High-Strength Titanium Exhaust Stud Bolt Kit for Motorcycles - China Suppliers and Factory
Key Features
Titanium stud bolts maintain uniform clamping force on exhaust flanges even under repeated heat cycles up to 400 °C. Unlike steel studs that lose tension with thermal stress, these studs prevent exhaust leaks and keep the cylinder head tightly sealed to the flange over long-term use.
The precision-machined threads of titanium stud bolts resist rust, carbon deposits, and high-temperature bonding. This ensures smooth installation and removal, minimizing the risk of thread galling, seizure, or damage to aluminum cylinder heads, even after extensive use.
The internal hex drive allows hand-starting in tight engine spaces without using double-nut methods, reducing cross-threading. Lightweight titanium further improves handling during frequent exhaust maintenance.
Resistant to moisture, road salt, and exhaust condensate, titanium stud bolts maintain consistent torque over time. Unlike conventional steel, the threads do not seize or corrode, simplifying future maintenance and extending service life.
Optional titanium nuts and washers provide even flange compression. Standardized thread pitch and seating prevent mismatched components and reduce thermal expansion issues in mixed-metal assemblies.
With M8/M10 standard pitch and fixed lengths, titanium stud bolts fit most motorcycle exhaust flanges without modification. Correct thread engagement prevents bottoming, misalignment, or insufficient contact, ensuring a reliable and repeatable installation for performance motorcycle parts.
Installation & Maintenance Guidance
Use high-temp anti-seize sparingly on reused studs; excessive lubricant can alter torque readings and reduce clamping reliability.
Inspect threads and mating surfaces during service intervals; titanium studs resist corrosion and galling, ensuring repeated removal without damage.
Technical Specifications
| Parameter | Details |
| Material | Grade 5 Titanium (Ti-6Al-4V) |
| Density | 4.43 g/cm³ |
| Tensile Strength | ≥ 900 MPa |
| Yield Strength | ≥ 830 MPa |
| Hardness | 34–36 HRC |
| Fatigue & Shear | High fatigue strength under cyclic loads |
| Corrosion Resistance | Excellent (moisture, salt, mild chemicals) |
| Operating Temperature Range | up to ~400 °C continuous service |
| Standards Compliance | DIN 938; ISO 261 / ISO 965 |
| Parameter | Details |
| Diameter Range | M8/M10 |
| Length Range | 35–65 mm |
| Thread Pitch | M8 1.25, M10 1.55 mm |
| Thread Type | Metric Coarse |
| Drive Type | Hex Socket (internal) |
| Tolerance | ISO 6g |
| Parameter | Details |
| Surface Finish | Natural Titanium / Polished / Anodized / PVD Coating |
| Logo Engraving | Available |
| Packaging | Bulk cartons / Custom retail sets |
| OEM Customization | Supported (thread type, head style, finish, length) |
Application Scenarios
Titanium Stud Bolts keep exhaust headers tightly clamped even under repeated heat cycles, preventing leaks and minimizing gasket wear for reliable cylinder-head sealing.
Suitable for mounting near catalytic converters, turbo connections, or mid-pipe brackets, where steel fasteners corrode or loosen.
Supports upgraded exhausts that require steady flange alignment and reliable torque. High fatigue strength and anti-seize threads allow repeated removal, making them fit for aftermarket exhaust hardware.
Frequently Asked Questions
Grade 5 Titanium (Ti-6Al-4V) offers an outstanding strength-to-weight ratio, high tensile strength (≥ 900 MPa), and excellent fatigue resistance, making it ideal for high-temperature and high-stress exhaust applications.
Yes, titanium is highly resistant to rust, road salt, moisture, and exhaust condensate, which prevents the threads from seizing or galling even after long-term thermal exposure.
These titanium stud bolts are rated for continuous service in environments up to approximately 400 °C without losing clamping tension.
Yes, they are designed with standard M8 and M10 thread pitches and standard lengths to serve as direct fit replacements for most motorcycle exhaust flanges.
It is recommended to use high-temperature anti-seize sparingly on reused studs to ensure smooth installation, but excessive lubrication should be avoided as it can alter torque measurements.
We offer custom options including polished, anodized, or PVD coated finishes, logo engraving, custom thread types, head styles, and lengths to meet specific OEM requirements.