Why Choose Titanium Lug Bolts for Audi VW and Bentley Vehicles

Titanium lug bolts have become a popular upgrade for owners of Audi VW and Bentley vehicles who demand top-tier performance safety and aesthetics. By replacing traditional steel bolts with titanium variants drivers can unlock significant benefits including weight savings corrosion resistance and durability. This article will explore the full range of titanium lug bolt options available for these European luxury and performance brands

From the classic 28 millimeter length to extra-long 60 millimeter bolts and from hex head to TORX head and locking bolts we provide a complete overview of these premium fasteners

What Makes Titanium Lug Bolts Superior

Titanium particularly aerospace grade 6AL4V Ti alloy is used extensively in the motorsport and aviation industries due to its extraordinary mechanical properties. These same benefits apply when used in wheel bolts for luxury and performance vehicles

Key advantages include

Lightweight construction Each titanium lug bolt is up to 50 percent lighter than traditional steel bolts reducing unsprung weight and rotational mass
Corrosion resistance Titanium naturally resists rust and oxidation making it ideal for harsh road and weather conditions
Fatigue resistance Rolled threads and the molecular structure of Ti6AL4V offer superior performance under cyclic loading
High strength Titanium bolts maintain excellent tensile strength even under extreme heat
Visual appeal Natural titanium and BLACK PVD coatings offer an aggressive clean and long-lasting finish

Bolt Head and Seat Details

All bolts in this series feature the following base configuration unless otherwise specified

Head type 17 millimeter hex or TORX T70
Seat type R13 ball seat
Material Grade 5 6AL4V Titanium
Finish Options Natural or BLACK PVD
Thread pitch M14x15
Lengths available 28mm 38mm 43mm 45mm 60mm
Packaging Available in sets of 10 20 or as locking kits with special tools

Overview of Available Lug Bolt Versions

28mm Ball Seat Lug Bolts

These are the most common size for Audi VW and Bentley vehicles without spacers. All variants have a 28 millimeter shank and R13 ball seat

Natural Finish 20 piece
Natural Finish 10 piece
Natural Finish TORX head 20 piece
Burnt Blue Finish TORX head 20 piece
BLACK PVD Finish 20 piece
BLACK PVD TORX head 20 piece
Locking Lug Bolt Kit 16 bolts 4 locks 1 key Natural Finish
Lock Only Set 4 lock bolts 1 key Natural Finish
Locking Lug Bolt Kit 16 bolts 4 locks 1 key BLACK PVD

38mm Ball Seat Lug Bolts

Designed for vehicles using mild wheel spacers 5 to 10 millimeters

Natural Finish 10 piece
Natural Finish TORX head 10 piece
BLACK PVD Finish 10 piece
BLACK PVD TORX head 10 piece

43mm and Longer Ball Seat Lug Bolts

Suitable for wheel spacers of 10 to 15 millimeters or aftermarket wheel applications

43mm Natural Finish 10 piece
45mm Natural Finish 10 piece
60mm Natural Finish 10 piece

Locking Lug Bolt Variants

Security is just as important as style and performance. The titanium locking bolts feature a 7 sided head nearly identical to a standard 6 sided hex but require a dedicated removal key. This provides a secure locking solution without compromising visual design

The available locking options include

28mm Ball Seat Locking Kit Natural Finish 16 standard bolts 4 locks 1 key
28mm Ball Seat Locking Kit BLACK PVD 16 standard bolts 4 locks 1 key
Lock Bolt Only Set Natural Finish 4 bolts and 1 key

These kits are ideal for owners looking to maintain clean wheel aesthetics while preventing theft of expensive wheels

TORX Head Titanium Lug Bolts

For those who prefer added installation security or unique styling the TORX head option offers an excellent alternative. These bolts use a T70 pattern for added torque control and security

28mm TORX Head Natural Finish 20 piece
28mm TORX Head Burnt Blue 20 piece
28mm TORX Head BLACK PVD 20 piece
38mm TORX Head Natural Finish 10 piece
38mm TORX Head BLACK PVD 10 piece

TORX installation tool is available separately

Audi R8 and RS Specific Lug Bolts with Swivel Base

For Audi R8 and RS models titanium two piece bolts with swivel base are available. These bolts directly replace the factory Audi part WHT002438 which includes a rotating washer. All options include ball seat compatibility and come in multiple lengths to accommodate different spacer configurations

28mm Shaft Natural Titanium 10 piece
28mm Shaft Natural Titanium TORX Head 20 piece
28mm Shaft BLACK PVD HEX Head 20 piece
28mm Shaft BLACK PVD TORX Head 20 piece
39mm Shaft Natural Titanium 10 piece
39mm Shaft BLACK PVD 10 piece
44mm Shaft Natural Titanium 10 piece
44mm Shaft BLACK PVD 10 piece

This allows users to mix lengths front and rear if different wheel spacers are used across axles. All R8 and RS bolts are manufactured with the same aerospace titanium alloy and are compatible with OEM wheels

Finish Options Explained

Natural Finish
The raw silver gray appearance of titanium provides a subtle sporty appearance. Brushed or polished wheels pair perfectly with this finish

BLACK PVD
This coating is far superior to paint or anodizing. It is applied using a high energy vacuum deposition process that creates a hard protective black layer. Ideal for black wheels or high contrast design themes

Burnt Blue
Created by heat coloring titanium this finish delivers a gradient of purple blue and bronze and is best suited for show builds or motorsport inspired wheels

Bolt Length and Fitment Guidance

Choosing the correct bolt length is essential for safe installation. Below is a general guide

28mm for factory wheels without spacers
38mm for 5mm to 10mm spacers
43mm and 45mm for 10mm to 15mm spacers
60mm for 20mm spacers or very thick aftermarket wheels
R8 and RS specific bolts are available in 28mm 39mm and 44mm lengths to match spacer or aftermarket wheel setups

Performance Benefits

Replacing steel bolts with titanium upgrades offers the following

Reduced unsprung weight This improves suspension response cornering and braking
Improved heat resistance Titanium retains strength at high temperatures generated during aggressive driving
Superior corrosion resistance No rust even in salt snow or coastal conditions
Long term durability Titanium will last far longer than treated steel or zinc plated bolts
Motorsport proven Titanium bolts are commonly used in professional racing due to their balance of weight and strength

Installation Tips

Use a torque wrench to ensure bolts are tightened to OEM specifications usually 120 Newton meters for M14x15 bolts
Apply a small amount of anti seize lubricant on the threads to prevent galling
Use only the correct tool type 17mm hex or T70 for TORX heads
Retorque bolts after driving 100 kilometers
Do not mix ball seat with cone seat bolts Always verify wheel seat type before installation

Application Compatibility

These titanium lug bolts are designed for vehicles using M14x15 thread pitch and R13 ball seats. This includes but is not limited to

Audi
A3 A4 A5 A6 A7 A8 Q3 Q5 Q7 Q8 S line RS models R8
VW
Golf Passat Arteon Jetta Tiguan Touareg
Bentley
Continental GT Flying Spur Bentayga

Always check the factory thread length and seating type before ordering

Frequently Asked Questions

Q Can I use these bolts with OEM wheels
A Yes all bolts use R13 ball seats which are standard for Audi VW and Bentley factory wheels

Q What is the difference between HEX and TORX bolts
A HEX bolts use a traditional 17mm socket while TORX bolts require a special T70 bit for installation

Q What makes BLACK PVD better than anodizing
A PVD coating is significantly more durable and resistant to scratching corrosion and UV damage

Q Do I need locking bolts
A Locking bolts provide added security especially for expensive aftermarket wheels and are recommended

Q How many bolts do I need for one car
A Most vehicles require 20 bolts total 5 per wheel Some Audi RS and R8 variants may vary

Conclusion

Upgrading to titanium lug bolts for your Audi VW or Bentley is a decision that delivers both performance and peace of mind. Whether you are focused on shaving weight for the track improving visual style or simply avoiding rust titanium is the superior choice. With multiple lengths finishes and lock options available this product line covers every enthusiast and professional need

Contact Details

For more information or to request a quote, feel free to contact us:

• Email:Jolina@bjhyti.com
• Phone: +86-18392721678
• Whatsapp:8613772660385

References

Audi AG Technical Documentation Platform Bolt Specifications
Volkswagen Group Wheel Fastener Standards 2022 Edition
Bentley Motors OEM Wheel and Lug Bolt Manual
ASTM B348 Standard Specification for Titanium Alloy Bars and Billets
Material Data Sheet Titanium Grade 5 Ti6Al4V MatWeb
Rolling Thread Technology in High Fatigue Applications Journal of Engineering Materials
Vehicle Dynamics and the Role of Unsprung Weight SAE Technical Paper Series 2023