press-fit seating inside original wheel hubs without cracking ductile cast iron or billet aluminum hub flanges.
Enterprise Strength
Why Global B2B Buyers Partner with Navzo Precision
Established on January 10, 2011, in Yucai Road, High-tech Development Zone, Baoji, Shaanxi — the world-renowned "Titanium Valley of China" — Navzo combines localized raw material control with high-precision CNC manufacturing.
Heart of Baoji Titanium Valley
Baoji produces the vast majority of China's titanium sponge and bar stock. Our strategic factory location ensures direct mill-certified sourcing, insulating our international clients from material shortages and volatile market markups.
100% Traceable GR5 Titanium
Every production batch of wheel studs and lug fasteners is paired with authentic chemical composition and tensile elongation test certificates, verifying adherence to ASTM B348, AMS 4928, and ISO quality guidelines.
Fully Integrated Production
From initial cold heading and multi-axis CNC Swiss turning to precision thread rolling, laser engraving, and custom PVD/burnt blue color finishing, all critical processes are monitored under one ISO-managed roof.
Rapid ≤1 Hour RFQ Response
Our dedicated engineering export desk maintains an uninterrupted 100% response rate with an average initial inquiry review completed within one hour, keeping your development and production schedules on track.
34%+ Verified Reorder Rate
Ranked #4 among high-volume fastener suppliers on international export platforms, our consistent dimensional repeatability and material integrity result in lasting partnerships across the USA, Germany, Japan, and the EU.
OEM & Custom Blueprint Execution
Whether you require conversion wheel studs (M14x1.25 to M12x1.5), bullet nose race tips, custom drive broaches (Internal Torx or Allen), or custom knurl lengths, our engineering division turns CAD models into production in days.
Production Infrastructure
Baoji Manufacturing Excellence & Stringent Quality Control
Navzo Precision Titanium Products Co., Ltd. operates a high-capacity production ecosystem optimized for precision titanium fastener cold forming, CNC contouring, and non-destructive quality testing.
- Multi-Axis CNC Lathes: High-precision turning stations dedicated exclusively to non-ferrous titanium alloys to eliminate cross-metal contamination.
- Hydraulic Thread Rolling: Post-heat-treatment cold rolling ensuring uninterrupted metallurgical flow and elevated shear fatigue resistance.
- Comprehensive In-House Metrology: Optical profile projectors, Mitutoyo digital thread micrometers, Rockwell hardness testers, and salt-mist chambers.
Buyer Knowledge Base
Frequently Asked Procurement Questions
Direct technical guidance from our Chief Metallurgist and Global Export Operations Team addressing the common engineering inquiries raised by wholesale buyers.
Why is Grade 5 (Ti-6Al-4V) preferred over Pure Titanium (GR2) for wheel studs?
Commercially pure titanium (Grade 2) provides exceptional corrosion immunity but possesses a tensile strength of merely ~345 to 450 MPa, which is insufficient for the dynamic shear and tensile stresses experienced at vehicle wheel hubs. Grade 5 (Ti-6Al-4V, UNS R56400) is an alpha-beta alloy containing 6% aluminum and 4% vanadium. When appropriately heat treated and thread-rolled, it achieves tensile strengths exceeding 950–1050 MPa and yield strengths over 880 MPa, matching or exceeding the load-bearing capacity of Grade 10.9 structural automotive steel bolts while weighing 44% less.
How does Navzo eliminate thread galling between titanium studs and lug nuts?
Titanium has a naturally occurring oxide film that can tear under high-load frictional sliding, causing cold welding or galling. Navzo resolves this through two primary engineering measures: first, by providing advanced surface modification such as Physical Vapor Deposition (PVD) titanium nitride or multi-layer MoS2 dry film lubrication; and second, by strictly adhering to rolled thread surface finish standards (Ra ≤ 0.4 μm). For bare or polished titanium threads, we supply clear installation guidelines recommending an anti-seize paste formulated with copper or molybdenum disulfide.
What is the functional difference between cut threads and rolled threads?
Machined or cut threads remove metal using single-point tools or taps, cutting across the continuous longitudinal grain flow of the raw titanium bar. This creates micro-grooves and stress concentrations at the root, drastically reducing fatigue life under cyclical braking and acceleration. Rolled threads are created by cold forming between hardened steel dies. The grain lines flow smoothly around the root and crest contours, creating compressive residual stress that boosts tensile fatigue life by 300% to 500% under real-world track conditions.
What quality verification documentation accompanies each export order?
Every shipment dispatched from our Baoji facility is accompanied by an EN 10204 Type 3.1 Inspection Certificate. This includes the direct heat number, chemical composition breakdown via optical emission spectrometry, mechanical tensile test records, yield data, elongation percentage, and Rockwell C hardness readings. Additionally, we provide digital dimensional inspection sheets detailing pitch diameter, thread lead accuracy, and runout tolerances verified by optical profile projectors.
What are the recommended torque specifications for titanium wheel studs?
Because the modulus of elasticity of Grade 5 titanium is roughly 114 GPa (approximately half that of structural steel at ~210 GPa), titanium fasteners stretch more readily within their elastic limits to produce clamping force. Generally, if using a high-quality anti-seize lubricant, the applied tightening torque should match the OEM vehicle manufacturer's dry steel torque specification or be adjusted by roughly 10% to 15% downward if lubricated, ensuring the stud achieves the engineered clamp preload without over-stretching.
Can Navzo produce custom knurled shanks and extended lengths for motorsport conversions?
Yes. Custom OEM and ODM manufacturing from engineering blueprints (PDF, DWG, STEP) represents a substantial portion of our business. We routinely manufacture press-in wheel studs with custom knurl diameters (e.g., 12.5mm, 13.1mm, 14.3mm, 15.7mm), extended length race studs (65mm to 90mm) featuring unthreaded bullet-nose drive tips, and European lug-bolt-to-stud conversion pins featuring dual-pitch threads (such as M14x1.25 into the hub transitioning to M12x1.5 or M14x1.5 for the lug nut).
How does Grade 5 titanium behave under severe brake rotor heat soak?
Under aggressive track driving or continuous downhill braking, rotor temperatures can conduct 400°C to 600°C directly into the hub assembly. Standard alloy steel studs expand rapidly (CTE ~12 × 10⁻⁶/K), potentially shifting clamping force or inducing heat-softening. Ti-6Al-4V has a substantially lower thermal expansion coefficient (8.6 × 10⁻⁶/K), aligning more closely with cast aluminium or carbon-ceramic brake rotor hats. Furthermore, its mechanical properties remain structurally intact at elevated operational temperatures where standard grades begin to temper and lose tension.
What are the Minimum Order Quantities (MOQ) and production lead times?
For standard catalog items, our typical production MOQ is 100 to 200 pieces per size, with many popular configurations kept in stock for immediate dispatch within 3 to 5 business days. For full bespoke OEM production runs requiring custom tooling, specialized knurl profiling, or branded laser engraving, our standard MOQ is 500 pieces, with prototype sample runs completed within 10 to 14 days and mass production shipments leaving our factory within 25 to 30 days via air courier or sea freight.
Request an Engineered Sourcing Quotation
Partner directly with China's foremost titanium fastener manufacturer in Baoji. Send your 2D/3D technical blueprints, pitch specifications, or target order volumes for immediate engineering review and factory-direct pricing.