Critical Braking
Motorcycle Titanium Bolts Hexagonal Step Flat Head M8 Disc Brake
- Thread Pitch:M8 x 1.25
- Material:Gr5 (Ti-6Al-4V)
- Finish:Corrosion-Proof Zinc/Plain
Factory Production Range
Featured Titanium Motorcycle & Performance Bolts
Machined from certified ASTM B348 Grade 5 bars using precision multi-axis CNC turning centers to hold DIN/ISO mechanical tolerances under severe vibration environments.
DIN Standard
DIN912 Titanium Socket Head Cap Screws (M0.8-M24)
- Standard:DIN 912 / Class 8.8+
- Process:Precision CNC Machined
- Range:M0.8 up to M24
Chassis Tuning
Titanium M5 Bolt with Washer Stem Screw (Burnt Blue, M5x16mm)
- Dimensions:M5 × 16mm Integrated Washer
- Coloring:Thermal Burnt Blue
- Application:Stem, Handlebar, Cockpit
Aesthetics & Fairing
Anodized Gr5 Torx Bolts M4/M5/M6 Modified Body Shell Screws
- Head Geometry:Low-Profile Torx Drive
- Sizing:M4, M5, M6 × 15mm
- Customization:Multi-Color Anodized
Thermal Exhaust
Gr.5 Ti-6Al-4V Exhaust & Intake Manifold Titanium Stud Kits
- Stud Sizing:M8 & M10 Double-Ended
- Thermal Range:High Creep Resistance
- Included:Lock Flange Nuts
Rotational Dynamics
GR5 Titanium Wheel Lug Bolts High Strength Flat Head UNC
- Tensile Metric:950+ MPa High Shear
- Thread Pitch:UNC / Metric Optional
- Purpose:Custom Lightweight Wheels
Rotor Assembly
Titanium Brake Disc Bolt M6 × 20mm for Rotor Screws
- Dimensions:M6 × 20mm Pitch
- Safety Standard:Pre-Drilled Safety Wire Opt.
- Surface:CNC Burnished Finish
Micro & Precision
Titanium Flat Head Screws M1.6 Micro Thread Industrial Grade
- Micro Dimension:M1.6 Ultra-Fine Pitch
- Design:Flush Flat Countersunk Head
- Sectors:Sensors, Cockpit, Electronics
2013
Factory Founded in Baoji
100+
CNC & Cold Heading Units
950 MPa
Gr5 Ultimate Tensile Threshold
100%
Heat-Lot Mill Traceability
Engineering Whitepaper
Why CE Certified Grade 5 Titanium is Mandatory in Modern Motorcycle Engineering
Understanding the critical intersection of unsprung rotational mass, fatigue endurance, and galvanic management in two-wheel vehicle design.
In competitive motorcycle racing, supersport engineering, and high-displacement touring, threaded fasteners are subjected to intense multi-axial dynamics: high-frequency harmonic vibration, cyclic thermal expansion from braking systems, and sheer torsional stresses. Sourcing CE certified titanium motorcycle bolts from a verified OEM mill supplier gives structural engineers an exceptional mechanical advantage. Titanium Grade 5 (Ti-6Al-4V, Werkstoff 3.7165) demonstrates a yield strength surpassing 828 MPa and an ultimate tensile rating exceeding 895–950 MPa, outperforming Class 8.8 carbon steel while yielding a 44% weight reduction.
Weight savings on structural running gear—such as brake calipers, disc rotor step bolts, triple clamp pinch bolts, and wheel lug axles—directly reduce unsprung rotational mass. By decreasing rotational inertia, modern racing bikes achieve faster suspension response over high-frequency surface variations, substantially reducing gyroscopic resistance during rapid directional transitions. Below is an engineering comparison detailing ASTM B348 annealed Grade 5 titanium against conventional fastener materials:
| Material Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Density (g/cm³) | Shear Resistance | Chloride Pitting Resistance |
|---|---|---|---|---|---|
| Gr5 Titanium (Ti-6Al-4V) | 895 – 1050 | 828 – 920 | 4.43 | Extreme (Rolled Threads) | Virtually Immune (PREN > 40) |
| Class 8.8 Carbon Steel | 800 – 830 | 640 | 7.85 | Moderate | Extremely Poor (Rusts Unplated) |
| Class 10.9 Alloy Steel | 1000 – 1040 | 900 – 940 | 7.85 | High | Prone to Stress Corrosion Cracking |
| AISI 304 (A2) Stainless | 500 – 700 | 210 | 7.93 | Low (Risk of Shear Galling) | Moderate (Pitting under Salt Spray) |
| 7075-T6 Billet Aluminum | 520 – 570 | 460 – 500 | 2.81 | Very Low (Not Structural) | Galvanic Pitting Risks |
Thread Forming Engineering: A major failure point with generic suppliers is the machining of threads via turning inserts rather than rolling. Yevzo utilizes automated high-tonnage thread rolling dies for Grade 5 motorcycle bolts. Thread rolling maintains continuous grain-flow lines along the crest and root profile, eliminating notch sensitivity, elevating surface hardness, and providing superior fatigue resistance under heavy track braking loads.
Market Intelligence
Future Procurement & Technology Trends in Titanium Fasteners
Key structural shifts dictating global OEM procurement budgets, electric motorcycle architectures, and surface treatment technologies for 2025–2030.
1. High-Voltage E-Motorcycle Mass Elimination
With electric motorcycles bearing heavy battery enclosures, OEM procurement teams are turning to titanium fasteners to offset curb mass. Sourcing M10–M14 titanium hub, frame, and suspension linkage bolts helps offset battery weight without compromising overall torsional stiffness.
2. PVD & Multi-Color Anodic Passivation
The global aftermarket is shifting away from untreated metal. Demand is accelerating for PVD (Physical Vapor Deposition) Titanium Nitride (Gold) and Diamond-Like Carbon (DLC Black) finishes, as well as controlled anodic oxidation (Burnt Blue, Purple) that increase surface micro-hardness to over HV 2000 without compromising thread clearance.
3. Digitized Material Traceability (EN 10204 3.1)
Regulatory tightening across the European Union requires end-to-end provenance. Buyers increasingly mandate EN 10204 3.1 chemical inspection certs verified via Optical Emission Spectrometry, proving zero contamination by interstitial elements (Hydrogen < 0.015%, Oxygen < 0.20%).
Direct Manufacturing Advantage
Baoji Titanium Valley Facility: Precision CNC & Quality Control
Eliminating third-party intermediaries. Direct access to premier billet stock, in-house metallurgical testing, and custom OEM manufacturing.
Baoji Production Floor
Operating directly from China's premier Titanium Valley since 2013, ensuring verified virgin ingot raw material supply chain control.
Multi-Axis CNC Centers
Over 100 dedicated CNC machining units holding ISO metric and UNC thread tolerances to ±0.01mm for flawless runout accuracy.
Optical & Go/No-Go Metrology
Every production run undergoes 100% thread gauge verification, surface roughness Ra profiling, and ultrasonic defect inspection before global dispatch.
Procurement Knowledge Base
Frequently Asked Technical & Sourcing Questions
Clear, engineer-level answers addressing thread friction, torque retention, anti-galling lubricants, and CE compliance standards.
How do CE certified titanium bolts prevent galling during high-torque assembly?
Titanium has a thin, self-healing oxide film (TiO2) that can gall or cold-weld against other metals under extreme friction. To prevent galling in critical applications such as motorcycle brake disc mounts and engine chassis mounts, we recommend applying a copper-based, nickel-based, or molybdenum disulfide anti-seize paste to rolled threads. Additionally, we provide proprietary vacuum-anodized or PVD-coated finishes that lower friction coefficients, allowing smooth torquing without galling or thread seizing.
What specific torque spec adjustment is required when switching from steel 8.8 bolts to Gr5 titanium?
Grade 5 titanium has a modulus of elasticity of approximately 114 GPa, roughly half that of structural carbon steel (205 GPa). This added elasticity provides superior resistance against vibrational loosening under cyclical shocks. When torquing titanium fasteners with anti-seize lubrication, engineers should reduce the OEM dry-steel torque setting by approximately 15% to 20% to achieve the intended bolt pre-load without yielding the minor thread diameter.
Can titanium bolts be installed safely directly into aluminium swingarms or engine casings?
Yes, provided galvanic corrosion risks are managed. While titanium is chemically inert, pairing it with aluminium in marine or salted road conditions can create a galvanic couple if moisture is present. To prevent corrosion of the aluminium component, our engineers recommend applying an anti-corrosion barrier paste, using passivated titanium flange washers to distribute contact pressure, or applying an anodized non-conductive barrier film during manufacturing.
What documentation and quality certifications accompany international production lots?
Every export shipment includes EN 10204 3.1 Inspection Certificates containing complete spectrometer chemical composition analyses and tensile/yield stress test curves. Dimensions are checked against ISO/DIN/ANSI tolerances, and parts can be laser-marked with custom buyer labels or material codes on request.
What are your custom CNC lead times, tooling capabilities, and minimum order quantities (MOQ)?
Standard catalog fasteners (e.g., M6/M8 disc brake screws, M5 fairing bolts) have a low MOQ starting at 20 to 100 units, with inventory ready to dispatch. For bespoke CNC components manufactured to 2D/3D technical drawings (STEP, DWG, PDF), prototypes ship in 7 to 10 working days, with mass production runs completing in 3 to 4 weeks. Delivery terms cover FOB, CIF, EXW, and DDP with full door-to-door customs clearance.