GR5 Titanium Bolts M9*1.0*12mm Knurled Bolts
- Grade: Ti-6Al-4V Gr5
- Pattern: Knurled Cylindrical
- Standard: ISO Metric / OEM
Stock & Custom Production
High-Performance GR5 (Grade 5) Titanium Fasteners & Bars
Engineered from ASTM B348 / AMS 4928 certified aerospace raw materials. Fully traceable, high-tensile precision titanium stock ready for shipment to Belgrade, Novi Sad, Niš, and Kragujevac.
Polished GR5 Titanium Exhaust Stud M8*1.25*45
- Grade: Ti-6Al-4V Gr5
- Application: Thermal / Exhaust
- Surface: Mirror Polished
GR5 Golden M10*30mm Hex Socket Cap Bolts
- Grade: Ti-6Al-4V Gr5
- Finish: PVD Titanium Gold
- Drive: Inner Hex Socket
GR5 Titanium Hex Cap Bolts M10*40mm
- Grade: Ti-6Al-4V Gr5
- Tensile: ≥ 895 - 950 MPa
- Head Style: DIN 912 Standard
GR5 Titanium M10*20mm Countersunk Bolts
- Grade: Ti-6Al-4V Gr5
- Type: DIN 7991 Flush Mount
- Processing: Precision CNC Turned
GR5 Titanium M8*20mm CNC Flat Head Bolts
- Grade: Ti-6Al-4V Gr5
- Tolerance: ISO 6g / 6H Precision
- Density: 4.43 g/cm³
Gr5 Titanium T30 Torx Motorsport Bolts
- Grade: Ti-6Al-4V Gr5
- Drive: High-Torque Torx T30
- Corrosion: Severe Chemical/Salt
GR5 Titanium M5*25mm Burn Blue Allen Screws
- Grade: Ti-6Al-4V Gr5
- Surface: Thermal Anodized Blue
- Use: Racing / Precision Tech
2011
Baoji Titanium Hub Origin
895+ MPa
Minimum Guaranteed Tensile
≤ 1 Hour
RFQ Technical Response Time
100%
Ultrasonic & PMI Inspected
Technical Whitepaper: GR5 (Ti-6Al-4V / 3.7165) Metallurgy & Machining Specifications
Grade 5 Titanium (UNS R56400, W.Nr. 3.7165) represents the apex of structural lightweight engineering. Composed of approximately 6% Aluminum and 4% Vanadium, this alpha-beta alloy achieves an exceptional strength-to-weight ratio, boasting an ultimate tensile strength exceeding 895 MPa while maintaining a low density of 4.43 g/cm³. For procurement teams across Serbia evaluating metal replacements for high-stress assemblies, Ti-6Al-4V delivers 44% weight reduction compared to structural alloy steel (e.g., 42CrMo4) and austenitic stainless steels (AISI 304 / AISI 316), alongside superior biological compatibility and near-total immunity to chlorides, wet chlorine, and organic acid corrosion.
Navzo executes stringent quality management over hot-rolled, cold-drawn, and peeled centerless ground titanium bars. Every lot is melted using vacuum arc remelting (VAR) techniques to eliminate interstitial gas contamination (O, N, H, C), ensuring precise adherence to standard mechanical specifications governed by ASTM B348, AMS 4928, and ISO 5832-3. Whether your production lines in Belgrade or Kragujevac require raw centerless ground bar stock for multi-axis CNC Swiss machining or finished, thread-rolled DIN/ISO fasteners, our vertically integrated manufacturing facility in Baoji controls the entire production cycle from sponge titanium to micro-finished finished geometries.
Empirical Data
Material Property Benchmark: GR5 vs. Industrial Steels
| Alloy & Grade | Density (g/cm³) | Yield Strength (MPa) | Tensile Strength (MPa) | Modulus of Elasticity (GPa) | Corrosion Resistance |
|---|---|---|---|---|---|
| Navzo GR5 (Ti-6Al-4V / W.Nr. 3.7165) | 4.43 | ≥ 828 | ≥ 895 - 1050 | 114 | Outstanding (Native TiO&sub2; passivation) |
| Austenitic Stainless (AISI 316L / 1.4404) | 8.00 | 220 - 300 | 520 - 680 | 193 | High (Susceptible to pitting/crevice in Cl‾) |
| High-Tensile Carbon Steel (Grade 10.9) | 7.85 | 900 | 1000 - 1040 | 210 | Low (Requires galvanizing/coating) |
| Commercially Pure Titanium (GR2 / 3.7035) | 4.51 | 275 - 350 | 345 - 480 | 103 | Extreme (Optimized for chemical processing) |
*Comparative reference values synthesized according to ASTM B348, ASTM F136, ISO 3506-1, and EN 10088-3. Mill test certification conforming to EN 10204 3.1 is furnished with every dispatched consignment.
Localized Integration
Strategic Engineering Applications Across Serbia
Serbia's rapidly expanding industrial ecosystem—strengthened by bilateral strategic partnerships, modern infrastructure corridors, and expanding European supply chain integration—demands advanced structural materials.
Automotive Tier-1 & Tier-2 Machining in Kragujevac
Kragujevac’s historic and expanding automotive cluster demands high-strength, lightweight rotating parts. Our GR5 titanium bars serve as the baseline material for performance valve retainers, connecting rods, motorsport wheel studs, and turbocharger actuator components where inertial mass reduction translates directly into powertrain efficiency and lower cycle wear.
Medical Equipment & Orthopedic Implants in Belgrade
Serbia's biomedical research facilities and orthopedic hardware developers rely on ASTM F136 ELI (Extra Low Interstitial) and medical-standard GR5 bars. Characterized by strict limits on iron and interstitial oxygen, our biocompatible round bars are routinely converted into trauma plates, pedicle screws, dental fixtures, and high-precision surgical instruments.
Defense, Aviation Maintenance & Precision Drone R&D
With cutting-edge drone engineering and aerospace research centering around the Science Technology Park Belgrade and specialized national industrial manufacturers, Ti-6Al-4V provides indispensable structural rigidity, elevated fatigue strength, and high vibration damping across airframe linkages, propulsion spars, and avionic enclosures.
Heavy Chemical & Petrochemical Processing in Pančevo
Pančevo’s petrochemical refineries, fertilizer complexes, and specialty process lines experience aggressive chemical attack from moist sulfur dioxide, sour crudes, and sulfuric vapors. Utilizing GR5 and GR2 titanium bar stock for thermowells, sensor housing, valves, and manifold fasteners mitigates stress-corrosion cracking and eliminates unscheduled plant shutdowns.
Specialized Machine Building & Tooling in Novi Sad & Niš
Advanced European machinery integrators located across Vojvodina and Southern Serbia incorporate Navzo titanium stock into high-speed automation pick-and-place end-effectors, precision CNC tooling adapters, and ultrasonic sonotrode components, benefiting from titanium's unique acoustic velocity and low thermal expansion coefficient.
Macro Environment
Industrial Trends & Titanium Procurement in Serbia
Strategic perspectives on nearshoring, supply chain resilience, and the expanding China-Serbia economic framework.
Free Trade Agreement (FTA) Cost Efficiencies
Following the enactment of the comprehensive China-Serbia Free Trade Agreement, customs duties on a broad array of specialized metallic materials, semi-finished bars, and specialized fasteners are progressively lowered or eliminated. Serbian procurement managers can import premium-grade certified titanium directly from the mill origin in Baoji at net landed costs significantly lower than third-party European stockists.
Intermodal Silk Road Logistics Integration
Navzo utilizes dedicated express air-cargo routing to Belgrade Nikola Tesla Airport (BEG) for urgent pilot batches and CNC tool-testing campaigns, alongside cost-effective China-Europe multimodal freight railway connections directly serving regional Serbian dry ports. Standardized maritime-rail freight through Adriatic ports (such as Piraeus, Rijeka, or Bar) provides predictable lead times for mass manufacturing supply runs.
EU CE & ISO Quality Compliance Alignment
As Serbian OEM suppliers export finished assemblies into Germany, Austria, Italy, and broader European Union destinations, end-use documentation becomes non-negotiable. Navzo ensures every batch matches rigorous international standards including DIN, ISO, ASTM, and AMS, backed by full traceability, EN 10204 3.1 inspection certification, and full spectral composition verification.
Manufacturing Authority
Why Engineers Choose Navzo Precision Titanium
Founded on January 10, 2011, on Yucai Road in the High-tech Development Zone of Baoji—China's renowned "Titanium City"—Navzo integrates raw material smelting control, CNC milling, thread rolling, and surface treatment.
Sponge-to-Bar Raw Material Origin
Located in the heart of the Baoji Titanium Valley, we source primary sponge titanium directly from verified smelting partners. Our raw Ti-6Al-4V bars are processed with complete heat-lot traceability, eliminating voids, alpha-case brittle layers, or non-metallic inclusions.
Advanced Multi-Axis CNC & Thread Rolling
Unlike machined cut threads that induce stress concentration notches, Navzo uses cold thread-rolling processes on high-strength Grade 5 bolts. This preserves uninterrupted grain flow, elevating dynamic fatigue endurance by more than 30% for demanding motorsport and mechanical applications.
Certified Dimensional & Metallurgical Control
Our Quality Inspection Center utilizes 3D optical comparators, Mitutoyo thread gauges, ultrasonic defect detection, Rockwell hardness testing, and handheld XRF spectrometers to guarantee compliance before outbound packaging.
Baoji CNC Production Line
Precision 5-Axis Turning & Milling
Integrated Forming & Inspection Facility
Serbian Buyer Q&A
Frequently Asked Questions for Serbian Procurement Teams
Practical answers addressing tariffs, logistics, material standards, and technical specifications for direct factory orders.
What documentation is provided to clear Serbian customs smoothly?
Every shipment is accompanied by a certified commercial invoice, packing list, bill of lading / airway bill, Certificate of Origin (Form A or bilateral FTA forms to benefit from preferential tariff rates), and the authentic EN 10204 3.1 Mill Test Certificate detailing actual heat chemical breakdown and tensile test parameters.
What diameter tolerances and surface finishes are available for GR5 titanium bars?
Navzo supplies GR5 (Ti-6Al-4V) bars from Ø2.0mm up to Ø350mm. Standard cold-drawn or centerless ground round bars conform to ISO h7, h8, and h9 tolerances, suitable for immediate insertion into automated Swiss-lathe collets. Available surface finishes include black forged, peeled, pickled, and Ra ≤ 0.4 μm mirror-ground finishes.
Can Navzo customize titanium parts based on European technical drawings?
Yes. Our in-house engineering team regularly processes CAD files in STEP, IGES, DWG, and PDF formats according to ISO 2768-m/f standards. Whether your project requires custom thread pitches, cross-drilled heads for lock-wiring, or tight aerospace tolerances, our multi-axis CNC machines deliver exact conformance.
What is the typical shipping lead time from Baoji to Serbia?
For catalog bolts, studs, and standard diameter ground bars in stock, dispatch occurs within 48 to 72 hours. Air express delivery to Belgrade Nikola Tesla Airport typically requires 5 to 8 business days. For containerized bulk shipments using multimodal rail or combined sea-rail routes, transit times average 28 to 35 days.
How should Serbian engineers prevent galling when installing titanium fasteners?
Titanium threads possess a naturally adherent oxide layer that can cause galling under high-pressure friction, especially when mated to other titanium or stainless steel internal threads. We recommend applying a premium nickel-based or molybdenum-disulfide anti-seize paste during installation, or ordering our PVD-coated and micro-anodized parts designed to lower friction coefficients.
What are the minimum order quantities (MOQ) for Serbian machine shops?
For standard catalog fasteners (M3 through M24), the MOQ starts at 100 to 200 pieces. For titanium round bars, we support initial R&D prototyping with sample orders starting from a single full length (typically 1 to 3 meters). Production contract runs for customized CNC components are evaluated based on machining cycle times.