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Race Spec Titanium Hex Flange Bolts for Motorcycle Racing - China Suppliers & Factory Offering Grade 5 Quality
Key Features
Race Spec Weight Reduction
The race spec titanium hex flange bolt features a concave dome top with six drilled sides, removing non-structural mass while keeping all critical Grade 5 titanium load paths intact. This design reduces unsprung weight and enhances rotational response, and perfect for high-performance racing modifications.
Pre-Drilled for Safety Wire
Six precision 1.5–2.0 mm holes on the flange head allow stainless-steel safety wire installation. This ensures secure locking under extreme vibration or heat cycles, meeting motorsport standards and providing reliable torque stability.
Premium Aesthetic & Finish
Available in Burnt Blue, Gold, PVD Black, Rainbow, and Polished Silver. Controlled anodizing and PVD coatings ensure consistent color, corrosion resistance, and a refined finish, making the race spec titanium hex flange bolt both visually striking and exceptionally durable.
Integrated Flange Design
The one-piece flange increases the seating area, evenly distributing clamp force without extra washers. It protects sensitive aluminum and carbon fiber components from marks or deformation while keeping fastening consistent across repeated torque cycles.
High-Precision Rolled Threads
Precision-rolled threads preserve the continuity of the metal grain flow, significantly improving fatigue strength and wear resistance. Even after repeated assembly, the race spec titanium hex flange bolt remains smooth and resistant to galling.
Installation & Maintenance Guidance
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Apply a dedicated anti-seize lubricant to the threads. This prevents cold welding when the race spec titanium hex flange bolt is installed in aluminum or steel components.
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Follow the recommended torque values. The hollow and drilled head design requires careful torque control—avoid over-tightening to prevent any structural damage.
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Use precise hex or 12-point sockets. This protects the coated surfaces and sharp edges of the race-spec head from damage during installation.
Technical Specifications
1. Material & Mechanical Properties
| Parameter | Details |
|---|---|
| Material | Grade 5 Titanium (Ti-6Al-4V) |
| Density | 4.43 g/cm³ |
| Tensile Strength | ≥ 900 MPa |
| Yield Strength | ≥ 830 MPa |
| Hardness | 33–36 HRC |
| Corrosion Resistance | Excellent |
| Reference Standards | ISO Metric Thread |
2. Dimensional & Thread Data
| Parameter | Details |
|---|---|
| Diameter Range | M6 / M8 / M10 |
| Length Range | 15–50 mm |
| Thread Pitch | 1.0 / 1.25 / 1.5 mm |
| Thread Type | Metric Coarse |
| Drive Type | Hex / 12-Point Socket |
| Tolerance | ISO 6g |
3. Finishing & Customization Options
| Parameter | Details |
|---|---|
| Finish Options | Burnt Blue / Gold / Blue / Black / Rainbow / Silver |
| Processing Method | Polished / Anodized / PVD |
| Logo Engraving | Available |
| Packaging | Bulk cartons / Custom retail sets |
| OEM Customization | Supported (thread type, head style, finish, length) |
Application Scenarios
Motorcycle Racing Components
It is most commonly used in brake calipers, rotors, sprockets, and engine covers where lightweight design and wire-lock capability are essential. Recommended M6–M10, 18–40 mm. The race spec titanium hex flange bolt reduces rotating mass and secures fasteners under track vibration.
Automotive Performance
The titanium racing bolts are ideal for engine-bay upgrades, chassis trim, and non-structural lightweighting. M6 or M8 bolts secure covers, brackets, and trim while maintaining thermal stability and a clean appearance. They can provide reliable fastening and refined visuals.
Professional Bicycle Tuning
Perfect for cranks, stems, or lightweight drivetrain components on road, time trial, or downhill bikes. M6 bolts reduce mass while keeping torque control precise. These bolts help preserve structural integrity in sensitive racing setups.
Marine & Outdoor Precision Equipment
Designed for saltwater or outdoor use, M6–M8 race spec titanium hex flange bolts secure brackets, housings, and modular parts. Titanium’s corrosion resistance is enhanced by anodized or PVD finishes, providing durable and reliable fastening over time.
Frequently Asked Questions
What makes Grade 5 Titanium ideal for race spec bolts?
Grade 5 Titanium (Ti-6Al-4V) offers an exceptional strength-to-weight ratio with a density of 4.43 g/cm³, tensile strength ≥ 900 MPa, and excellent corrosion resistance. This makes it perfect for reducing unsprung weight without compromising structural integrity.
Why are there pre-drilled holes in the flange head?
The head features six precision 1.5–2.0 mm holes specifically designed for safety wire installation. This prevents the bolt from loosening under extreme track vibrations and high thermal cycles, meeting strict motorsport safety standards.
Do I need to use washers with these flange bolts?
No. The integrated one-piece flange design increases the seating area to distribute clamp force evenly. This eliminates the need for separate washers and protects sensitive carbon fiber or aluminum components from deformation.
How do I prevent thread galling during installation?
You should always apply a dedicated anti-seize lubricant to the threads before installation. This prevents cold welding/galling, especially when threading the titanium bolt into steel or aluminum components.
What styling and dimensional options are available?
These bolts are available in diameters ranging from M6 to M10 and lengths from 15mm to 50mm. Aesthetic options include Burnt Blue, Gold, PVD Black, Rainbow, and Polished Silver finishes.