High Strength Titanium Alloy Flange Bolt
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High-Intensity
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Corrosion-Resistant
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Fatigue Resistance
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Diamagnetism
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Project |
Specification |
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Product Name |
Titanium Alloy Flange Bolt |
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Material |
Titanium Alloy (Gr5/Gr2 available) |
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Brand |
BJCJTi |
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Core Advantages |
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Performance |
Exceptional lightweight, high strength, superior corrosion resistance |
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Flanged Head Structure |
Wide flange design increases contact area, distributes clamping force evenly, reduces unit pressure, prevents surface deformation/damage of connected parts |
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Application |
Ideal for aerospace, automotive, marine engineering (e.g. aircraft engine fuel pipeline systems) |
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Working Environment |
Withstands high pressure, vibrations, complex stress conditions, prevents fuel leakage |
description1
Details Description
Thread Section
| Thread Size d | M5 | M6 | M8 | M10 | M12 | M14 | M16 | M20 |
| P - Coarse thread | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 |
| P - Fine thread-1 | / | / | 1 | 1.25 | 1.5 | 1.5 | 1.5 | 1.5 |
| P - Fine thread-2 | / | / | / | 1 | 1.25 | / | / | / |
| b - L≤125 | 16 | 18 | 22 | 26 | 30 | 34 | 38 | 46 |
| b - 125<L≤200 | / | / | 28 | 32 | 36 | 40 | 44 | 52 |
| b - L>200 | / | / | / | / | / | / | 57 | 65 |
| c - min | 1 | 1.1 | 1.2 | 1.5 | 1.8 | 2.1 | 2.4 | 3 |
| dₐ - Form A - max | 5.7 | 6.8 | 9.2 | 11.2 | 13.7 | 15.7 | 17.7 | 22.4 |
| dₐ - Form B - max | 6.2 | 7.4 | 10 | 12.6 | 15.2 | 17.7 | 20.7 | 25.7 |
| d_c - max | 11.8 | 14.2 | 18 | 22.3 | 26.6 | 30.5 | 35 | 43 |
| d_s - max | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 20 |
| d_s - min | 4.82 | 5.82 | 7.78 | 9.78 | 11.73 | 13.73 | 15.73 | 19.67 |
| d₁ - max | 5.5 | 6.6 | 9 | 11 | 13.5 | 15.5 | 17.5 | 22 |
| d_w - min | 9.8 | 12.2 | 15.8 | 19.6 | 23.8 | 27.6 | 31.9 | 39.9 |
| e - min | 8.71 | 10.95 | 14.26 | 16.52 | 17.62 | 19.86 | 23.15 | 29.87 |
| f - max | 1.4 | 2 | 2 | 3 | 3 | 3 | 3 | 4 |
| k - max | 5.4 | 6.6 | 8.1 | 9.2 | 11.5 | 12.8 | 14.4 | 17.1 |
| k₁ - min | 2 | 2.5 | 3.2 | 3.6 | 4.6 | 5.1 | 5.8 | 6.8 |
| r₁ - min | 0.25 | 0.4 | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 | 0.8 |
| r₂ - max | 0.3 | 0.4 | 0.5 | 0.6 | 0.7 | 0.9 | 1 | 1.2 |
| r₃ - min | 0.1 | 0.1 | 0.15 | 0.2 | 0.25 | 0.3 | 0.35 | 0.4 |
| r₄ - = | 3 | 3.4 | 4.3 | 4.3 | 6.4 | 6.4 | 6.4 | 8.5 |
| s - max-nominal size | 8 | 10 | 13 | 15 | 16 | 18 | 21 | 27 |
| s - min | 7.78 | 9.78 | 12.73 | 14.73 | 15.73 | 17.73 | 20.67 | 26.67 |
| t - max | 0.15 | 0.2 | 0.25 | 0.3 | 0.35 | 0.45 | 0.5 | 0.65 |
| t - min | 0.05 | 0.05 | 0.1 | 0.15 | 0.15 | 0.2 | 0.25 | 0.3 |
| Length of Thread b | - | - | - | - | - | - | - | - |
Honors and Qualifications
Material Characteristics
Lightweight Advantage
Outstanding Corrosion Resistance
Excellent High- and Low-Temperature Performance
Biocompatibility and Low Magnetic Permeability
Surface Treatments
Natural Titanium Finish
Retains the original color and metallic texture of the titanium alloy. The naturally formed oxide film on the surface already provides a certain level of protection. This finish is ideal for applications that favor simplicity and cost-efficiency while maintaining a clean, industrial aesthetic.
Physical Vapor Deposition (PVD)
Offers a variety of rich colors such as gold, black, and rainbow. PVD enhances the visual appeal while significantly increasing surface hardness and wear resistance. It is commonly used in high-end decorative applications, electronics, and luxury hardware.
Anodizing
Produces oxide films in a wide range of colors including gold, black, rainbow, blue, green, pink, and purple. Anodizing not only improves aesthetic value but also enhances corrosion resistance and electrical insulation. It is widely used in aerospace, architectural decoration, and consumer products
Low Modulus and Fatigue Resistance: Extended Connection Life
Generates ceramic-like oxide coatings in colors such as gray and brown. This process forms a hard, wear-resistant, and corrosion-resistant ceramic layer on the titanium surface, making it suitable for applications in machinery, chemical processing, and other industries with high surface performance requirements.
Main features and advantages
| Advantage |
Titanium Alloy Flange Bolt |
Traditional Steel Bolt |
Aluminum Alloy Bolt |
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Weight |
60%Low density; weighs about 60% of steel for the same size |
Heavy |
Lighter weight, but insufficient strength |
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Strength |
Tensile strength ≥ 800 MPa; high strength-to-weight ratio |
High strength but lower strength-to-weight ratio |
Low strength (≤ 500 MPa) |
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Corrosion Resistance |
Resistant to seawater, acids, and alkalis; self-healing oxide film |
Requires galvanizing or painting to prevent rust |
Better than steel, but weak against strong acids |
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Temperature Resistance |
Stable performance in both high and low temperatures |
Brittle at low temperatures; reduced strength at high temperatures |
Max operating temperature ≤ 200 °C |
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Biocompatibility |
Non-toxic; suitable for medical implants |
May release metal ions |
May trigger rejection or allergic reactions |
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Maintenance Cost |
No need for anti-rust treatment; long lifespan |
Requires regular maintenance; prone to rust |
Threads are easily stripped; frequent maintenance needed |
Customer Reviews
Our Logistics
our factory
Core competence: Irreplaceability in Application Scenarios
Suitability for Compact Spaces
The hex socket hole is relatively shallow, and the bolt head is thinner, making it ideal for installation in confined spaces such as electronic devices and precision instruments.
High Torque Transmission Efficiency
Hex socket wrenches have a larger contact area with the bolt hole, reducing the risk of slippage during force application. This allows for higher torque to be applied, ensuring firm fastening—particularly important in vibration-prone environments.
Anti-Loosening and Aesthetic Benefits
The flat head design allows for countersunk installation (flush with the surface of the workpiece), minimizing protrusion and wear risks while improving the overall clean appearance of the equipment.
Corporate Culture
FAQ
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Q: What types of titanium fasteners do you offer?
+A: We offer a wide range of standard and custom titanium fasteners, including but not limited to:• Titanium Bolts: Hex head bolts, countersunk bolts, round head bolts, Torx bolts, 12-point bolts, flange bolts, etc.• Titanium Nuts: Hex nuts, square nuts, flange nuts, lock nuts, slotted nuts, T-nuts, cap nuts, etc.• Titanium Washers: Flat washers, spring washers, lock washers, etc.• Titanium Screws: Machine screws, self-tapping screws, slotted screws, Phillips head screws, hex socket screws, Torx screws, set screws, etc.• Custom/Special Parts: We manufacture various complex titanium alloy connectors according to customer drawings and specific requirements. -
Q: Do you offer OEM/ODM customization services?
+A: Yes, we provide comprehensive OEM/ODM customization services. With advanced production equipment, an experienced team of engineers, and a strict quality control system, we offer one-stop customized solutions—from material selection and prototyping to mass production and surface treatment—based on your design drawings, technical specifications, and application requirements. -
Q: How do you ensure the quality of your titanium fasteners?
+A: Quality is our foremost commitment. We have strict processes in place to control the quality of our products. We use high-quality raw materials, employ advanced manufacturing techniques, and conduct rigorous quality inspections to ensure the final product meets the highest standards. -
Q: How does the price of titanium fasteners compare to regular steel fasteners?
+A: Due to the higher cost of titanium alloy raw materials and more complex manufacturing processes, titanium fasteners are typically priced higher than standard steel fasteners. However, considering their exceptional performance in extreme environments, longer lifespan, lower maintenance costs, and unique advantages in areas such as lightweight design and biocompatibility, titanium fasteners offer significant overall cost-effectiveness in many high-value applications. -
Q: How do I choose the right titanium alloy grade for my application?
+A: The choice of the appropriate titanium alloy grade depends on your specific application requirements. If you're unsure which grade is best suited, our team of professional engineers can provide detailed consultations and recommendations based on your application scenario and technical specifications. -
Q: What is the delivery time for your products?
+A: The typical production lead time is approximately 20 days.