Gr5 Ti-6Al-4V
Direct Sourcing Catalog
High-Performance Titanium Hardware Ready for Västerås OEM Assembly
Explore our certified Grade 5 (Ti-6Al-4V) self-tapping screws, Torx shoulder bolts, high-torque hex flange fasteners, and custom CNC components manufactured to DIN and ISO dimensional tolerances.
UNF / Metric
Factory Wholesale Anodized GR5 Titanium Hex Flange Head Bolts M8/M10 UNF Thread Motorcycle Bolts
Core Line
GR5 Titanium M5 CNC Flower Head Self-Tapping Screws Factory Direct Grade 5
Custom Workpiece
Factory Wholesale Titanium Alloy Motorcycle Modified Custom Workpiece GR5 Bolts Fasteners Oil Cap Nut
DIN 912
High Quality DIN912 GR5 Titanium Alloy Hexagon Socket Head Bolts Industrial Fastener Machine Made Titanium Screws
Heavy Duty
Factory Direct Sales of Metric M5*15 Grade 5 Titanium Alloy Flange Screws with Right Hand Thread for Mining
Precision CNC
High Quality Gr5 Titanium Cross Dowel Nuts Titanium Adjusters' Knobs Bolt
Class 10 GR5
Tecksr Titanium Alloy Hex Head French-style Closed Flower Nuts Class 10 GR5 Motorcycle Modification Parts Nut
Engineering Whitepaper
Metallurgical Dynamics: Why Titanium Self-Tapping Screws Outperform in Demanding Environments
In mechanical fastening design, the integration of titanium self-tapping screws represents a paramount leap beyond legacy austenitic stainless steel (A2-70, A4-80) and zinc-electroplated carbon steels. Operating within modern engineering sectors requires resolving three conflicting variables: structural joint integrity, parasitic mass reduction, and long-term electrochemical stability. As modern designs push for higher efficiency in mobile and stationary assemblies, fastening mechanisms face intense localized vibration, cyclic thermal expansion, and aggressive exposure to chemical de-icing agents or industrial emissions.
Our Grade 5 titanium (chemical designation Ti-6Al-4V, Werkstoff 3.7165, UNS R56400) provides an optimal dual-phase (α+β) microstructural matrix. With an ultimate tensile strength exceeding 895 MPa and a yield strength surpassing 828 MPa, Grade 5 delivers mechanical load profiles equivalent to Class 10.9 heat-treated carbon steel while retaining a low volumetric density of just 4.43 g/cm³. When compared directly to ISO 3506-1 A4 stainless steel (density ~7.93 g/cm³), titanium self-tapping fasteners realize a direct 44% weight saving while mitigating fatigue wear through an advantageous modulus of elasticity (114 GPa versus 200 GPa for steel).
Critical Technical Advantage: Thread Pitch & Friction Dynamics
Unlike standard machine screws requiring pre-tapped mating female threads, titanium self-tapping screws feature precision-ground lead threads designed to either form (cold-roll) or cut chip-free female interfaces into thermoplastic housings, composite panels, extruded aluminum (6000/7000 series), and magnesium chassis. Zunvo incorporates optimized flank angles and proprietary thread geometries (e.g., DIN 7981, DIN 7982, and customized 30° trilobular cross-sections) to reduce driving torque by up to 28% while increasing ultimate strip-out resistance.
Material Comparison: Fasteners in High-Stress Environments
The comparative matrix below outlines key physical and mechanical parameters evaluated by design engineers when specifying fastener hardware for precision electrical and industrial assemblies:
| Mechanical / Physical Property | Zunvo Gr5 Ti-6Al-4V Titanium | A4-80 Stainless Steel (AISI 316) | Alloy Steel 10.9 (Quenched & Tempered) | 7075-T6 Hardened Aluminum |
|---|---|---|---|---|
| Density (ρ) | 4.43 g/cm³ | 7.98 g/cm³ | 7.85 g/cm³ | 2.81 g/cm³ |
| Tensile Strength (Rm) | ≥ 895 – 1000 MPa | 800 MPa | 1040 MPa | 570 MPa |
| Yield Strength (Rp0.2) | ≥ 828 MPa | 600 MPa | 940 MPa | 505 MPa |
| Specific Strength (Rm / ρ) | 202 – 225 kN·m/kg | 100 kN·m/kg | 132 kN·m/kg | 202 kN·m/kg |
| Modulus of Elasticity (E) | 114 GPa | 193 GPa | 210 GPa | 72 GPa |
| Corrosion Resistance (C5 Marine/Chloride) | Immune (Stable TiO&sub2; Layer) | Moderate (Risk of Pitting) | Extremely Poor Uncoated | Susceptible to Exfoliation |
| Magnetic Relative Permeability (μr) | 1.00005 (Non-magnetic) | ~1.005 – 1.05 (Cold Work Risk) | > 100 (Ferromagnetic) | 1.00002 (Non-magnetic) |
Regional Engineering Focus
High-Precision Applications in the Västerås Industrial Cluster
Västerås stands as Sweden's electrification capital, hosting world-leading power transmission innovators, industrial robotics manufacturers, and clean-tech pioneers. Our titanium self-tapping screws solve critical engineering challenges across regional high-tech supply chains.
Grid & Transformer Enclosures
Within high-voltage substations and solid-state transformers, stray eddy currents and inductive heating degrade ferromagnetic screws. Non-magnetic Ti-6Al-4V self-tapping screws secure sensory shrouds and composite insulation plates without generating thermal hotspots or electromagnetic interference.
Robotics & Automated End-Effector Tooling
Accelerating pick-and-place robots at Finnslätten technology park require minimal arm inertia. Replacing steel fasteners with titanium self-tapping screws on end-of-arm tooling, carbon-fiber gripper arms, and sensor brackets reduces dynamic vibration, allowing cycle times to drop by fractions of a second.
Lake Mälaren Marine & Watercraft
Operating in both freshwater Lake Mälaren and brackish Baltic transition waters, commercial and recreational electric watercraft face severe corrosion. Zunvo titanium fasteners provide complete immunity to crevice and pitting corrosion, securing hull transoms, fairings, and deck battery enclosures indefinitely.
Battery Packs & Specialized Transport
Regional electric commercial vehicles, heavy mining loaders, and rolling stock sub-assemblies demand high-integrity fastenings for structural polymer battery packs. Titanium self-tapping screws penetrate engineered polyamides and aluminum casings without stripping, preserving clamping force despite rough Nordic road conditions.
Market Evolution
Emerging Fastener Demand Trends Across Västerås & the Mälardalen Region
The industrial landscape of Västerås is undergoing an aggressive structural transformation centered on green re-industrialization, circular manufacturing systems, and extreme electrification. Engineering teams operating across central Sweden are revising their Bills of Materials (BOM) to comply with stringent sustainability mandates and longevity targets.
Decarbonization Through Lightweighting
Every gram eliminated from dynamic electrical machinery directly translates to lower operational kilowatt-hours. In mobile robotics and commercial EVs, switching secondary bracket and casing fasteners from stainless steel to titanium provides a measurable reduction in aggregate kinetic mass.
Replacement of Toxic Zinc & Cadmium Platings
EU REACH directives are continuously restricting surface coatings that utilize hexavalent chromium and hazardous passivations. Pure Ti-6Al-4V fasteners rely on a naturally self-healing inert titanium dioxide (TiO&sub2;) layer, eliminating chemical peel-off and heavy-metal leaching hazards entirely.
Automated Modular Assembly Optimization
With smart factories scaling throughout the Finnslätten industrial corridor, automated screw-driving spindles require fasteners with zero dimensional wobble. Zunvo's cold-headed Torx (T-Drive) titanium self-tapping screws prevent premature bit cam-out, extending automated robot driver service life.
Furthermore, local procurement specialists are emphasizing Total Cost of Ownership (TCO) over initial unit cost. While standard carbon steel screws incur recurring expenses via anti-corrosion maintenance, joint re-torque routines, and premature galvanic failure against aluminum enclosures, Grade 5 titanium fasteners remain maintenance-free for decades in extreme Nordic freeze-thaw cycles.
Factory Heritage & Quality
Precision Titanium Manufacturing: The Zunvo Advantage
Rooted in Baoji, China—globally recognized as "China's Titanium Valley"—Zunvo Titanium Products Co., Ltd. combines raw material sovereignty with world-class multi-axis CNC machining and high-speed cold heading capabilities.
Full Traceability From Smelter Ingot to Final Fastener
Founded in 2015, Zunvo maintains a team of 101–200 dedicated metallurgists, CNC technicians, and quality engineers operating across 1,000–3,000 m² of precision production floors. Being co-located with primary titanium sponge smelters gives us unparalleled traceability: every production run is certified to heat numbers with complete EN 10204 3.1 chemical composition and mechanical test verification.
- Precision Cold Heading & CNC: Thread tolerance held to 6g / 6H, CNC turning tolerances down to ±0.005 mm for aerospace and robotic fit.
- Specialized Surface Treatments: In-house multi-spectrum anodization (electric potential controlled) and hard Physical Vapor Deposition (PVD) titanium nitride/DLC coating.
- Rapid Nordic Logistics: 3-day sample dispatch for prototype validation; complete batch production in 7–15 days with express air customs clearing to Arlanda & Västerås.
Procurement Intelligence
Frequently Asked Questions by Nordic Engineering & Purchasing Teams
Key technical and supply-chain inquiries addressed by Zunvo's engineering department regarding procurement, compliance, thread mechanics, and metallurgical validation.
Do your titanium self-tapping screws comply with EU RoHS and REACH regulations?
Yes. All Zunvo Grade 5 (Ti-6Al-4V) and Grade 2 titanium products are 100% compliant with EU Directive 2011/65/EU (RoHS) and Regulation (EC) No 1907/2006 (REACH). Titanium alloy fasteners are completely free of lead, cadmium, mercury, and hexavalent chromium coatings, which simplifies environmental compliance reporting for Swedish OEMs.
How do you mitigate galvanic corrosion when threading titanium screws into aluminum?
Titanium has a noble electrochemical potential (+0.05V to -0.05V vs SCE). When fastening into structural aluminum (such as 6082-T6 commonly utilized in Nordic enclosures), galvanic coupling can occur if a conductive electrolyte is present. We recommend our specialized PVD ceramic isolation barriers, fluoropolymer thread coatings, or non-conductive synthetic washers to ensure zero galvanic ion transfer.
What mill test certification is provided with every shipment to Sweden?
Every production batch includes an authentic EN 10204 Type 3.1 inspection certificate. This document details actual heat analysis (elements: Ti balance, Al 5.5-6.75%, V 3.5-4.5%, Fe ≤ 0.40%, O ≤ 0.20%), tensile test results (Rm, Rp0.2), elongation percentage (≥ 10%), and dimensional go/no-go verification records.
What are typical lead times and customs arrangements for Västerås deliveries?
Catalog fasteners in stock ship within 24 hours. Customized CNC self-tapping fasteners or drawing-based orders are sampled within 3 days, followed by 7–15 days for volume production. Shipments are routed DDP (Delivered Duty Paid) or DAP via DHL Express, FedEx, or air freight directly to Stockholm Arlanda or local Västerås freight hubs within 4 to 6 business days.
Can Grade 5 titanium self-tapping screws penetrate sheet steel or thick composites?
Ti-6Al-4V fasteners excel in engineered thermoplastics, carbon fiber reinforced polymers (CFRP), glass fiber laminates, and aluminum alloys up to 4.0 mm. For hard steel panels, pilot-hole diameter sizing is crucial; our application engineers provide tailored pilot hole drill charts to avoid head shear while ensuring maximum thread flank engagement.
What are the recommended drive styles to prevent cam-out in robotic assembly?
We strongly recommend our CNC-machined Torx (T15, T20, T25, T30) or hexalobular socket geometries over traditional Phillips or slotted designs. The deep, vertical-flank engagement of Torx drives eliminates axial push-down requirements, substantially reducing worker fatigue and preventing tool slippage in high-speed robotic assembly cells.
What is your Minimum Order Quantity (MOQ) for non-standard custom thread pitches?
For standard stocked metric self-tapping screws, the MOQ is 100–200 dozens. For custom drawing-based geometries, specialized head shapes (e.g., flying-saucer, low-profile umbrella), or custom shoulder steps, our minimum production pilot starts from just 100 pieces to facilitate rapid prototype verification.
How does the galling tendency of titanium compare to stainless steel during assembly?
Like stainless steel, titanium alloys can experience surface galling under high-friction, unlubricated high-speed driving. Zunvo counteracts this by offering microscopic molybdenum disulfide (MoS&sub2;) dry lubricants, anodized oxide layers, or customized anti-friction waxes that allow smooth installation without thread seizure.
Connect Directly With Our Titanium Fastening Specialists
Accelerate your mechanical design cycles, reduce payload mass, and secure resilient supply channels for your industrial automation, marine, or electrification projects in Västerås and throughout the Nordic territory.
