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Titanium Flanged Concave Hex Head Bolts from China Suppliers - Factory Direct for Motorcycles & Performance Vehicles
Key Features
Reduced Unsprung Mass
The titanium flanged concave hex head bolts feature a sculpted concave head profile that removes excess material while preserving strength. This carefully balanced geometry helps reduce the unsprung weight in motorcycles and sports vehicles, improving suspension response and cornering stability.
Torque-Stable Concave Head
The integrated head and flange design of each titanium flanged concave hex head bolt ensures even torque transfer across the contact area, minimizing stress concentration and maintaining fastening stability under vibration or repeated dynamic loads.
Aerodynamic & Flush Fit
The curved head fits smoothly against fairings, calipers, and body panels, providing both aerodynamic efficiency and a refined appearance. Ideal for custom motorcycles and high-performance modifications.
CNC Precision Threads
Every bolt surface and thread is CNC-machined with rolled threading for superior fatigue resistance, tight tolerance, and uniform preload retention. These qualities make the bolt reliable across multiple installation cycles.
Custom Finish & Branding
Available in anodized rainbow, blue, black, or gold finishes, the titanium flanged concave hex head bolt offers lasting corrosion protection with a premium appearance. Optional PVD coating and laser engraving support OEM branding or personalized customization.
Installation & Maintenance Guidance
Apply a high-quality anti-seize compound when connecting titanium to titanium or titanium to aluminum to prevent galling.
Torque bolts to specification using a calibrated wrench; over-torquing can deform the concave head.
Inspect fasteners periodically after high-stress or track use to maintain clamping reliability.
Technical Specifications
1. Material & Mechanical Properties
| Parameter | Details |
|---|---|
| Material | Grade 5 Titanium (Ti-6Al-4V) |
| Density | 4.43 g/cm³ (≈55% lighter than steel) |
| Tensile Strength | ≥ 900 MPa |
| Yield Strength | ≥ 830 MPa |
| Hardness | 34–36 HRC |
| Fatigue & Shear | High resistance under vibration and cyclic load |
| Corrosion Resistance | Resistant to salt, moisture, and road chemicals |
| Standards Compliance | ISO 4162 / DIN 6921 |
2. Dimensional & Thread Data
| Parameter | Details |
|---|---|
| Diameter Range | M6–M10 |
| Length Range | 15–45 mm |
| Thread Pitch | 1.0–1.5 mm |
| Thread Type | Metric Coarse / Fine |
| Drive Type | Concave Hex |
| Tolerance | ±0.05 mm |
| Head Dimensions | Flanged, CNC curved – refer to table upon request |
3. Finishing & Customization Options
| Parameter | Details |
|---|---|
| Surface Finish | Natural / Anodized / PVD Coating |
| Color Options | Rainbow / Blue / Black / Gold |
| Logo Engraving | Available |
| Packaging | Bulk cartons / Custom retail sets |
| OEM Customization | Supported (thread type, head style, finish, length) |
Application Scenarios
Motorcycle Assembly & Upgrades
Commonly used in fairings, brake discs, and frame panels (M6–M8 × 20–35 mm). Titanium flanged concave hex head bolts combine strength and precision. Their concave head ensures smooth aerodynamics and refined visual appeal in motorcycle customization.
Automotive Tuning
Applied to lightweight body panels, undercarriage protection, and engine bay parts (M6–M10 × 15–40 mm), these bolts reduce overall mass while maintaining reliable fastening under high vibration and dynamic loads.
High-End Bicycle & E-Bike
Perfect for handlebar clamps, disc mounts, and frame joints (M5–M6 × 15–25 mm). Titanium flanged concave hex head bolts offer excellent weight balance, corrosion resistance, and long-term durability for riders seeking both performance and aesthetics.
Precision Equipment & Machinery
Used in robotic arms, instrument frames, and lightweight machinery structures (M6–M10 × 20–50 mm), these bolts deliver firm clamping with minimal added weight, supporting precise assembly and extended product lifespan.
Frequently Asked Questions (FAQ)
Q1:
What are the main benefits of using titanium flanged concave hex head bolts?
These bolts offer a significant reduction in unsprung mass (being approximately 55% lighter than steel) while maintaining high tensile strength, exceptional corrosion resistance, and a stable torque distribution thanks to the integrated flange design.
Q2:
Why is anti-seize compound recommended during installation?
Applying a high-quality anti-seize compound prevents galling (cold welding) when joining titanium to titanium or titanium to aluminum surfaces, ensuring smooth installation and removal.
Q3:
In which applications are these bolts most commonly used?
They are widely used in motorcycle and automotive performance upgrades (such as fairings and engine bays), high-end bicycle components, and precision lightweight machinery where weight reduction and durability are critical.
Q4:
What customization options are available for these fasteners?
We support full OEM customization, including custom thread types, head styles, specific lengths, custom laser engraving for logos, and finishes such as anodizing (rainbow, blue, black, gold) or PVD coating.
Q5:
What standards do these titanium flanged concave hex head bolts comply with?
These precision bolts are manufactured to comply with industry-recognized standards, specifically ISO 4162 and DIN 6921, ensuring uniform tolerances and dimensional quality.