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Grade 5 Titanium Socket Head Cap Bolts from China Suppliers - High Strength for Motorcycle & Automotive Factory 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
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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.
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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.
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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.
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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.
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Industrial & Aerospace Equipment
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 (FAQ)
Q: What materials are these socket head cap bolts made of?
Each Titanium Socket Head Cap Bolt is manufactured from aerospace-grade Grade 5 Titanium (Ti-6Al-4V), which offers up to 55% weight reduction compared to traditional steel bolts while maintaining a high tensile strength of ≥900 MPa.
Q: What is the benefit of the deep hex socket design?
The deep hex socket design allows for higher tightening torque without stripping the bolt head. This is especially useful in confined spaces or precision setups like engines and high-performance instruments where consistent clamping force is required.
Q: How do I prevent galling during the installation of titanium bolts?
For titanium-to-titanium or titanium-to-aluminum connections, we highly recommend applying a high-quality anti-seize compound. This prevents thread galling, ensures accurate torque application, and extends the overall life of the threads.
Q: What temperature range can these titanium bolts withstand?
These bolts are engineered to maintain clamping stability and resist thermal cycling in temperatures ranging from −100 °C to +450 °C, making them suitable for high-heat environments like exhaust manifolds or brake assemblies.
Q: What customization options do you offer?
We offer various customizations including surface finishes (polished, anodized, or PVD coating), color options (Silver, Gold, Blue, Purple, Black), custom thread types, head styles, lengths, logo engraving, and OEM custom packaging.
Q: Which standards do these titanium socket head cap bolts comply with?
Our titanium socket head cap bolts are manufactured in compliance with international standards ISO 4762 and DIN 912, ensuring precise dimensional tolerances and structural integrity.