Black Titanium Lug Nuts for Automotive Wheels — Lightweight, High-Strength Fastener Solution

Engineered from aerospace-grade Ti-6Al-4V (Grade 5 titanium), black titanium lug nuts deliver a tensile strength exceeding 950 MPa while weighing roughly 45% less than steel equivalents. This vacuum PVD black coating binds on a molecular level that is typical, producing a hardness of 2000-2500 Vickers for long-lasting scratch resistance. Titanium wheel nuts in both metric and imperial thread. We provide complete OEM/ODM support. Designed for performance, durability and accuracy.

Specification	Details
Material	Grade 5 Titanium (Ti-6Al-4V)
Material Standards	ASTM B348, AMS 4928
Tensile Strength	≥950 MPa
Yield Strength	≥880 MPa
Density	4.43 g/cm³
Surface Treatment	Black PVD Coating (TiCN / TiAlN)
Coating Hardness	Approx. 2000–2500 HV
Temperature Resistance	Suitable for applications above 400°C, depending on coating and service conditions
Thread Type	Metric / Imperial, customized
Thread Size	Customized according to requirements
Dimensions	Custom-made according to customer drawings
Manufacturing Process	CNC Machining / Precision Turning
Surface Finish	Customized according to application requirements
OEM / ODM	Available
Inspection & Documentation	Material certificates and inspection reports available upon request

Titanium Lug Nuts

· Lightweight strength: 45% lighter than steel, with equivalent or superior tensile performance

· Permanent black finish: Vacuum PVD coating resists chipping, fading, and acidic road chemicals

· Corrosion immunity: Titanium's passive oxide layer protects against salt, moisture, and galvanic reactions with aluminum wheels

· High thermal stability: Maintains structural integrity beyond 400°C — critical near high-performance brake systems

· Superior fatigue life: Outlasts aluminum 7075-T6 under repeated installation cycles

Product Comparison

Feature	Black Titanium Lug Nuts	Steel Lug Nuts	Aluminum Lug Nuts
Material	Grade 5 Titanium (Ti-6Al-4V)	Alloy / Carbon Steel	Aluminum Alloy
Weight	~45% lighter than steel	Heavy	Lightweight
Tensile Strength	≥950 MPa	~800–1,000 MPa*	Lower than titanium
Corrosion Resistance	Excellent	Moderate to poor; prone to rust	Good
Black Finish	PVD coating; high wear resistance	Painted or coated; may chip or wear	Anodized; color may vary or fade
High-Temperature Stability	Excellent; suitable for high-temperature applications	Good	Lower than titanium
Thread Durability	High strength and good fatigue resistance	Good	Lower; more susceptible to thread damage
Galvanic Corrosion with Alloy Wheels	Low when properly installed	Generally low, depending on coating/material	Requires proper material and installation considerations
Typical Applications	Racing, performance cars, motorsports, premium vehicles	OEM and general automotive use	Lightweight racing and performance applications

Lightweight Construction

Titanium Lug Nuts application

Excellent Corrosion Resistance

Titanium lug nuts application

High Strength

Titanium Lug Nuts application

Motorsport & Track Use: Reducing rotating mass directly affects lap times. Our black titanium wheel nuts are built for GT racing and time-attack environments where heat resistance at the hub is non-negotiable.

Luxury & Supercar Aftermarket: Porsche, Ferrari, McLaren, and BMW M-series builds benefit from the stealth black aesthetic and the elimination of galvanic corrosion between titanium nuts and forged aluminum wheels.

Coastal & Harsh Climate Fleets: In marine environments or regions with heavy road salting, titanium's passive oxide layer — reinforced by the PVD barrier — keeps black titanium lug nuts removable after years of exposure, avoiding costly torch-and-drill removal of seized steel hardware.

Steel lug nuts corrode, seize, and add unnecessary rotational mass. Our titanium lug nuts solve all three problems at once.

Grade 5 titanium (Ti-6Al-4V) offers a density of just 4.43 g/cm³ compared to steel's 7.85 g/cm³. That translates to roughly 2.5–3 lbs of saved rotational mass per vehicle — noticeably improving suspension response and handling precision.

The black PVD finish isn't paint. It's a vacuum-deposited ceramic-like layer (TiCN or TiAlN based) that won't chip, flake, or fade — even under impact wrench use or heavy braking heat exceeding 400°C.

Each nut starts with verified Grade 5 titanium bar stock, inspected for chemical composition before machining begins.

CNC precision turning handles thread cutting, seat geometry, and outer profile with tight dimensional tolerances. Our 40+ CNC lathes and machining centers ensure consistent repeatability across both small batches and high-volume orders.

After machining, parts go through surface preparation and PVD coating in a vacuum chamber. This process molecularly bonds the black ceramic layer directly to the titanium substrate — no adhesives, no fillers.

Receiving Drawings

Annealing

Developing Machining Process

Finish Machining

Preparing Raw Materials

Deburring

Rough Machining

Deburring

Baoji Huacan operates from China's "Titanium Valley" in Baoji, Shaanxi — China's most concentrated titanium manufacturing hub.

Our facility includes 40+ CNC lathes, machining centers, and gantry systems with 10+ years of titanium machining experience. Annual production capacity exceeds 1,000 tons of finished titanium components, supporting 100+ international client collaborations across aerospace, automotive, and industrial sectors.


melting	melting	forging	forging	rolling

Every batch follows a multi-stage inspection protocol:

· Raw material verification: Spectrometer-based chemical composition checks

· In-process dimensional control: Real-time monitoring during CNC machining

· Thread inspection: Go/no-go gauges and thread profile verification

· Surface inspection: Roughness measurement and visual defect screening

· Final review: Full documentation including MTC and inspection reports shipped with every order

Mechanical Properties Testing

Inner Diameter Measurement

Ultrasonic Testing

CMM Dimensional

Mounting Hole Diameter Measurement

Quality Management System Certification

Option	Details
Component Protection	Custom foam inserts to protect precision surfaces and prevent movement
Moisture Protection	Vacuum-sealed bags with desiccants
Bulk Packaging	Sturdy wooden crates for large or heavy shipments
Documentation	Product labeling, MTC, inspection reports, and traceability records
Air Freight	Available for time-sensitive orders
Sea Freight	Cost-effective for large-volume shipments

Q: Will the black finish chip with an impact wrench?

A：PVD coatings are molecularly bonded and won't flake. Using a soft-socket impact wrench is still recommended to preserve the surface long-term.

Q: Can titanium lug nuts seize to wheel studs?

A：Titanium can cold-weld under pressure. Always apply copper or nickel-based anti-seize to threads during installation — this fully eliminates the risk.

Q: Are factory torque specs compatible?

A：Yes. Grade 5 titanium is fully compatible with standard torque values (typically 85–110 ft/lbs). Titanium's elasticity actually helps maintain clamping force more consistently than steel.

Q: How do I clean the black finish?

A：pH-neutral soap and water is all you need. Avoid acidic wheel cleaners — they can degrade the PVD coating's hydrophobic properties over time.

Contact Us

Ready to upgrade your wheel fasteners like black titanium lug nuts? Contact us at sherry@hc-titanium.com for OEM pricing and custom specifications.