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Dual-Drive Titanium Hex Flange Bolt for Motorcycles - China Suppliers & Factory Direct Quality
Key Features
● Versatile Dual-Drive Interface
The dual-drive titanium hex flange bolt combines an external hex flange with an internal hex recess, giving riders and mechanics flexible tool options. This dual layout improves practicality during regular maintenance and roadside adjustments.
● Optimized for Tight-Access Installation
Its top recessed hex allows vertical engagement where side clearance is restricted. This dual-drive titanium hex flange bolt design makes it far easier to work with in crowded engine areas where standard titanium fasteners struggle to fit a socket.
● Balanced Design for Non-Extreme Load Points
Compared with concave racing bolts, this head offers the same sporty appearance but allows much easier installation. It slightly sacrifices torsional limit, making it ideal for non-extreme load parts like covers or brackets while keeping the build’s visual style consistent.
● Race Ready Safety Wire Drillings
Six precisely positioned holes along the flange provide secure routing for stainless safety wire. This mechanical locking method prevents loosening under high-frequency vibrations and adds a distinctly technical, race-grade look to exposed fasteners.
● Rolled Threads for Long-Term Durability
Made from Ti-6Al-4V aerospace-grade titanium with precision-rolled threads, these dual-drive titanium hex flange bolts resist fatigue and galling, ensuring smooth, durable fastening even under frequent assembly and disassembly.
Installation & Maintenance Guidance
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Select Proper Tools. Use the external hex for any higher torque tightening. The internal hex works best in tight access areas or for lighter adjustments, helping preserve the integrity of both drive interfaces.
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Avoid Over-Torquing Internal Hex. When using the internal hex, follow the recommended lower torque range. Its thinner wall profile naturally concentrates stress at the corners, so controlled torque prevents long-term socket wear.
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Standard Anti-Galling Maintenance. Always apply anti-seize before installation. It prevents thread galling on titanium fasteners and ensures smooth removal during future servicing.
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 | 33–36 HRC |
| Corrosion Resistance | Excellent |
| Reference Standards | ISO Metric Thread |
2. Dimensional & Thread Data
| Parameter | Details |
| Diameter Range | M5 / M6 / M8 / M10 (other diameters available upon request) |
| Length Range | 10–70 mm |
| Thread Pitch | M5 : 0.8 / M6 : 1.0 / M8 : 1.25/ M10 : 1.25 or 1.5 mm |
| Thread Type | Metric Coarse |
| Drive Type | Hex / Internal Hex |
| Tolerance | ISO 6g |
3. Finishing & Customization Options
| Parameter | Details |
| Finish Options | Burnt Blue / Natural / Silver / Gold / Black / Rainbow |
| Processing Method | Polished / Anodized / PVD |
| Logo Engraving | Available |
| Packaging | Bulk cartons / Custom retail sets |
| OEM Customization | Supported (thread type, head style, finish, length) |
Application Scenarios
1. Motorcycle Performance & Maintenance
● Engine & Case Covers
Well-suited for side covers such as clutch and ignition covers. The dual-drive titanium hex flange bolt helps speed up oil changes and routine servicing, especially in tight engine areas.
● Bodywork & Fairing Brackets
A reliable choice for fairings and fender brackets exposed to constant vibration. The six-side drilling pattern supports motorsport lock-wiring, keeping hardware secure under heavy-duty riding.
● Cockpit & Controls
Ideal for tight spaces around the handlebars where sockets cannot reach. They are often used for brake master-cylinder mounts and switch housings, offering a cleaner fit and easier upgrades.
2. Other High-End Applications
● Versatile Performance Tuning
These dual-drive titanium hex flange bolts are also suitable for premium bicycle cranksets, automotive engine-bay dress-up parts, and marine or robotic assemblies that demand strong corrosion resistance.
Frequently Asked Questions
What is a dual-drive titanium hex flange bolt?
It is a high-performance fastener that combines an external hex flange with an internal hex recess. This unique configuration provides mechanics and riders with flexible tool options for installation and adjustments, especially in tight or restricted spaces.
What material grade are these bolts made of?
These bolts are manufactured from Grade 5 Titanium (Ti-6Al-4V), an aerospace-grade alloy known for its high tensile strength (≥ 900 MPa), lightweight properties, and outstanding corrosion resistance.
Why are there holes drilled into the flange?
The flange features six precisely positioned safety wire drillings. This allows the routing of safety lock-wire, a critical mechanical locking method used in motorsports to prevent the bolt from backing out or loosening due to high-frequency vibrations.
Which tool should I use to install or adjust these bolts?
For higher torque tightening, it is recommended to use the external hex drive. The internal hex recess is ideal for lighter adjustments or when accessing tight, narrow spaces where standard sockets cannot fit.
Do I need to apply anti-seize before installation?
Yes, applying anti-seize lubricant to the threads before installation is highly recommended. It prevents thread galling (cold welding) common with titanium fasteners and ensures clean, damage-free removal during future maintenance.
What customization options do you offer?
We support full OEM customizations including custom thread types, head styles, lengths, and custom finishes such as burnt blue, natural, gold, black, and rainbow. Logo engraving and custom retail packaging are also available.