Explore our precision-machined titanium fastener portfolio. Each product is fabricated from certified ASTM B348 bar stock under ISO 9001 quality systems, ready for immediate dispatch to engineering operations in Domagnano.
A rigorous metallurgical overview of headless fasteners (grub screws) engineered in Grade 5 Ti-6Al-4V and commercially pure Grade 2 titanium for advanced applications in Domagnano, Republic of San Marino.
Yevzo Titanium Metal Co., Ltd., based in China's metallurgical hub of Baoji, designs and exports titanium set screws fabricated under strict mechanical tolerances according to DIN 913 (ISO 4026 Flat Point), DIN 914 (ISO 4027 Cone Point), DIN 915 (ISO 4028 Dog Point), and DIN 916 (ISO 4029 Cup Point). By utilizing aerospace-certified Grade 5 titanium (Ti-6Al-4V; UNS R56400 / W.Nr. 3.7165), our headless fasteners deliver an exceptional strength-to-weight ratio with a yield strength exceeding 828 MPa, operating reliably in dynamic thermal and chemical environments where conventional fasteners experience stress relaxation or shear deformation.
A primary failure mode of small set screws (sizes ranging from M2.5 up to M12) is internal drive stripping or cam-out under excessive seating torque. Because set screws operate completely recessed within internal threads, the internal hexagonal socket or Torx drive must endure immense torsional shear stresses. Austenitic stainless steels (A2-70, A4-80) possess a relatively low yield strength (~450 MPa) and a strong propensity for thread galling (cold welding). In contrast, Yevzo's cold-headed and CNC finish-machined Grade 5 set screws feature a shear modulus of 43 GPa and a core hardness of Rockwell C 34–38, allowing technicians in Domagnano to torque fasteners to design limits without damaging drive sockets.
Engineered for frequent realignment and adjustment on ground shafts where surface deformation must be strictly avoided. The machined flat face seats squarely against flats on precision motor spindles without indenting the shaft core.
Features a 90° or 120° precision ground cone designed for permanent location. The hardened conical point penetrates pre-drilled dimples on hardened shafts, creating a mechanical interlock capable of holding massive torsional and axial thrust loads.
The industry benchmark for dynamic mechanical assemblies. The sharp, circumferential annular rim digs into shaft surfaces, delivering exceptional resistance to rotational slipping caused by violent angular acceleration or reversing shock loads.
Titanium forms an instantaneous, passivating surface oxide layer (primarily TiO₂) which provides world-class chemical immunity against chlorides and organic acids. However, during high-friction dry engagement between internal and external titanium threads, this thin oxide film can rupture, leading to micro-welding or galling. For Domagnano automated production lines, Yevzo recommends our proprietary physical vapor deposition (PVD) Titanium Nitride (TiN) or Diamond-Like Carbon (DLC) treatments, combined with a high-pressure MoS₂ or nickel-based anti-seize compound. This drops the thread friction coefficient (μ) to 0.10–0.12, guaranteeing repeatable tightening torque and non-destructive service disassembly.
Positioned along the key industrial artery connecting Mount Titano to the Adriatic manufacturing basin, Domagnano hosts sophisticated mechanical workshops, motorsport engineers, and automated machinery fabricators.
Domagnano serves as one of the key economic and manufacturing communities within the Republic of San Marino, situated strategically along the primary transit highway leading to Rimini and the expansive Emilia-Romagna industrial district. Known globally as a core hub of the "Italian Motor Valley" and "Packaging Valley," the regional ecosystem around Domagnano demands high-specification mechanical hardware capable of functioning flawlessly in high-speed, continuous-duty machines.
In this local ecosystem, machine builders and technical specialists rely on high-grade titanium fasteners to solve specific mechanical dilemmas that standard steel alloys simply cannot address:
Local industrial machine fabricators near Domagnano design high-cycle food and pharmaceutical packaging robots. Replacing steel set screws on high-speed rotating cutter shafts and belt pulleys with Grade 5 titanium reduces rotational inertia by 45%, preventing shaft deflection and significantly extending drive motor bearing life.
Benefiting from proximity to world-class circuits like Misano World Circuit Marco Simoncelli, local race preparation teams in Domagnano utilize Yevzo titanium set screws in suspension damping collars, steering collet locking mechanisms, and lightweight brake bias distributors where failure under 200°C+ thermal vibration is unacceptable.
San Marino's specialized optoelectronic and micro-machining enterprises incorporate our miniature DIN 913/916 set screws (M2 to M4) into laser housings, sensor mounts, and CNC toolholders. The non-magnetic properties of Grade 2 and Grade 5 titanium protect sensitive electromagnetic circuits from magnetic interference.
A strategic overview of how technological evolution, regulatory compliance, and total cost of ownership (TCO) models are shifting fastener procurement patterns across the Sammarinese economy.
The manufacturing sector in Domagnano is undergoing an accelerated modernization phase. Traditional procurement models focused solely on upfront per-unit pricing are being phased out in favor of comprehensive Life Cycle Assessments (LCA) and Total Cost of Ownership calculations. When an industrial packaging machine experiences downtime because a corroded or fatigue-fractured steel set screw slipped on an indexing cam, the financial loss in production interruption vastly outweighs any initial hardware savings.
Key procurement trends influencing Domagnano mechanical engineers and purchasing officers include:
| Mechanical Property | Grade 5 Titanium (Ti-6Al-4V) | Grade 2 Titanium (Pure) | Stainless Steel A4-80 (316) | Alloy Steel 45H (DIN 916) |
|---|---|---|---|---|
| Density (g/cm³) | 4.43 (-44% vs steel) | 4.51 (-43% vs steel) | 7.95 | 7.85 |
| Tensile Strength (MPa) | 895 – 1000 | 345 – 450 | 800 | 900 – 1100 |
| Yield Strength (MPa) | 828 – 910 | 275 – 350 | 600 | 800 – 950 |
| Modulus of Elasticity (GPa) | 114 | 103 | 193 | 210 |
| Corrosion in Salt Spray (Hours) | > 3,000 hrs (No rust) | > 3,000 hrs (No rust) | ~ 800 hrs | < 48 hrs (Requires plating) |
| Galling Vulnerability | Moderate (Mitigated via PVD) | Moderate (Mitigated via PVD) | High (Severe micro-welding) | Low |
| Magnetic Permeability (μ) | 1.00005 (Non-magnetic) | 1.00004 (Non-magnetic) | 1.005 – 1.015 (Slight) | Ferromagnetic (Strong) |
Operating since 2013 from Baoji, China's "Titanium Valley," Yevzo Titanium Metal Co., Ltd. combines raw material supremacy with state-of-the-art CNC Swiss machining capabilities.
Our strategic manufacturing base in Fenghuang 3rd Road, High-Tech Zone, Baoji, affords direct access to certified titanium sponge and ASTM B348 round bar. Eliminating middleman markups guarantees consistent metallurgical purity, certified chemical traceability (EN 10204 3.1), and competitive factory-floor pricing.
Producing reliable titanium set screws demands exact concentricity and tight internal hex tolerances (tolerance class ISO 6g for threads; ISO 965-1). Our facility houses multi-axis Swiss-type turning centers and high-speed tapping units capable of machining micro-screws down to M1.6 with clean, burr-free socket geometry.
Every shipment bound for Domagnano undergoes optical profile measurement, thread go/no-go plug testing, Rockwell hardness evaluation, and ultrasonic flaw detection. We verify tensile performance and surface roughness (Ra ≤ 0.4 μm), safeguarding client automated assemblies from thread jamming.
Comprehensive technical and commercial answers tailored to purchasing officers, mechanical designers, and import managers based in the Republic of San Marino.
Submit your technical specifications, 2D/3D CAD models, or immediate replenishment schedule. Our senior metallurgical engineers and export specialists will return a detailed manufacturing quotation, material test certification breakdown, and door-to-door delivery timeline to San Marino within 24 hours.
Connect with our technical team to discuss material grades, DIN/ISO standards, custom drives, and sample shipments.
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