GR5 Titanium Bolts M10*1*33mm Factory Price Hollow Allen Screw
Size: M10*1*33mm
Flat Socket Head
Ti-6Al-4V High Tensile
Factory Catalogue
Precision Titanium Hardware & Substrate Fastening Solutions
Precision-machined Grade 5 (Ti-6Al-4V) and commercially pure Grade 1/2 connection hardware calibrated for marine electrolyte resilience, electrochemical anode ribbons, and structural installations throughout The Hague and Rotterdam harbor facilities.
PSSTI GR5 Titanium Gold Flange Head Bolts Round Head M7*27
Size: M7*27
Anodized Gold
Integrate Flange Seat
GR5 Titanium Bolts M10*30mm Golden Cylinder Cap Hex Screws
Size: M10*30mm
Cylindrical Cap
PVD Golden Finish
GR5 Titanium Bolts M5*25mm Burn Blue Cup Head Allen Screws
Size: M5*25mm
Thermal Burnt Blue
Anti-Corrosive Cup Head
M6*12 Titanium Allen Hex Bolts Umbrella Type Fasteners
Size: M6*12mm
Umbrella Wide Head
Lightweight Rigid Fit
GR5 Titanium Bolts M14*1.0*35mm Umbrella Head Inner Hex Screws
Size: M14*1.0*35mm
Fine Thread Pitch
Tapered Load Seat
GR5 Titanium Bolts M6*70mm Button Head Inner Hex Screws
Size: M6*70mm
ISO Half-Round Dome
CNC Thread Rolled
GR5 Titanium Nuts M12*1.5 High Strength Hex Flange Full Thread
Thread: M12*1.5
Full Thread Hex Flange
Tensile > 895 MPa
Engineering Authority: MMO Titanium Mesh Anodes for Coastal & Industrial Environments
The coastal infrastructure of The Hague (Den Haag) and surrounding South Holland coastline experiences relentless exposure to aggressive North Sea saline conditions, high chloride penetration rates, and dynamic tidal shifts. In civil structures—such as coastal flood barriers, quay walls, buried tunnel links, and Scheveningen pier elements—chloride-induced rebar corrosion poses severe structural failure risks. For civil and electrochemistry procurement teams across the Netherlands, selecting an unyielding, dimensionally stable Mixed Metal Oxide (MMO) coated expanded titanium mesh anode system is standard practice to safeguard reinforced concrete through Impressed Current Cathodic Protection (ICCP) in compliance with NEN-EN-ISO 12696.
Manufactured in our dedicated Baoji metallurgical complex, our titanium mesh anodes utilize high-purity ASTM B265 Grade 1 or Grade 2 titanium expanded substrate ribbons and sheets, pretreated through precision micro-etching to remove native passive films. Subsequently, multi-component electrocatalytic precious metal oxide coatings—specifically formulated Iridium-Tantalum Oxide (IrO₂/Ta₂O₅) for oxygen-evolving concrete environments, or Ruthenium-Iridium Oxide (RuO₂/IrO₂) for mixed chlorine/oxygen evolution in seawater cooling systems—are applied via multi-layer thermal decomposition. This metallurgical bond ensures superior electrocatalytic current distribution, an exceptionally low consumption rate (less than 1 to 2 mg/A·a), and a verified service lifetime surpassing 50 to 100 years under standard ICCP design densities.
| Anode Chemistry & Geometry | Primary Operating Reaction | Current Density Range | Design Life Expectancy | Target Local Application (The Hague / NL) |
|---|---|---|---|---|
| MMO Ti Expanded Mesh (Ribbon / Sheet) | Oxygen Evolution (2H₂O → O₂ + 4H⁺ + 4e⁻) | 10 – 110 mA/m² (Concrete Matrix) | > 75 – 100 Years | Reinforced concrete bridge decks, quay walls, parking garages & seawalls |
| MMO Ti Tubular & Solid Rod Anodes | Chlorine / Mixed Gas Evolution | Up to 600 A/m² (Saline Marine) | > 30 – 50 Years | Deep-well groundbeds, coastal sheet piling, Scheveningen marina berths |
| Platinized Titanium Mesh (Pt/Ti) | Oxygen / Chlorine Evolution | Up to 2,500 A/m² (Electrolyte) | > 20 – 30 Years | High-purity electroplating, chemical water disinfection, laboratory electrolysis |
| Expanded Titanium Substrate Gr1/Gr2 | Conductive Base Layer Carrier | Determined by Coating Type | Substrate Unconsumed | Hydrogen generation stacks, fuel cell bipolar diffusion layers, chlor-alkali cells |
Crucial to ICCP execution in The Hague’s damp maritime atmosphere is the mechanical connection interface. Poorly matched fasteners can induce galvanic incompatibilities or accelerated local crevice corrosion. We provide precision cold-headed and CNC thread-rolled Grade 5 and Grade 2 titanium connecting bolts, conductor bar spot-welding tabs, and titanium hardware designed to remain completely inert within cementitious grouts and marine muds.
Field Deployments
Key Engineering Applications in the The Hague Region
How specialized Dutch engineering sectors deploy our expanded titanium mesh, ICCP systems, and titanium fasteners.
ICCP for Coastal Concrete & Scheveningen Quays
Embedded into cementitious overlays or slotted concrete ribbons across sea dikes, coastal bridge substructures, and underground coastal tunnels along the South Holland shoreline to halt steel bar degradation permanently.
Green Hydrogen & Clean Tech Innovation Corridors
Serving clean energy pilot facilities within the Delft-The Hague tech corridor. Our precision-expanded, highly porous platinum and iridium-coated titanium mesh functions as anode gas diffusion layers (GDL) for PEM water electrolysis.
Rotterdam-The Hague Maritime Water Treatment
Supplying dimensionally stable anodes (DSA) for electrochlorination systems that purify ballast water and control marine biological fouling in North Sea offshore wind foundation assemblies and harbor service vessels.
Market Trends
Procurement Dynamics Across the Netherlands
Analysis of regulatory compliance, environmental longevity, and life-cycle asset management guiding Dutch procurement managers.
Shift from Sacrificial Anodes to 100-Year ICCP
Civil infrastructure projects managed by Rijkswaterstaat increasingly mandate century-long design life criteria. MMO-coated expanded titanium mesh avoids the costly periodic replacement, localized acidification, and zinc/aluminum leaching linked with traditional sacrificial anode systems.
Stringent EN-ISO 12696 & NACE Certification
Dutch engineering contractors require thorough third-party validation, comprehensive chemical mill test certificates (EN 10204 3.1), and accelerated life test results (NACE TM0108 / NACE TM0294) to confirm catalyst adhesion and substrate integrity.
Direct Factory-To-Site Supply Chain Optimization
To mitigate domestic distribution markups and streamline project schedules, municipal developers and specialized corrosion protection contractors across The Hague source customized mesh dimensions and fasteners directly from certified manufacturers in Baoji.
Enterprise Credentials
Inquire Now
Why The Hague Engineers Partner with Navzo Precision
Founded on January 10, 2011 on Yucai Road within the High-tech Development Zone of Baoji, Shaanxi—widely acknowledged as China’s premier Titanium Valley—Navzo Precision Titanium Products Co., Ltd. operates an integrated, traceable titanium processing chain. Our manufacturing facilities encompass titanium ingot melting, cold mesh expanding, precision stamping, multi-axis CNC turning and milling, thread rolling, and proprietary thermal-decomposition MMO coating lines.
We export specialized titanium electrochemical products, structural titanium bars, custom CNC machined components, and high-tensile Grade 5 fasteners to top-tier industrial buyers across Germany, the Netherlands, the United States, South Korea, and Japan.
On-site Audited Facility
Mill Test Reports (MTR 3.1)
1-Hour Technical Response
Custom OEM/ODM Drawing Support
Buyer Guidance
Frequently Asked Questions by Dutch Procurement Engineers
Direct technical answers regarding alloy selection, coating formulations, shipment lead times to Rotterdam/The Hague, and compliance documentation.
What titanium grade serves as the core substrate for MMO mesh anodes?
Our expanded titanium mesh anodes exclusively utilize ASTM B265 Grade 1 or Grade 2 commercially pure titanium sheet. These grades offer exceptional mechanical ductility for diamond-pattern expansion, outstanding cold workability, and superior baseline corrosion resistance under anodic conditions.
How do IrO₂/Ta₂O₅ and RuO₂/IrO₂ coatings differ for North Sea projects?
IrO₂/Ta₂O₅ (Iridium-Tantalum Oxide) is strictly formulated for oxygen evolution environments, such as reinforced concrete structures, soil groundbeds, and fresh water, where no chlorine gas is liberated. Conversely, RuO₂/IrO₂ is tuned for mixed chloride-rich electrolytes, making it ideal for direct North Sea seawater intake lines and ballast water chlorination.
What documentation accompanies export shipments destined for The Hague?
Every shipment includes complete EN 10204 Type 3.1 chemical composition and tensile mill test certificates, dimensional and mesh diamond opening inspection reports, coating thickness verification sheets (XRF verified), and accelerated life test certification where specified.
Can you deliver custom mesh widths, ribbon spools, and pre-welded tabs?
Yes. In addition to standard mesh dimensions (such as 1220mm × 100m spools or ribbon mesh of 12.7mm width), we cut, shape, expand, and resistance-weld pure titanium conductor bars and terminal connectors according to exact site drawings provided by your engineering team.
Why use Grade 5 titanium bolts in ICCP electrical contact assemblies?
Grade 5 (Ti-6Al-4V) provides high yield strength (> 828 MPa) alongside total immunity to marine chloride stress cracking. When tightening junction boxes, busbar terminations, or mounting hardware into coastal concrete, titanium hardware eliminates the galling and galvanic couple hazards associated with stainless steels.
What are standard lead times and shipping routes to Rotterdam / The Hague?
Catalog items and standard expanded mesh rolls ship within 5 to 10 working days. Custom coated orders require approximately 15 to 25 days depending on batch surface area. Air freight to Schiphol (AMS) takes 4 to 6 business days, while consolidated ocean freight to the Port of Rotterdam delivers in 28 to 34 days.
Plan Your Next Cathodic Protection or Electrochemical Build
Consult directly with our metallurgists and manufacturing engineers. Receive full technical feasibility feedback, coating thickness suggestions, and competitive factory-direct quotations within one business hour.