GR5 Titanium Bolts M8*20mm CNC Machined Hexagon Head Full Thread Bolts Factory Price Flat Head Screws
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DimensionsM8 × 20 mm
Raw GradeTi-6Al-4V (Gr5)
Thread ProfileRolled ISO Metric
Explore our precision cold-headed and multi-axis CNC machined Grade 5 (Ti-6Al-4V) socket cylindrical head fasteners. Full material certifications (EN 10204 3.1 MTR) and customized finishes available on every batch.
Aarhus stands as Denmark's industrial engine for offshore renewable power, marine logistical infrastructure, food tech machinery, and precision automation. Sourcing our ISO/DIN cylindrical titanium bolts solves localized environmental stresses that conventional steels cannot withstand.
The Kattegat marine corridor subjects nacelle instrumentation, LiDAR anemometry mounts, and pitch blade actuator assemblies to relentless saline aerosol exposure. Our GR5 titanium cylindrical head bolts (DIN 912) deliver complete immunity to pitting and crevice corrosion under CX marine atmospheres, eliminating unscheduled offshore turbine maintenance at sea.
As Denmark's largest container terminal, Port of Aarhus operates high-cycle quayside automated cranes and submerged sensor housings. Titanium socket head bolts provide exceptional cyclic fatigue endurance (>510 MPa fatigue limit) and negative biofouling susceptibility, preventing chloride-induced stress corrosion cracking in permanent splash zones.
The Jutland agricultural corridor relies heavily on aggressive CIP (Clean-in-Place) sanitation cycles involving nitric acid and hypochlorite solutions. While AISI 304 and 316 stainless bolts exhibit pit initiation, Navzo titanium cylindrical fasteners retain a passive TiO&sub2; layer, ensuring zero chemical leaching into pharmaceutical and infant nutritional production lines.
Danish collaborative robotics manufacturers require low rotational inertia on robotic wrists and End-of-Arm Tooling (EOAT). Replacing class 10.9 steel cylindrical socket screws with GR5 reduces joint inertia by 44%, decreasing motor thermal buildup, enabling higher joint accelerations, and prolonging gear reducer lifecycle.
Aarhus University research labs and green hydrogen power-to-X facilities require fastener ductility at cryogenic temperatures. Unlike ferritic and martensitic alloy steels that undergo sharp ductile-to-brittle transitions below -40°C, Grade 5 titanium maintains superior impact toughness down to -196°C without catastrophic brittle failure.
Understanding the transition in Scandinavian equipment specification: why OEM design directors in Aarhus are pivoting from 316L and duplex stainless to precision titanium bolts.
Levelized Cost of Energy (LCOE) calculations increasingly reflect offshore technician labor costs (€2,500+/day). Bolted joints in blade root sensor collars and yaw rings specified in Ti-6Al-4V eliminate premature crevice corrosion, yielding total lifecycle asset survival exceeding 25 years without bolt re-torquing or rust mitigation.
Central Denmark's multi-megawatt Power-to-X and proton exchange membrane (PEM) electrolyzer builds require materials completely resistant to embrittlement by nascent hydrogen. High-grade titanium components prevent hydrogen-induced delayed cracking, guaranteeing long-term hermetic seal integrity on fluidic manifold covers.
Aarhus enterprise procurement requires transparent material provenance. As a manufacturer located in Baoji—where 60% of Chinese raw titanium ingot is formulated—Navzo delivers full chemical batch traceability from melt furnace sponge to rolled rod and finished bolt, aligning directly with EU CSRD compliance requirements.
Data-backed mechanical evaluation across density, yield strength, seawater pitting resistance, and galvanic compatibility. Mill Test Reports (MTR) according to EN 10204 3.1 accompany every shipping batch.
| Material Specification | Density (g/cm³) | Tensile Strength (MPa) | Yield Strength (MPa) | PREN Number | Marine Crevice Corrosion | Kinematic Weight Saving |
|---|---|---|---|---|---|---|
| Navzo GR5 Titanium (Ti-6Al-4V) | 4.43 | ≥ 895 – 1000 | ≥ 828 | ∞ (Native Oxide Film) | Immune (≤ 130°C) | Benchmark (Baseline) |
| Austenitic Stainless (A4-80 / 316) | 7.98 | ≥ 800 | ≥ 600 | 23 – 25 | Vulnerable in Stagnant Saline | +80.1% Heavy Weight Penalty |
| High-Tensile Alloy Steel (Class 10.9) | 7.85 | 1040 | 940 | N/A | Severe Rust Without Cadmium/Zinc | +77.2% Inertial Burden |
| Duplex Stainless Steel (2205) | 7.80 | 655 – 880 | ≥ 450 | 32 – 35 | Moderate Threshold Risk | +76.1% Excess Mass |
| Commercially Pure Ti (Grade 2) | 4.51 | ≥ 345 | ≥ 275 | ∞ | Immune (≤ 80°C) | +1.8% Weight Differential |
Founded in 2011 in China's Silicon Valley of Titanium, Navzo operates an integrated supply ecosystem spanning vacuum arc remelting bar stock to multi-axis CNC Swiss turning centers.
Situated in Baoji, Shaanxi, we tap directly into China's primary titanium sponge and ingot supply chain. This raw material proximity lowers our production lead times, shields Aarhus purchasers from volatile broker markups, and ensures pristine heat-to-heat chemical consistency.
Our workshop houses high-speed automated heading units, precision multi-spindle Swiss CNC turning machinery, and thread-rolling equipment. Rolled thread grain structures follow continuous metallurgical flow lines, boosting fatigue endurance over single-point cut threads by 30%.
With an average RFQ reply window under 1 hour, our export engineering department bridges the time difference with Aarhus. We review OEM 2D CAD files (DWG, PDF) and 3D STEP solid models rapidly, highlighting potential stress risers and threading clearances prior to cutting.
To combat titanium-on-titanium galling, we perform micro-arc oxidation, multi-spectrum electrochemical anodizing, and hard physical vapor deposition (PVD). PVD coatings yield surface hardness up to 2200 HV, safeguarding threads through repeated assembly and field re-torquing.
Every shipment bound for Danish ports undergoes comprehensive batch testing: Go/No-Go thread gauge checking, optical profile measuring (contour projectors), Rockwell/Vickers hardness testing, and spectrographic composition verification against ASTM B348 / F136 criteria.
Over a decade of direct B2B supply to verified engineering hubs across Europe, North America, and Asia. We provide DDP air-freight direct to Aarhus and Billund airports or consolidated maritime container delivery via Port of Aarhus with customs paperwork fully handled.
Clear, technically precise answers addressing customs classification, galvanic prevention, thread galling, and delivery logistics for mechanical engineers and supply officers in Region Midtjylland.
Whether you require DIN 912 standard cylindrical head fasteners or custom multi-axis CNC titanium components tailored to your offshore or robotic blueprints, Navzo provides direct factory pricing, certified material lots, and quick-turn fulfillment for Aarhus.