China Factory Suppliers Titanium UFO Head Torx Self Tapping Bolts for Carbon Fiber and Plastic Panel Fastening
Key Features
● Integrated Wide Flange for Washer-Free Clamping
Every titanium UFO head bolt features a one-piece wide flange that works like a built-in washer. It spreads clamping force across a larger area and reduces stress on plastic or carbon fiber. This helps prevent cracking over time and removes the need for extra washers.
● Low-Profile Rounded UFO Head Design
The UFO head has a slim shape with smooth rounded edges. It sits flush after installation and leaves no sharp protrusions. This creates a cleaner look while reducing snagging risks or accidental scratches during daily use.
● Integrated Wide Sealing Flange
The wide flange increases contact with crush washers. It spreads clamping force evenly under high brake pressure, helping prevent leaks during repeated use.
● Deep Engagement Precision Torx Drive
The Torx drive provides more contact than a standard hex socket. Torque transfer feels more stable and controlled during installation. It reduces cam-out risk and stays precise even after repeated installation and removal.
● Aggressive Self-Tapping Thread for Strong Grip
Sharp, deep-cut threads allow titanium UFO head bolts to bite firmly into plastic and composite materials. The connection stays secure under vibration and is less likely to loosen over time.
Installation & Maintenance Guidance
-
⚠️Compatible Materials: Suitable for moderately pliable substrates such as aluminum, magnesium, plastics, and carbon fiber composites. Not recommended for steel, cast iron, or other very hard materials.
-
⚙️Pre-Drilling Recommendation: For titanium UFO head bolts on high density plastics or carbon fiber panels, pre-drill pilot holes (M5: 3.8–4.2mm) to ensure proper threading.
-
🚫Safety Notice: Self-tapping threads mean these screws must not be used in pre-threaded critical components like engines, brakes, or drivetrain assemblies.
-
🛡️Corrosion & Oxidation Care: Although titanium never rusts, to maintain the vibrancy of anodized finishes, avoid using strong acids or alkaline cleaners during washing.
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 | 30–36 HRC |
| Corrosion Resistance | Excellent |
| Reference Standards | ISO Metric Thread |
2. Dimensional & Thread Data
| Parameter | Details |
|---|---|
| Diameter Range | M4 / M5 / M6 |
| Length Range | 10–25mm |
| Thread Pitch | - |
| Thread Type | Self-Tapping |
| Drive Type | Torx (T20 / T25) |
| Tolerance | ISO 6g |
3. Finishing & Customization Options
| Parameter | Details |
|---|---|
| Processing Method | Anodized / PVD Coating / Natural Titanium |
| Logo Engraving | Available |
| Packaging | Bulk cartons / Custom retail sets |
| OEM Customization | Supported (length, finish, head marking) |
Application Scenarios
1. Motorcycle Customization
Body Panels & Fairings
Titanium UFO head bolts are ideal for securing motorcycle fairings, side covers, dashboards, fenders, and windshields. They ensure stable fastening without cracking plastic panels. (Recommended M5 × 12–20mm)
Detail Components & Mounts
They work well for license plate brackets, light covers, and small non-structural plastic mounts. The self-tapping threads hold parts firmly, even on vibration-prone areas (recommended M4 / M5).
2. Lightweight & Specialty Parts
Carbon Fiber Panels
Titanium UFO head bolts are suitable for carbon fiber sheets, custom trim panels, and aerodynamic covers. (Recommended sizes M5 / M6)
High-End Devices & Outdoor Equipment
These Bolts can also be applied in drone housings, action camera mounts, and marine plastic panels. (Recommended M4–M5 sizes)
Frequently Asked Questions (FAQ)
Q
What are the benefits of the integrated wide flange on these UFO head bolts?
The integrated wide flange acts as a built-in washer. It distributes the clamping force over a larger surface area, reducing localized stress on sensitive materials like plastics or carbon fiber to prevent cracking.
Q
Can I use self-tapping titanium UFO head bolts on steel or cast iron?
No. These bolts are designed for moderately pliable substrates such as aluminum, magnesium, plastics, and carbon fiber composites. They are not recommended for extremely hard materials like steel or cast iron.
Q
Should I pre-drill holes before installing these bolts?
Yes, for high-density plastics or carbon fiber panels, pre-drilling pilot holes (specifically M5: 3.8–4.2mm) is highly recommended to ensure correct threading and prevent material damage.
Q
Can these self-tapping screws be used on critical engine or brake components?
No. Due to the nature of self-tapping threads, these screws must never be used in pre-threaded critical components such as engines, brakes, or drivetrain assemblies.
Q
How should I clean and maintain the color finishes of these titanium bolts?
While Grade 5 titanium is naturally rust-proof, the anodized color finishes can degrade if exposed to harsh chemicals. To maintain their vibrant color, avoid using strong acids or alkaline cleaners during washing.
Q
Why is a Torx drive used instead of a standard hex drive?
The Torx drive (T20 / T25) offers deeper engagement and more surface contact than a standard hex socket. This design improves torque transfer, reduces the risk of tool cam-out, and keeps the drive shape precise even after repeated use.



