Manufactured from authentic aerospace-grade Ti-6Al-4V bar stock in Baoji Titanium Valley and direct-shipped to OEM integrators and technical distributors across western Slovakia.
In mechanical engineering and precision machine design, the titanium grub screw (blind set screw) serves as an indispensable fixing element. Characterized by the lack of an external protruding head, a grub screw is engineered to pass completely through a tapped hole to secure an internal component against a rotating shaft, spindle, collar, or locating bushing. For precision plants operating across the Bratislava industrial corridor—from Devínska Nová Ves to the Trnava manufacturing fringe—replacing common alloy steels with Grade 5 Titanium (Ti-6Al-4V / DIN 3.7165) provides exceptional structural advantages where rotational inertia, corrosion, thermal cycling, and weight reduction are paramount.
While standard DIN 913, DIN 914, DIN 915, and DIN 916 grub screws are widely stocked in zinc-plated class 45H alloy steel or A2/A4 stainless steel, high-precision mechatronics face chronic failures involving stripped internal sockets, galvanic pitting, or rotational imbalance caused by excess mass. Titanium Grade 5 possesses an ultimate tensile strength exceeding 895 MPa and a yield strength above 828 MPa, matching or exceeding class 8.8 and 10.9 structural steels while reducing hardware weight by approximately 44% (density of 4.43 g/cm³ versus 7.85 g/cm³ for steel).
Furthermore, in automated assembly lines operating within high-humidity or chemical cleaning environments in Central Europe, titanium forms an instantaneous, self-healing rutile (TiO₂) oxide passive film. This renders the set screw impervious to chloride attack, road salts, brake fluids, and industrial atmospheric corrosion, precluding the disastrous phenomenon of frozen, corroded headless fasteners that require destructive EDM drilling to extract.
| Mechanical / Chemical Property | Gr5 Titanium (Ti-6Al-4V) | A4-80 Stainless Steel | 12.9 Carbon Alloy Steel | 7075-T6 Hard Aluminum |
|---|---|---|---|---|
| Density (ρ) | 4.43 g/cm³ | 8.00 g/cm³ | 7.85 g/cm³ | 2.81 g/cm³ |
| Tensile Strength (Rm) | ≥ 895 - 950 MPa | 800 MPa | 1,220 MPa | ~ 570 MPa |
| Yield Strength (Rp0.2) | ≥ 828 MPa | 600 MPa | 1,100 MPa | ~ 500 MPa |
| Strength-to-Weight Ratio | 202 kN·m/kg (Exceptional) | 100 kN·m/kg | 155 kN·m/kg | 202 kN·m/kg |
| Point Geometries Available | Flat, Cone, Cup, Dog, Knurled | Flat, Cup, Cone | Flat, Cup, Dog, Knurled | Flat, Cone |
| Internal Drive Standards | Hex Socket (DIN 913-916) / Torx (TX) | Hex Socket | Hex Socket | Hex Socket |
| Magnetic Susceptibility | Completely Non-Magnetic (μr ≈ 1) | Slightly Paramagnetic | Ferromagnetic | Non-Magnetic |
Grub screws rely solely on internal keying systems to transmit torque during blind insertion. Our precision manufacturing line in Baoji manufactures customized DIN and ISO standard titanium grub screws with tight internal broaching tolerances:
The Bratislava industrial agglomeration serves as the nerve center of Slovakia's advanced manufacturing economy. Situated at the geopolitical intersection of Austria, Hungary, and the Czech Republic, Bratislava and its surrounding VÚC industrial zones (such as Malacky, Senec, and Pezinok) require top-tier mechanical components. The adoption of China-manufactured titanium grub screws solves distinct localized engineering bottlenecks:
Within the automotive plants producing electric and high-performance SUVs in Bratislava, titanium grub screws secure sensor housings, proximity switches, and robotic gripper tooling in battery assembly stations where zero magnetic interference and minimal reciprocating inertia are vital.
The extensive logistics corridors in Senec and industrial automation R&D laboratories in Bratislava utilize our M3 to M6 titanium cup-point set screws to clamp timing belt pulleys and rotary encoders without causing axial slippage or shaft marring.
With Slovakia's profound culture of mountain biking along the Small Carpathians and competitive kart/track racing around the Slovakiaring, tuners replace steel chassis fasteners and suspension pivot pins with Gr5 titanium screws to shed critical unsprung rotational mass.
A crucial factor for Slovak design engineers specifying Grade 5 titanium into aluminum housings (such as 6061-T6 or 7075-T6 gearboxes) is galvanic isolation. While titanium is electrochemically noble, direct metallic coupling in the presence of conductive moisture can induce sacrificial galvanic corrosion on the adjacent aluminum structure. Our engineering whitepaper recommends two standardized technical solutions for Bratislava workshops: applying a proprietary anti-seize copper/nickel paste containing solid lubricants, or specifying our factory-applied PVD (Physical Vapor Deposition) ceramic or anodized barrier coatings. This guarantees a lubrication coefficient of friction (μ ≈ 0.12 - 0.15) while eliminating micro-galling during repeated installation cycles.
Slovakia's status as the global leader in per-capita car manufacturing is undergoing a profound structural transition toward high-precision electrification, smart factory integration, and aerospace subcontracting. The Slovak industrial landscape is driving unprecedented demand for specialized hardware manufacturers:
As electric drivetrain assemblies in the Danube valley prioritize extended battery range, every gram shaved from electric motor rotors, inverter brackets, and steering columns matters. Gr5 titanium grub screws offer direct drop-in structural mass savings of 44% with zero loss in clamping integrity.
Slovak procurement managers increasingly bypass high-margin European intermediary traders in favor of direct, verified relationships with tier-1 Chinese factories in Baoji, ensuring full raw-material heat traceability and substantial unit cost optimization.
The expansion of optical sensor manufacturing, medical electronics, and semiconductor packaging facilities in Central Europe requires headless screws down to M2 and M2.5 with tight 6g thread tolerances, requiring Swiss-type multi-axis CNC turning.
Founded in 2015 in Baoji, Shaanxi—China’s Titanium Valley—Zunvo Titanium Products Co., Ltd. operates a specialized precision fastener manufacturing plant spanning 1,000 to 3,000 m². With a skilled technical workforce of 101–200 employees, we integrate raw titanium billet forging, multi-axis Swiss CNC turning, high-speed thread rolling, and in-house surface treatment.
Every batch of titanium grub screws and bolts is melted from certified virgin sponge and accompanied by EN 10204 3.1 Mill Test Certificates verifying tensile, yield, and chemical composition.
From custom CAD step files or technical sketches submitted by Slovak engineering teams, our tooling shop delivers physical CNC prototypes within 72 hours for fit and torque validation.
Rigid quality control utilizing optical profile projectors, thread ring go/no-go gauges, Rockwell C hardness testers, and CMM checks guaranteeing 6g and 6H ISO tolerances.
Fast logistics partnerships with DHL, FedEx, and UPS providing direct door-to-door transit to Bratislava, Košice, and Žilina within 4 to 6 business days with complete customs paperwork.
Essential answers for purchasing agents, design engineers, and technical importers in Slovakia evaluating direct factory supply from China.
Seeking custom Grade 5 titanium grub screws, motorcycle bolts, or precision CNC parts delivered directly to your facility in Bratislava or anywhere across Slovakia? Our engineers review technical drawings within 7 hours.