M8 Gr5 Titanium Bolts Shoulder Screws Hex Socket Head Bolts for Motorcycle Yamaha Disc Brake Refit Bolt
Grade:Ti-6Al-4V Gr.5
Thread:M8 Precision Rolled
Tensile:> 950 MPa
Precision Catalog
Featured GR5 Ti-6Al-4V Bars, Fasteners & Hardware
Engineered directly from ultra-pure Baoji titanium ingots to meet stringent DIN, ISO, and ASTM standards for German engineering and Northern European manufacturing hubs.
GR5 Titanium Bolts M10*30mm Golden Cylinder Head Hex Socket Bolts Factory Price Cap Head Inner Hex Screws
Grade:Ti-6Al-4V (3.7165)
Surface:PVD Golden Nitride
Drive:Hex Socket DIN 912
GR5 Titanium Bolts M8*20mm Factory Price Countersunk Head Cross Bolts High Quality Flat Head Phillips Screws
Standard:DIN 7991 / ISO 10642
Dimension:M8 × 20 mm
Profile:Flush Fit Countersunk
GR5 Titanium Bolts M6*25mm Factory Price Umbrella Flange Head Inner Torx Bolts High Quality Taper Flange Head Inner Plum Screws
Drive:High-Torque Torx T30
Dimension:M6 × 25 mm
Feature:Umbrella Flange Head
Gr5 Titanium Screws Titanium T30 Torx Bolts for Motorcycle
Grade:Ti-6Al-4V Grade 5
Weight:44% Lighter than Steel
Application:Racing Chassis Assembly
GR5 Titanium Bolts M12*45mm Factory Price Cylindrical Head Hex Socket Bolts High Strength Cap Head Allen Screws
Dimension:M12 × 45 mm
Yield Strength:> 828 MPa
Standard:DIN 912 Heavy Pattern
GR5 Titanium Bolts M5*20mm High Quality Countersunk Head Hex Socket Bolts Factory Price Round Head Allen Screws
Dimension:M5 × 20 mm
Finish:Electrolytic Polish
Usage:Robotics / Marine Drones
GR5 Titanium Lock Anti Loosening Nut Bicycle Motorcycle Car Locked Tightly Titanium NUTSM6 M8 M10 PVD Finished
Range:M6 / M8 / M10
Mechanism:Self-Locking Nylon Ring
Finish:PVD Multi-Tone Black/Gold
2011+
Established in Baoji Valley
≤ 1h
German Engineering RFQ Speed
100%
EN 10204 3.1 Traceability
4.43g/cm³
True Ti6Al4V Lightweight Density
White Paper Brief
Metallurgical Architecture of Ti6Al4V (Grade 5 / Material No. 3.7165)
A detailed analysis of mechanical performance, alpha-beta crystallographic morphology, and critical tolerances required by Hamburg procurement managers.
Ti-6Al-4V (designated under Werkstoff Nr. 3.7165, UNS R56400, and ASTM B348 / AMS 4928) represents the ubiquitous workhorse of modern aerospace, maritime, and structural engineering. Classified as an alpha-beta alloy, its microstructural state is carefully balanced by aluminum (which stabilizes the hexagonal close-packed alpha phase, elevating elevated-temperature strength) and vanadium (which stabilizes the body-centered cubic beta phase, enabling superior ductility and response to thermo-mechanical processing).
"For procurement teams throughout Hamburg and the wider German maritime industrial sector, consistent yield properties and grain size uniformity (typically ASTM Class 5 or finer) are mandatory to avoid catastrophic fatigue failure under fluctuating cyclic marine and aerodynamic loads."
Navzo Precision Titanium integrates its manufacturing base in Baoji—China's world-renowned Titanium Valley—with direct export channels into Hamburg's maritime logistics corridor. By exercising comprehensive end-to-end control from vacuum arc remelting (VAR) ingot processing down to centerless bar peeling, hot-swaging, and CNC finishing, Navzo eliminates the brittle intermetallic segregations that frequently plague low-grade titanium derivatives.
Comparative Material Performance: Ti6Al4V vs. Conventional Marine & Aerospace Alloys
| Alloy Specification | Density (ρ) | Yield Strength (Rp0.2) | Tensile Strength (Rm) | PREN Corrosion Index | Thermal Expansion (α) |
|---|---|---|---|---|---|
| Ti-6Al-4V Gr.5 (Navzo Bar Stock) | 4.43 g/cm³ | ≥ 828 MPa | 895 – 1050 MPa | Immune to Cl- Pitting | 8.6 × 10⁻⁶ / K |
| Duplex Stainless 1.4462 (2205) | 7.80 g/cm³ | ≥ 450 MPa | 680 – 880 MPa | PREN ≈ 35 | 13.0 × 10⁻⁶ / K |
| Marine Austenitic 1.4404 (316L) | 7.98 g/cm³ | ≥ 220 MPa | 520 – 670 MPa | PREN ≈ 25 | 16.5 × 10⁻⁶ / K |
| Aircraft Aluminum 7075-T6 | 2.81 g/cm³ | ≥ 460 MPa | ≥ 540 MPa | Susceptible to Crevice/Pitting | 23.4 × 10⁻⁶ / K |
Industrial Integration
Localized Ti6Al4V Engineering Applications Across Hamburg
From the hyper-saline splash zones of the Port of Hamburg to Tier-1 aerospace sub-assembly plants in Finkenwerder, Grade 5 titanium bars resolve critical failure modes.
Port of Hamburg & Offshore Subsea
Naval shipyards and offshore facilities along the Elbe estuary deploy our precision-peeled Ti6Al4V round bars for deep-water propulsion shafts, subsea valve spindles, ROV pressure housings, and splash-zone fasteners. Grade 5 titanium creates a spontaneous, chemically stable TiO2 passive film, eradicating pitting, crevice corrosion, and microbiologically influenced corrosion (MIC) in brackish North Sea waters.
Aviation Hub Finkenwerder Sub-tier
Hamburg is Europe's premier commercial civil aviation hub. Tier-1 and Tier-2 suppliers fabricating structural brackets, hydraulic lines, and cabin attachment assemblies require AMS 4928 aerospace-certified Ti6Al4V bars. Ti6Al4V matches the low coefficient of thermal expansion of Carbon Fiber Reinforced Polymers (CFRP), completely eliminating galvanic decoupling and interfacial stress corrosion cracking common in aluminum-CFRP junctions.
Life Science Nord & Surgical Tooling
Operating within the Life Science Nord medical cluster in the Hamburg metropolitan region, instrument fabricators rely on our ASTM F136 ELI (Extra Low Interstitial) Ti6Al4V precision-ground rods. Characterized by tightly constrained oxygen (≤ 0.13%) and iron (≤ 0.25%) levels, our medical-grade titanium bars provide outstanding biocompatibility, fatigue persistence during high-frequency ultrasonic sterilization, and MRI non-magnetic transparency.
Need Certified Ti6Al4V Bar Samples for German Production Testing?
Our technical engineering desk can provide mill test reports (MTR) and physical bar cuts tailored to your dimensional drawings.
Market Trajectory
Northern German Titanium Procurement & Technology Trends (2025–2030)
Analyzing structural shifts in EU supply-chain security, green hydrogen logistics, and stringent decarbonization policies shaping Hamburg's procurement criteria.
Green Shipping & Hydrogen Infrastructure
Hamburg's aggressive transformation into a European green hydrogen terminal has accelerated the demand for corrosion-resistant fluid transfer components. Ti-6Al-4V bars are increasingly replacing traditional chrome-plated duplex steels in cryogenic ammonia valves and liquid hydrogen electrolysis manifolds due to high fracture toughness at sub-zero operating temperatures.
Strict CBAM & ESG Mill Traceability
Under EU Carbon Border Adjustment Mechanism (CBAM) frameworks, Hamburg importers now mandate full primary-smelting carbon accounting. Navzo ensures clean hydropower-backed sponge conversion in Shaanxi, supplying complete life-cycle analyses (LCA) and chemical batch tracking from raw sponge to rolled bar stock.
Ultra-Precision Centerless Grinding (h7/h6)
German automated machining centers (CNC Swiss turning) require raw bars with minimal runout and tight diameter tolerances. Navzo delivers precision-ground Ti6Al4V bars with h7 and h6 dimensional accuracies, ensuring frictionless continuous feeding, minimal spindle wear, and zero chatter vibration during high-speed turning.
Additive Manufacturing & Wire Arc Stock
Rapid prototyping facilities in Northern Germany are increasingly pairing subtractive bar CNC machining with Direct Energy Deposition (DED). Our high-purity Ti6Al4V bars and feedstock billets guarantee ultra-low non-metallic inclusions, ensuring stable melt pools and uniform metallurgical recrystallization.
Manufacturing Prowess
Navzo Precision Titanium: The Baoji-to-Hamburg Supply Advantage
Combining China's world-class titanium supply cluster with rigorous European engineering compliance, rapid logistics, and certified test documentation.
Direct Mill Source on Yucai Road, Baoji High-Tech Zone
Founded on January 10, 2011, Navzo Precision Titanium Products Co., Ltd. operates in the epicenter of China's titanium industry. Being situated directly within the Baoji Titanium Valley provides us with uninterrupted access to superior 0A-grade titanium sponge, cutting down raw material lead times by up to 60% compared to Western competitors.
Our integrated plant houses modern cold heading machines, multi-axis CNC turning and milling centers, thread-rolling machines, and in-house vacuum heat-treatment furnaces. This end-to-end operational capacity guarantees absolute quality consistency from raw forged billet to packaged DIN/ISO titanium fasteners.
100% In-house Thread Rolling
On-Site Ultrasonic Flaw Testing
≤ 1-Hour RFQ Turnaround
EN 10204 3.1 Certified Lots
Primary CNC Lathe & Peeling Hall
Automated Fastener Heading Lines
5-Axis Aerospace Tolerance Machining
Buyer Guidance
Frequently Asked Questions by German & European B2B Buyers
Clear, authoritative technical answers on customs, certification, material testing, and logistical timelines directly into Hamburg.
Does your Ti6Al4V bar stock comply with EN 10204 Type 3.1 certification?
Yes. Every shipment destined for Hamburg or wider European destinations is accompanied by an original EN 10204 3.1 inspection certificate. This document details heat-specific wet chemical analysis (Al, V, Fe, C, N, H, O content) and physical mechanical tests (tensile strength Rm, yield strength Rp0.2, elongation A%, reduction of area Z%), completely traceable to the primary vacuum ingot melt.
How are maritime shipments handled through the Port of Hamburg?
We routinely arrange CIF, DDP, and DAP terms directly to Hamburg harbour (Altenwerder, Burchardkai, or Eurogate terminals). Ocean freight transit typically runs between 28 to 34 days, while urgent project batches and pre-series evaluation samples ship via air freight to Hamburg Airport (HAM) within 5 to 7 business days with complete export customs declarations handled.
What diameter tolerances and surface finishes are available for bar stock?
Navzo supplies Ti6Al4V bars from Ø 2.0 mm to Ø 350 mm. Surface conditions include black forged, rough-turned, peeled, and centerless ground with polished finishes. Dimensional tolerances can be specified from coarse industrial standards down to ISO h9, h8, h7, and ultra-precise h6 tolerances for Swiss-lathe guide bushings.
How does Ti6Al4V perform against galvanic corrosion when paired with carbon fiber?
Unlike aluminum alloys which rapidly corrode when electrically coupled to conductive carbon fiber reinforced polymers (CFRP), Grade 5 titanium possesses an electrochemical potential near carbon. It shows exceptional galvanic compatibility, making it the premier choice for aerospace airframe attachments in Finkenwerder and lightweight maritime racing hulls.
What is the minimum order quantity (MOQ) for custom-machined components?
For standard catalog fasteners and standard-diameter ground bars in stock, our MOQ is typically 100 to 200 pieces or 50 kg of raw material. For bespoke CNC parts machined strictly to customer engineering drawings (STEP, DWG, or PDF), prototype test runs as small as 10 to 50 pieces are supported prior to full contract runs.
How does Navzo prevent galling on threaded Ti-6Al-4V fasteners?
Titanium is inherently susceptible to thread galling during dry assembly. We counter this by utilizing precision thread-rolling rather than cut threading—producing work-hardened, mirror-smooth thread roots. Furthermore, we offer functional surface treatments including micro-arc oxidation, hard PVD nitride coatings, and specialized molybdenum disulfide anti-seize applications.
Can you supply medical-grade Ti6Al4V ELI according to ASTM F136?
Yes. For customers within the medical engineering and dental sectors in Northern Germany, we manufacture Ti-6Al-4V ELI (Grade 23). This variant features significantly lower allowable limits for interstitial elements, maximizing fracture toughness and preventing adverse biological immune responses in permanent implantable devices.
Do your production methods comply with EU REACH and RoHS regulations?
All Navzo titanium bars, bolts, and hardware are fully compliant with EU Regulation (EC) No 1907/2006 (REACH) and Directive 2011/65/EU (RoHS). Our materials contain zero hazardous substances of very high concern (SVHC), eliminating customs clearance barriers within Germany and the broader European Union.
What non-destructive testing (NDT) protocols are conducted prior to dispatch?
Depending on application criticality, our quality assurance team conducts ultrasonic testing (per AMS 2631 or SEP 1921 standards to detect internal voids), liquid penetrant flaw detection (PT per ASTM E1417), dimensional verification using optical CMMs, and 100% Go/No-Go thread gauge checking before batch packaging.
How does Navzo support urgent engineering inquiries across European time zones?
Our dedicated international trade and engineering engineering desk operates with dedicated coverage for Central European Time (CET). RFQs, material evaluations, and price estimations are returned within 1 hour during German business hours, ensuring rapid project continuation for design engineers and buyers alike.