Rotor Series
Titanium Alloy Disc Brake Bolts with Torx Head Flange Screws
- Drive Type: Torx T25/T30 Drive
- Material: Ti-6Al-4V Grade 5
- Corrosion Rate: Zero in Saline Fog
895+ MPa
Min. Tensile Strength
-44%
Mass vs. Class 8.8 Steel
±0.005mm
CNC Machining Precision
100%
Lot Ultrasonic Inspection
Featured Grade 5 Titanium Motor Hardware
Engineered to replace failure-prone steel bolts in severe stress and maritime atmospheric environments, our fasteners meet DIN and ISO standards with full batch chemical traceability.
Flange Head
GR5 Hex Flange Head Bolt M10X20 DIN Thread Polish Gasoline Cap
- Dimensions: M10 × 20mm Pitch
- Finish: Anodized / Mirror Buff
- Yield: 825 MPa Minimum
Precision M4
TECKSR M4 Anodized GR5 Hex Flange Torx UNF Class 5 Bolts
- Thread: UNF / Precision Metric
- Execution: Hot-forged + CNC
- Weight Saving: 44.5% vs Alloy
Structural M8-M10
GR5 Titanium Alloy M8 M10 Flange Bolts Hexagon Screws DIN
- Standards: DIN 6921 Metric Baseline
- Application: Engine Mount & Caliper
- Tensile: 950 MPa Typical
Custom Machined
Custom M31 Super Light Anti-Skid Motorcycle Oil Cap Nut
- Profile: M31 Anti-Skid Knurled
- Function: Hermetic Sump Seal
- Finish: Laser Etched / Anodized
High Class 10.9+
CNC Disc Brake Head Bolts Torx DIN Anodized/PVD Class 10.9/12.9
- Coating: PVD Ceramic Nitride
- Load Capacity: Class 10.9 Rating
- Fatigue Limit: Thread-Rolled Fillet
Pan Head
Class 6 M6*15 GR5 Titanium Pan Head Anodized Screw
- Threading: ISO Metric Class 6g
- Head Geometry: Low-Profile Pan
- Use Case: Fairings & Subframes
Plain Finish
Custom GR5 Titanium M8 Disc Head Bolts Plain Finish
- Shank Diameter: M8 Standard Metric
- Surface: Passivated Natural Luster
- Thermal Stability: Up to 400°C Continuous
Málaga & Costa del Sol: Operational Engineering Context
Industrial components in Southern Spain experience a severe convergence of environmental and mechanical stresses. Málaga's high ambient humidity, elevated maritime airborne sodium chloride concentrations, and intensive high-temperature motorcycle culture demand superior metallurgy.
Combating Mediterranean Marine Atmospheric Galling
Málaga’s shoreline environment creates catastrophic galvanic oxidation on traditional zinc-plated 8.8 structural bolts and causes severe pitting on raw 304/A2 stainless steel hardware. In coastal urban workshops located around Polígono Industrial Guadalhorce and Polígono Trévenez, technicians encounter seized subframe and brake rotor hardware weekly.
Our Grade 5 Ti-6Al-4V fasteners form an instant, self-healing stoichiometric Titanium Dioxide (TiO₂) passive film when exposed to oxygen. This oxide boundary delivers complete chemical immunity to saline spray, salt aerosols, and aggressive brake hydraulic fluid (DOT 4 and DOT 5.1), preventing intergranular stress-corrosion cracking entirely.
Track Dynamics: Ascari, Campillos & Mountain Passes
The mountainous routes surrounding Málaga—including the technical sweeping curves of the A-397 (Ronda Road) and the Montes de Málaga—exert severe cyclic shock loading on motorcycle unsprung mass. Furthermore, regional racing at Circuito de Campillos and private tests at Ascari demand rapid direction changes where gyroscopic inertia penalizes heavy assemblies.
Switching from steel to titanium fasteners reduces the un-sprung rotating mass at brake disc mounts, sprocket carriers, and wheel hubs by over 44%. This directly improves suspension damping response, accelerates caliper heat dissipation through low thermal retention, and mitigates brake disc warping under heavy Andalusian summer heatwaves.
Custom Builder & High-End Superbike Restorations
The thriving bespoke restoration and custom bike atelier scene stretching from Marbella to Málaga City demands immaculate aesthetics that endure without degrading. Traditional anodized aluminum fasteners lack structural shear strength, while chromed steels peel and rust over short service periods.
Our physical vapor deposition (PVD) and multi-stage precision electrolyte anodization allow custom motorcycle fabricators to match specific racing liveries (Oilslick/Rainbow, Deep Azure, Burnt Gold, and Stealth DLC Black) with hardened surface hardness reaching up to 2500 HV, guarding against wrench stripping and stone chips.
| Mechanical / Chemical Property | Ti-6Al-4V (Grade 5 Titanium) | A2-70 (304 Stainless Steel) | Grade 8.8 Zinc Steel | Grade 12.9 High-Tensile Alloy |
|---|---|---|---|---|
| Mass Density (g/cm³) | 4.43 (Ultralight) | 7.93 | 7.85 | 7.85 |
| Ultimate Tensile Strength (MPa) | 895 – 1050 | 700 | 800 | 1220 |
| Yield Strength 0.2% (MPa) | 825 | 450 | 640 | 1100 |
| Strength-to-Weight Ratio (kN·m/kg) | 214 (Class Leading) | 88 | 102 | 155 |
| Marine Atmospheric Salt Resistance | Immune (Forms TiO₂ Barrier) | Moderate (Prone to Crevice Rust) | Extremely Poor (Sacrificial Zinc Fails) | Unusable Uncoated (Instant Rust) |
| Magnetic Permeability | Non-Magnetic (μ = 1.00005) | Weakly Magnetic post-forming | Strongly Ferromagnetic | Strongly Ferromagnetic |
Supply Chain & Sourcing Trends Across Andalusia
A data-informed analysis of how procurement patterns, fleet electrification, and logistics restructuring are reshaping demand for precision fasteners across the Málaga logistics corridor.
Direct-from-Mill Traceability Displacing Intermediaries
Málaga performance workshops and industrial distributors are increasingly bypassing European trading intermediaries who markup standard Asian production lines by 200–400%. Procurement directors now demand verifiable EN 10204 Type 3.1 inspection certificates indicating exact ingot melt heat numbers directly from Baoji—the global center of titanium processing.
Lightweighting for High-Performance E-Motorbikes
With Málaga positioning itself as an innovation hub through the Málaga TechPark (PTA) and embracing urban low-emission zones, high-powered electric motorcycles and performance scooters are expanding rapidly. In electric vehicle engineering, every 100 grams shed from chassis hardware extends battery range and relieves unsprung load on high-torque electric hub motors.
Bespoke CNC Prototyping Over Mass Uniformity
Standard DIN catalogs no longer satisfy specialized racing teams or customization studios requiring unique flange diameters, captive washer undercuts, or custom step pitches for specialized racing swingarms. On-demand CNC machining from solid titanium bar stock with low initial MOQs (100 pieces) has become the regional baseline requirement.
Enterprise Manufacturing Competence: Direct from Baoji to Málaga
Headquartered in Shiling Road Industrial Park, Baoji, Shaanxi—China’s famed "Titanium Valley"—Zunvo combines access to 80% of domestic raw titanium sponge supplies with aerospace manufacturing execution.
Direct Baoji Raw Stock
Direct proximity to prime metallurgical smelters ensures certified Ti-6Al-4V bar stock with verifiable ingot heat certificates, free of interstitial impurities.
Thread Rolling vs. Cutting
Our threads are cold-rolled via CNC-controlled cylindrical dies. This preserves continuous grain flow lines along thread crests, boosting fatigue endurance over 300% compared to cut threads.
100% Optical & Go-Gauge QC
Every single batch undergoes dimensional verification using optical CMM sorters, 6g/6H thread pitch limit plug gauges, and ultrasonic micro-crack detection.
7-Day Turnaround & Air Courier
Popular metric threads ship from inventory within 24 hours. Custom drawing-based prototypes are machined in 3 days, reaching Málaga-Costa del Sol Airport (AGP) via DHL Express in 4–6 days.
Frequently Asked Sourcing & Engineering Questions
Technical clarity for machine shops, racing teams, and aftermarket parts importers across Andalusia.
Can Gr5 titanium replace Class 10.9 and 12.9 bolts on motorcycle brake calipers?
Ti-6Al-4V Grade 5 has a nominal yield strength of 825–895 MPa, roughly matching Class 8.8 steel and approaching Class 10.9 in functional elasticity. While ideal for brake disc rotor mounts, sprocket studs, and subframe structures, for safety-critical 12.9-rated suspension rocker bolts, we recommend calculating clamp loads, verifying torque specs, or commissioning custom oversized shanks from our engineering team.
How do we prevent cold-welding or galling when installing titanium into aluminum cases?
Titanium mating with aluminum engine blocks in coastal Málaga's saline air requires proper lubrication. Always apply a quality anti-seize paste containing copper, molybdenum disulfide (MoS₂), or nickel prior to torquing. Because titanium has a lower modulus of elasticity (~114 GPa vs. 210 GPa in steel), apply roughly 80–85% of standard dry OEM torque when using anti-seize paste.
Will the anodized colors withstand high brake heat during Andalusian summer track days?
Electrochemical anodizing alters the refractive oxide thickness and is stable up to approximately 350°C. For caliper bleed nipples, banjo bolts, and rotor fasteners subject to extreme brake pad friction heat above 400°C, we advise our PVD (Physical Vapor Deposition) Titanium Nitride (Gold) or DLC (Diamond-Like Carbon Black) coatings, which retain color integrity up to 600°C without fading.
What are the customs, VAT (IVA), and shipping transit details for shipments to Spain?
We supply commercial invoices with precise TARIC / HS codes (7318.15 / 8108.90) for fasteners to ensure rapid clearance through Spanish Customs (Agencia Tributaria). Spanish buyers with a valid EORI number can clear goods seamlessly via DDP (Delivered Duty Paid) or DAP air express into Málaga via Madrid/Barajas customs channels within 5–7 business days.
