TC4 Titanium Alloy Countersunk Screw
TC4 titanium alloy countersunk screw is a high-performance precision fastening component designed for applications requiring flush surface installation, lightweight structure, and excellent corrosion resistance. The TC4 titanium alloy countersunk screw (Ti-6Al-4V, Grade 5) is widely used in aerospace, marine engineering, high-end machinery, automotive racing, and precision industrial equipment where both mechanical strength and surface aesthetics are critical.
With its 90° countersunk head design, the TC4 titanium alloy countersunk screw allows the fastener to sit perfectly flush with the surface, reducing interference, improving safety, and enhancing overall assembly appearance.
Product Overview
The TC4 titanium alloy countersunk screw is engineered for high-strength fastening systems where surface smoothness and structural reliability are equally important. Its tapered head design ensures tight embedding into machined holes, creating a clean and streamlined surface finish.
This TC4 titanium alloy countersunk screw is especially suitable for lightweight engineering systems where titanium’s high strength-to-weight ratio significantly improves performance. It is widely used in aerospace structures, marine assemblies, and precision mechanical systems.
As a premium industrial fastener, it delivers long-term stability under vibration, load stress, and harsh environmental conditions.
Product Specifications
| Item | Description |
|---|---|
| Product Name | TC4 Titanium Alloy Countersunk Screw |
| Material | TC4 Titanium Alloy (Ti-6Al-4V, Grade 5) |
| Surface Finish | Natural / Anodized (optional) |
| Head Type | Countersunk Head (90°) |
| Drive Type | Internal Hex / Phillips / Torx (custom) |
| Thread Type | Metric Machine Thread |
| Size Range | M3–M30 |
| Length Range | 6mm–120mm |
| Strength Grade | High Strength Titanium Grade |
| Corrosion Resistance | Excellent (marine & chemical resistant) |
| Density | 4.51 g/cm³ |
| Packaging | Vacuum bag / carton / OEM packaging |
| Customization | Size, drive type, surface treatment available |
Technical Parameters
| Parameter | Value |
|---|---|
| Tensile Strength | ≥ 900 MPa |
| Yield Strength | ≥ 830 MPa |
| Hardness | HV 300–380 |
| Elastic Modulus | ~110 GPa |
| Corrosion Resistance | Excellent (seawater, acid, alkali resistance) |
| Operating Temperature | -200°C to 600°C |
| Fatigue Resistance | Very high |
| Thread Tolerance | 6g Standard |
| Manufacturing Standard | ISO / DIN / Aerospace equivalent |
Materials and Manufacturing Process
The TC4 titanium alloy countersunk screw is manufactured through precision engineering processes to ensure dimensional accuracy and high mechanical performance.
- Raw material selection: TC4 titanium alloy billet (Ti-6Al-4V)
- Hot forging / cold heading: Formation of countersunk head blank
- CNC machining: Precision shaping of head angle and shank
- Drive forming: Internal hex / Torx / Phillips processing
- Thread rolling: High-strength thread formation
- Heat treatment: Improves fatigue resistance and mechanical stability
- Surface finishing: Natural passivation or optional anodizing
- Cleaning: Oil-free surface treatment
- Inspection: Dimensional, torque, and strength testing
- Packaging: Anti-oxidation protective export packaging
Each TC4 titanium alloy countersunk screw is produced under strict aerospace-grade quality control standards.
Applications of the Product
TC4 titanium alloy countersunk screws are widely used in:
- Aerospace: Aircraft structural panels and assemblies
- Marine engineering: Offshore platforms and ship structures
- Automotive racing: Lightweight body and chassis systems
- Medical equipment: Precision instruments and devices
- Chemical industry: Corrosion-resistant equipment
- Industrial machinery: High-strength lightweight assemblies
- Electronics: Compact structural fastening systems
- Energy systems: High-performance equipment structures
Its flush surface design makes it ideal for aerodynamic and aesthetic requirements.
Why Choose This Product
- High-strength TC4 titanium alloy (Ti-6Al-4V)
- Flush countersunk design for smooth surfaces
- Excellent strength-to-weight ratio
- Superior corrosion resistance in harsh environments
- High fatigue resistance under vibration
- Suitable for aerospace-grade applications
- Optional drive types (Hex / Torx / Phillips)
- Lightweight structure reduces system load
- OEM customization support available
The TC4 titanium alloy countersunk screw provides premium performance for advanced engineering applications.
Why Choose Flybear
Flybear is a professional manufacturer specializing in high-performance fasteners and titanium engineering solutions.
- Precision CNC machining and forging capability
- Titanium alloy expertise (Grade 2 / Grade 5)
- Custom drive types and surface treatments
- Strict aerospace-grade quality inspection system
- Global export experience in industrial fasteners
- Engineering support for high-end applications
Flybear provides reliable fastening solutions for aerospace, marine, automotive, and precision industrial sectors.
Quality Inspection and Control
Strict quality control ensures consistent performance:
- Raw material chemical composition analysis
- Tensile and yield strength testing
- Hardness and fatigue testing
- Dimensional accuracy inspection
- Head angle and countersink geometry verification
- Thread gauge testing
- Surface condition inspection
- Packaging integrity verification
All production follows ISO and aerospace-level quality standards.
Selection Guide
When selecting TC4 titanium alloy countersunk screws, consider:
- Load and torque requirements
- Installation surface requirements (flush fit)
- Environmental conditions (marine, aerospace, chemical)
- Size and thread specifications
- Drive type selection
- Weight reduction requirements
Proper selection ensures optimal performance and reliability.
FAQ
1. What is TC4 titanium alloy?
TC4 (Ti-6Al-4V) is a high-strength aerospace-grade titanium alloy.
2. Why use countersunk screws?
They provide a flush surface finish for smooth and aerodynamic assemblies.
3. Can titanium countersunk screws rust?
No, titanium has excellent corrosion resistance in most environments.
4. What drive types are available?
Internal hex, Phillips, and Torx can be customized.
5. Can custom sizes be produced?
Yes, Flybear supports full customization.
We always adhere to the philosophy of quality first and customer first, providing customers with high-quality fastener products and one-stop fastener solutions.
Contact us for quotation, customization, and technical support via Contact Us.
