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Grade 5 Titanium Socket Head Cap Bolts - China Factory Suppliers for Motorcycle and Automotive Applications
Key Features
⚡ High Strength-to-Weight Ratio
Each Titanium Socket Head Cap Bolt is made from aerospace-grade Ti-6Al-4V, offering up to 55% weight reduction compared to steel while maintaining ≥900 MPa tensile strength. It is suitable for performance assembly applications that require extremely high strength and efficiency.
🔧 Deep Hex Socket for Maximum Torque
The deep hex socket design allows higher tightening torque without stripping, especially in confined spaces or precision assemblies. It guarantees consistent torque tightening, which is particularly critical for high-performance engines and precision instruments.
🔩 Compact Cylindrical Head Design
The low-profile cylindrical head installs flush with the surface, combining aesthetics with functionality and saving space. This feature is particularly valued in motorcycle and automotive assembly for enhancing both aesthetics and aerodynamic performance.
⚙️ CNC Precision Machining & Cold Rolled Threads
Each bolt is CNC-machined with ±0.05 mm tolerance for perfect concentricity. Cold-rolled threads deliver fatigue resistance and smooth engagement, withstanding frequent assembly and disassembly cycles without wear or galling.
🎨 Surface Finish & Customization Options
Available in polished, anodized, or PVD-coated finishes for both visual appeal and durability. Custom colors, logo engraving, and OEM packaging also be provided to meet specific branding or technical requirements.
🌡️ Corrosion & Heat Resistance in Fastening
Titanium Socket Head Cap Bolts are engineered to perform reliably in salt, moisture, and thermal cycling conditions. They operate effectively between −100 °C and +450 °C, maintaining clamping stability even in high-temperature zones such as exhaust manifolds or brake assemblies.
Installation & Maintenance Guidance
For titanium-to-titanium or titanium-to-aluminum connections, we recommend using high-quality anti-seize compound to prevent galling, ensure accurate torque and extends thread life.
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 | Excellent in salt, moisture, and heat environments |
| Operating Temperature Range | −100°C to +450°C |
| Standards Compliance | ISO 4762 / DIN 912 |
📐 2. Dimensional & Thread Data
| Parameter | Details |
| Diameter Range | M3–M16 |
| Length Range | 8–120 mm (custom lengths available) |
| Thread Pitch | 0.5–2.0 mm |
| Thread Type | Metric Coarse / Fine |
| Drive Type | Hex Socket (Allen) |
| Tolerance | ±0.05 mm |
| Head Dimensions | ISO Standard – refer to table upon request |
✨ 3. Finishing & Customization Options
| Parameter | Details |
| Surface Finish | Polished / Anodized / PVD Coating |
| Color Options | Silver / Gold / Blue / Purple / Black |
| Logo Engraving | Available |
| Packaging | Bulk cartons / Custom retail sets |
| OEM Customization | Supported (thread type, head style, finish, length) |
Application Scenarios
Titanium socket head cap bolts are trusted in industries that demand strength, precision, and corrosion resistance with minimal weight.
🏍 Motorcycle Upgrades
Commonly used in frame joints (M6–M10), brake calipers (M8–M10), and engine covers (M5–M8). The combination of weight reduction and high torque capacity enhances vehicle handling, stability, and long-term durability for performance and racing applications.
🚗 Automotive Performance
Ideal for intake manifolds (M6–M8), suspension brackets (M8–M12), and lightweight chassis components (M10–M12). Titanium socket head cap bolts reduce unsprung mass while maintaining fastening security in high-vibration and high-temperature zones.
🚲 Bicycle & E-bike Components
Applied in stem clamps (M5–M6), disc rotors (M5), and crank interfaces (M6–M8), enhancing stiffness and long-lasting corrosion resistance. Perfect for riders pursuing lightweight performance without compromising reliability.
🏭 Industrial & Aerospace
Engineered for robotic arms, instrument housings, pressure vessels, and lightweight structural frames (M8–M16). The high fatigue strength of Grade 5 Titanium ensures consistent performance under vibration and thermal stress.
Frequently Asked Questions
❓ What are the primary benefits of using Grade 5 Titanium for socket head cap bolts?
Grade 5 Titanium (Ti-6Al-4V) offers an outstanding strength-to-weight ratio, being approximately 55% lighter than steel while maintaining a high tensile strength of ≥900 MPa. It also provides excellent fatigue, shear, and corrosion resistance in salt, moisture, and thermal environments.
❓ What is the recommended temperature range for these titanium bolts?
These Titanium Socket Head Cap Bolts operate reliably under extreme temperature conditions, maintaining clamping stability in environments ranging from −100 °C up to +450 °C.
❓ How do I prevent thread galling during installation?
For titanium-to-titanium or titanium-to-aluminum connections, it is highly recommended to apply a high-quality anti-seize compound. This helps prevent galling, ensures accurate torque application, and extends the overall thread life.
❓ What dimensions and customization options are available?
The bolts are available in standard thread sizes from M3 to M16 and lengths from 8 to 120 mm. Customization options include custom lengths, thread types, head styles, logo engraving, custom packaging, and surface finishes like polished, anodized, or PVD coating in colors such as silver, gold, blue, purple, and black.
❓ Which standards do these titanium socket head cap bolts comply with?
These precision-machined titanium bolts comply with standard industry specifications, specifically ISO 4762 and DIN 912, ensuring standard fitment and reliability.