Gr5 Titanium Lug Wheel Bolts M14x1.5 — Lightweight Fastening Solution for High-Performance Vehicles

Gr5 Titanium Lug Wheel Bolts M14x1.5 deliver a precision-engineered fastening solution built from aerospace-grade Ti-6Al-4V alloy. Each bolt weighs about 48g – around 45% less than steel counterparts – while retaining an Ultimate Tensile Strength of 900 - 1000 MPa. The M14x1.5 thread is CNC machined to strict tolerances and finished with rust-proof anodising for long-term corrosion resistance. Baoji Huacan has 10+ years of expertise in titanium machining and is ISO 9001 certified, offering the best OEM production runs or bespoke specifications based on your designs with consistent quality.

Parameter	Details
Material Grade	Grade 5 Titanium (Ti-6Al-4V)
Material Standard	ASTM B348 / AMS 4928
Thread Size	M14 × 1.5
Length	50 mm (Custom sizes available)
Tensile Strength	900–1,000 MPa
Thread Type	Rolled Thread
Surface Finish	Natural Titanium / Custom Anodizing
Tolerance	6g (Custom tolerances available)

Solutions One

Titanium wheel lug bolts application

Solutions One

Titanium wheel lug bolts application

Solutions One

Titanium wheel lug bolts application

Solutions One

Titanium wheel lug bolts application

Performance & Motorsport Vehicles

Used in racing environments where components endure extreme thermal cycling and high G-forces. The high heat resistance of Ti-6Al-4V prevents bolt relaxation caused by brake heat soak — a real risk at track days.

European OEM & Aftermarket Fitments

Commonly specified for BMW M-Series, Porsche, Audi RS, and Mercedes AMG platforms, as well as EV applications including Tesla Model 3/Y Performance. The M14x1.5 thread is a standard fitment across these vehicles.

Marine & Coastal Environments

In high-salinity environments, steel lug bolts corrode and seize — creating a maintenance and safety hazard. Grade 5 titanium's passive oxide layer eliminates this risk entirely for Gr5 Titanium Lug Wheel Bolts M14x1.5, making these bolts a reliable choice for coastal and marine vehicle applications.

One of the best methods to enhance vehicle dynamics is to reduce unsprung weight. These titanium wheel bolts at under 48g per bolt instantly improves suspension responsiveness, braking sensation and acceleration.

Road salt and moisture freeze steel bolts solid. Ti-6Al-4V generates a permanent passive oxide coating that will withstand air corrosion, acids and salt exposure forever. This makes them perfect for coastal regions and race day cars.

Our manufacturing is supported by 40+ CNC machines, in-house quality inspection using CMM and spectrometers, and full material traceability. You receive a fastener built to perform — not just look good.

Each bolt begins with certified Grade 5 titanium bar stock, verified by chemical composition analysis using XRF spectrometry. CNC turning and precision thread rolling are applied to achieve tight dimensional accuracy and superior fatigue resistance.

Rolled threads — rather than cut threads — preserve the grain flow of the titanium material. This significantly improves fatigue strength and prevents stress risers that could lead to failure under cyclic wheel loads.

Secondary processes include deburring, surface finishing, and anodizing. Every batch undergoes thread profile inspection using Go/No-Go gauges before release.

Receiving Drawings

Annealing

Developing Machining Process

Finish Machining

Preparing Raw Materials

Deburring

Rough Machining

Deburring

Baoji Huacan operates 40+ CNC lathes and machining centers, including 5-axis systems and gantry machining centers. Annual precision machining capacity supports both small custom batches and high-volume production exceeding 1,000 tons per year.

Raw materials are sourced from certified suppliers and verified against ASTM B348 and AMS 4928 before entering production. Full material traceability is maintained across every batch.


melting	melting	forging	forging	rolling

· XRF Chemical Composition Analysis — confirms Ti-6Al-4V elemental breakdown

· CMM Dimensional Inspection — verifies thread profile and critical dimensions

· Go/No-Go Thread Gauging — 6g tolerance class confirmed per batch

· Tensile & Proof Load Testing — sample destructive testing per batch

· Hardness Testing (HRC) — verified within 30–36 HRC range

· Surface Inspection — visual and microscopic check for cracks, burrs, or galling

· Full Batch Documentation — material cert, inspection report, traceability record included

Certifications

Baoji Huacan New Metal Materials Co., Ltd. holds ISO 9001 quality management system certification, covering all stages from raw material selection through final inspection and shipment.

Production processes comply with ASTM B348, AMS 4928, and applicable DIN standards. Full inspection documentation is available with every shipment.

Mechanical Properties Testing

Inner Diameter Measurement

Ultrasonic Testing

CMM Dimensional

Mounting Hole Diameter Measurement

Quality Management System Certification

Packaging Type	Application
Custom foam inserts	Individual bolt protection
Vacuum-sealed bags with desiccants	Moisture protection during transit
Wooden crates	Bulk shipments
Detailed labeling & documentation	Traceability and customs compliance

Air freight is available for urgent orders. Sea freight is recommended for cost-effective bulk shipments.

Q: Will titanium bolts cause galvanic corrosion with aluminum wheels?

A：Generally, no. The passive oxide layer on titanium acts as an insulator. Using anti-seize paste on threads is recommended to prevent galling, not corrosion.

Q: What torque should I use for M14x1.5 titanium bolts?

A：Follow your vehicle manufacturer's specification — typically 140Nm / 103 ft-lbs for M14x1.5. Gr5 titanium handles factory torque specs safely.

Q: Why are rolled threads important for wheel bolts?

A：Rolled threads maintain the material's grain flow, increasing fatigue resistance. Cut threads sever the grain structure and create stress concentration points — unacceptable for safety-critical wheel fasteners.

Q: Can I use an impact wrench to install these?

A：It's strongly recommended to use a calibrated torque wrench. Impact tools risk thread galling — a cold-welding effect that can damage both bolt and hub threads.

Q: Can you produce custom lengths or head styles?

A：Yes. Send your drawings or specifications to sherry@hc-titanium.com and we'll provide a tailored quotation for your exact requirements.

Upgrade Your Vehicle's Performance Today

Ready to upgrade your wheel fasteners with Gr5 Titanium Lug Wheel Bolts M14x1.5? Contact us at sherry@hc-titanium.com for pricing, samples, or OEM orders.