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Grade 5 Titanium Flower Head Flange Bolts with Torx Drive - China Suppliers and Factory for Motorcycle, Bicycle, and Automotive
Key Features
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Precision Dual-Tier Scalloped CNC DesignMachined using a high-precision CNC machining center. The six-petal, dual-layer concave profile increases light reflection and visual depth. These Titanium flower head bolts also function as a visible design element in high-end assemblies.
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Integrated Wide Flange HeadThe head and flange are formed as a single piece. The wide, flat base distributes clamping force more evenly. It removes the need for washers and helps reduce noise caused by loosened hardware.
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Grade 5 Titanium Construction (Ti-6Al-4V)Manufactured from TC4 titanium with tensile strength ≥ 895 MPa. It offers a clear weight advantage compared to steel fasteners. At the same time, it maintains stable mechanical performance in demanding conditions.
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High-Tolerance Torx DriveThe Torx drive provides a larger contact area than standard hex sockets. This reduces the risk of rounding during repeated installation and removal. In practice, Titanium flower head bolts maintain better head condition over time across different sizes.
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Stable PVD & Anodized Color FinishSurface colors are applied through controlled PVD or anodizing processes. The coating shows consistent tone and good adhesion. It remains stable under long-term exposure to sunlight and heat.
Installation & Maintenance Guidance
● Correct Tooling (Torx Fitment). Ensure the Torx driver (T25 / T30 / T45) matches the bolt size and is in good condition. Proper engagement helps protect the precision machined scalloped edges.
● Avoid Harsh Chemical Cleaning. Surface finishes are applied by anodizing or PVD processes. Avoid strong acidic or alkaline cleaners. Use neutral solutions to maintain color consistency.
● Thread Lubrication. Apply anti-seize to threads before installation. This helps prevent galling and ensures smooth removal, especially during repeated assembly.
Technical Specifications
1. Material & Mechanical Properties
| Parameter | Details |
| Material | Grade 5 Titanium (Ti-6Al-4V) |
| Density | 4.43 g/cm³ |
| Tensile Strength | ≥ 895 MPa |
| Yield Strength | ≥ 830 MPa |
| Hardness | 30–36 HRC |
| Corrosion Resistance | Excellent |
| Reference Standards | Non-standard / Compatible with Metric (ISO/DIN) threads |
2. Dimensional & Thread Data
| Parameter | Details |
| Diameter Range | M5 / M6 / M8 / M10 |
| Length Range | 10–60 mm |
| Thread Pitch | - |
| Thread Type | Metric Machine Thread |
| Drive Type | Torx drive |
| Tolerance | Manufacturer Standard |
3. Finishing & Customization Options
| Parameter | Details |
| Processing Method | Natural Titanium / Anodized / PVD Coating |
| Logo Engraving | Available |
| Packaging | Bulk cartons / Custom retail sets |
| OEM Customization | Supported (size, length, finish, color) |
Application Scenarios
Motorcycle Applications
● Fairings, Body Panels & Engine Covers
Fairings, side panels, and engine covers typically require M5–M6 fasteners in visible areas. Titanium flower head bolts improve visual consistency while keeping panel removal simple during routine service.
● Brake Disc & Decorative Hardware
Brake disc bolts and exposed engine hardware benefit from consistent head styling. These fasteners help maintain a unified appearance without affecting access for maintenance.
Other Applications
● Bicycle Stem, Brake Rotor & Bottle Cage Mounts
On high-end bicycles, M5 fasteners are used across stems, rotors, and accessories. Titanium flower head bolts provide refined hardware detail while keeping installation straightforward.
● Automotive Engine Bay Covers & Visible Trim Points
Engine covers, brackets, and trim points are often secured with M6–M8 fasteners in exposed areas. These fasteners help achieve a more consistent hardware appearance in detail-focused engine bays.
Frequently Asked Questions
What are the main benefits of using Grade 5 Titanium for these bolts?
Grade 5 Titanium (Ti-6Al-4V) offers an outstanding strength-to-weight ratio, being significantly lighter than steel while maintaining a high tensile strength of ≥ 895 MPa. It also provides exceptional corrosion resistance, making it ideal for demanding automotive, motorcycle, and bicycle applications.
What is the advantage of the dual-tier scalloped CNC design?
The precision-machined six-petal, dual-layer concave profile is not only structurally robust but also acts as an aesthetic enhancement. It increases light reflection and visual depth, adding a premium, finished look to visible assemblies.
Why do these bolts feature a Torx drive instead of a standard hex socket?
The Torx drive design maximizes the contact surface area between the tool and the fastener. This reduces tool slippage and minimizes the risk of rounding out the bolt head during repeated installation and removal cycles.
Do I need to use separate washers with these titanium flower head bolts?
No, these bolts feature an integrated wide flange head. The wide, flat base distributes clamping force evenly across the surface, eliminating the need for washers and helping prevent hardware loosening and associated noise.
How should I maintain the anodized or PVD color finishes on these bolts?
To preserve the color integrity and finish, avoid cleaning the bolts with strong acidic or alkaline chemicals. Instead, use neutral pH cleaning solutions. Applying anti-seize lubricant to the threads before installation is also recommended to prevent galling.