GR5 Titanium Bolts M5*20mm Countersunk Hex Socket Screws
- Spec: M5 × 20mm
- Head: Flush Countersunk Flat
- Use: Fairing & Cockpit Mounting
Engineered via cold-heading and precision CNC thread-rolling. Full traceability with standard DIN, ISO, and race-spec bespoke geometries available directly for Limassol workshops, retail distributors, and superbike racing teams.
In high-performance motorcycling, fasteners are exposed to dynamic cyclic stress, mechanical shock, and elevated ambient engine temperatures. While conventional mild carbon steel fasteners suffer from catastrophic shear fatigue and stainless steel hardware adds excessive unsprung rotating mass, Grade 5 (Ti-6Al-4V) alpha-beta titanium alloy provides an unmatched strength-to-weight equilibrium. Originating from high-purity sponge processed in China's Titanium Valley (Baoji), our fasteners deliver a nominal tensile capacity exceeding 895 to 930 MPa, coupled with a yield strength of 828 MPa.
Unlike standard automotive bolts made through simple cold-chucking or cut-thread techniques, our motorcycle hardware features continuous grain-flow rolled threads conforming to ISO 965 / DIN 13 thread profiles. This cold working technique produces an unbroken metallographic fiber grain aligned with the bolt profile, effectively eliminating stress concentration zones at thread roots and increasing high-cycle fatigue thresholds by over 35% relative to machined threads. For racing garages and high-end workshops in Limassol, this guarantees zero bolt stretching under critical brake caliper, triple clamp, and engine mount clamping loads.
| Fastener Material | Density (ρ g/cm³) | Tensile Strength (MPa) | Yield Strength (MPa) | Modulus of Elasticity (GPa) | Chloride Pitting Resistance |
|---|---|---|---|---|---|
| Navzo GR5 Titanium (Ti-6Al-4V) | 4.43 | 895 - 950 | 828 | 114 | Immune (PREN > 40 eq) |
| Stainless Steel A2-70 (AISI 304) | 7.90 | 700 | 450 | 193 | Moderate (Prone to Crevice Corrosion) |
| High-Tensile Alloy Steel 10.9 | 7.85 | 1040 | 940 | 210 | Extremely Poor (Rusts rapidly if unplated) |
| Commercial Pure GR2 Titanium | 4.51 | 345 | 275 | 105 | Immune (Low mechanical strength) |
*Comparative metrics evaluated in accordance with ASTM F467/F468 mechanical property thresholds and ISO 3506 mechanical fast-clamping standards. Independent Mill Test Reports (MTR) via EN 10204 3.1 are supplied on every Limassol-bound air/sea freight dispatch.
Situated directly along the southern coast of Cyprus, Limassol represents a demanding micro-climate where intense coastal marine salinity, high Mediterranean humidity, and extreme summer thermal cycles converge.
Bikes operating around Limassol Marina, the New Port industrial shipping corridor, and seafront avenues suffer severe atmospheric salt deposition. Standard chrome and zinc plating breaks down in under 6 months. Titanium instantly regenerates a microscopic, impervious TiO&sub2; passivation layer, guaranteeing total immunity against galvanic oxidation, pitting, and thread seizure.
Limassol riders regularly tackle high-altitude ascents into the Troodos mountain pass (Platres, Kakopetria). Long downhill descents subject front brake rotors to extreme friction-induced temperatures. Our M10 hollow banjo bolts and M8 caliper flange bolts maintain yield elasticity and preload torque without thermal deformation up to 400°C.
From local track days at Achna Speedway to bespoke street fighter builds in Mesa Geitonia, rotating unsprung mass directly dictates gyroscopic inertia and flickability. Swapping brake disc bolts, wheel hub hardware, and rear axle adjusters to Navzo GR5 titanium sheds up to 1.4 kg of unsprung rotational weight for sharper handling.
Historically, motorcycle tuning workshops, performance garages, and marine maintenance technicians across Limassol, Nicosia, and Paphos relied on tier-3 European re-packagers. This middleman chain inflated part costs by 200% to 350% while obscuring material mill origins. Over the past 36 months, procurement dynamics have structurally shifted:
1. Direct Consolidation & E-Commerce Logistics: Local Cypriot tuning distributors are increasingly bypassing European retail intermediaries to contract directly with primary manufacturers situated in Baoji, China. Utilizing streamlined air cargo straight into Larnaca Airport (LCA) and sea freight through Limassol Port, importers secure authentic OEM-grade GR5 hardware at base factory pricing.
2. Surge in Custom Superbike Builds & Restoration: With year-round favorable riding weather in Cyprus, the demand for custom cafe racers, Ducati and Yamaha high-performance track bikes, and hyper-naked motorcycles has grown. Enthusiasts prioritize corrosion-proof aesthetics, choosing Physical Vapor Deposition (PVD) titanium in Burnt Blue, Sleek Obsidian Black, and Rich Gold that resist peeling under intense ultraviolet Mediterranean sunlight.
3. Dual-Purpose Utility (Motorsport & Marine Cross-Pollination): In Limassol's coastal ecosystem, marine repair facilities along the port frequently cross-source high-tensile GR5 fasteners for lightweight yacht rigging, jet-skis, and supercharged watercraft. This cross-sector demand allows regional parts dealers to combine procurement volumes and unlock 5,000+ piece factory wholesale tier brackets.
Founded in 2011 on Yucai Road in the High-tech Development Zone of Baoji, Navzo combines direct raw material access with high-precision aerospace CNC machining capacity.
We source 100% certified titanium sponge and rolled Ti-6Al-4V bars directly from verified Baoji mills. Chemical composition and ultrasonic flaw detection records accompany every lot with full batch traceability.
Cold-heading, precision multi-axis CNC turning, thread rolling, and electrochemical anodizing reside under one unified ISO-compliant management framework, ensuring strict concentricity and clean lead threads.
We translate 2D blueprints and 3D CAD files (STEP, DWG, PDF) into race-ready hardware. Custom head drillings for lock-wiring, hollowed-core shanks, and laser etched branding are engineered to tight ±0.02mm tolerances.
Clear, direct technical and commercial answers addressing shipping, installation, galling prevention, and import protocols for Cyprus.
For urgent workshop samples and small-to-medium batches (under 100 kg), we dispatch via expedited air courier (DHL Express, FedEx) arriving at Larnaca Airport (LCA) within 4 to 7 business days. Larger wholesale replenishment orders ship via consolidated sea freight (LCL or FCL) directly into the Port of Limassol within 22 to 28 days transit time, complete with export customs manifests.
Titanium and aluminum have different galvanic potentials and can experience micro-galling or friction cold welding if installed dry under high clamping torques. We recommend applying a dedicated anti-seize paste (copper-free, nickel, or moly-based grease) to the threads. This ensures smooth torque transmission, accurate clamping preload, and prevents thread seizure during routine maintenance.
Yes. Many vintage restoration and custom builders in Cyprus possess rare Japanese or Italian bolts no longer in production. You can courier original hardware to our Baoji facility or provide precision digital caliper dimensions / 3D scans. Our engineering team will review the geometry, verify thread pitch, create CAD drawings, and produce an identical sample batch in GR5 titanium.
While electrochemical anodizing delivers vibrant blues, golds, and purples at a favorable price point, Physical Vapor Deposition (PVD) coating is the superior choice for coastal Limassol. PVD deposits an ultra-hard ceramic film (such as Titanium Nitride or Diamond-Like Carbon) under vacuum, offering exceptional surface hardness (HV > 2500) and zero fading under harsh UV radiation and salty air.
For standard catalogue bolts (such as DIN 912 socket caps, M6/M8 hex flange bolts, and M10 rotor bolts), our minimum quantity starts at only 100 to 200 pieces per size. For custom CNC components manufactured strictly to client blueprints, production runs begin at 50 pieces following initial prototyping approval.
Yes. For mission-critical motorcycle hardware such as brake caliper mount bolts, triple clamp pinch bolts, and swingarm spindles, we furnish EN 10204 3.1 Material Inspection Certificates detailing exact chemical spectroscopic breakdowns (C, Fe, N, O, H, V, Al, Ti balance) and destructive tensile, yield, and elongation test metrics.