Featured Titanium Industrial Fasteners & Stud Assemblies
Machined directly in our Baoji manufacturing plant and distributed to industrial enterprises across Maribor, Tezno, and Podravska. Certified mechanical properties with full EN 10204 3.1 chemical traceability.
- Material: Ti-6Al-4V Grade 5
- Thread Pitch: M8×1.25 / M10×1.25
- Application: Exhaust / Turbo Manifolds
- Drive Style: Torx Star Hexalobular
- Surface: Physical Vapor Anodized
- Tensile: ≥ 895 - 950 MPa
- Grade: Aerospace Gr5 Titanium
- Standard: DIN 6921 Modified / Low Pro
- Feature: High Fatigue Resistance
- Diameter: M8 Precision Thread
- Shoulder: Precision Stepped Ground
- Corrosion: Immune to Salt & Moisture
- Finish: Mirror Polish / Bright Finish
- Weight: 44% Lighter than Steel
- Tolerance: ISO Metric 6g Fit
- Drive / Seat: Conical / Ball Seat 60°
- Shear Strength: ≥ 520 MPa Dynamic
- Purpose: EV / Race Wheel Rotational Mass
- Standards: DIN 933, DIN 931, DIN 912
- Sizes: M3 up to M24 Stocked
- Supply: Factory Direct Baoji to EU
- Standard: ISO 4018 / DIN 558 Metric
- Machining: Full Thread High Precision
- Testing: 100% Thread Go/No-Go Gauge
Engineering Whitepaper: Precision Titanium Grub Screws (Set Screws) in Advanced Assembly
In precision mechanical engineering, grub screws (frequently designated as socket set screws) serve a critical locking role where external bolt heads are prohibited by clearance limitations, rotational balance prerequisites, or aerodynamic packaging constraints. Operating purely via compressive axial force transmitted across specialized point geometries into an opposing shaft or detent, a titanium grub screw represents one of the most mechanically demanding fastener classes in industrial machinery.
When manufactured from commercially pure titanium (CP Grade 2) or aerospace-grade alpha-beta alloy Ti-6Al-4V (Grade 5 per ASTM B348 / AMS 4928), grub screws achieve exceptional performance metrics. Unlike conventional carbon steel set screws (Property Class 45H) that rapidly oxidize in humid, chemical, or washdown conditions, or 304/316 austenitic stainless steels that suffer from galling and limited torsional yield strengths, Grade 5 titanium offers an extraordinary yield strength of over 828 MPa while trimming 44% of rotational mass.
Our precision manufacturing lines in Baoji employ multi-axis Swiss-type sliding headstock lathes capable of single-setup micro-machining down to M1.6. By applying single-point thread turning or cold-form thread rolling followed by EDM / rotary broached socket forming, we ensure that the internal hexagon (ISO 4026/DIN 913) or Torx socket (ISO 10664) withstands maximum tightening torques without cam-out or internal wall fracture.
Standard Point Configurations: DIN 913, 914, 915 & 916
Selecting the correct contact point geometry is critical to avoiding shaft burring, ensuring torque transfer, and maintaining repeatable re-assembly in high-speed mechanical drives.
DIN 913 / ISO 4026 Flat Point
Features a chamfered flat tip designed for clamping against ground flat shafts without indenting or scarring the mating surface. Ideal for frequent adjustment mechanisms, instrumentation spindles, and encoder rings.
DIN 914 / ISO 4027 Cone Point
A precision 90° or 120° conical pointed tip engineered to penetrate pre-drilled locating recesses or pivot pivots. Yields maximum holding power against axial thrust and torque loads where a positive permanent lock is mandated.
DIN 915 / ISO 4028 Dog Point
Constructed with a cylindrical protrusion (full dog or half dog) that seats inside a keyway, slot, or hollow shaft groove. Allows rotational or linear slide motion while constraining total axial travel or preventing total disassembly.
DIN 916 / ISO 4029 Cup Point
The industry workhorse featuring a cup-shaped concavity with sharp circular biting edges. The rim cuts into softer shaft metals (such as structural brass, aluminium, or unhardened steel) to resist severe shock loads and cyclic reversal.
Material Comparison Matrix for Set Screws
Compare mechanical properties and physical parameters between Yevzo Titanium Grade 5 / Grade 2, Class 45H Alloy Steel, and Grade 316 Stainless Steel fasteners.
| Property Parameter | Ti-6Al-4V (Grade 5) | Commercially Pure Ti (Gr2) | Class 45H Alloy Steel | 316L Stainless Steel |
|---|---|---|---|---|
| Nominal Density | 4.43 g/cm³ | 4.51 g/cm³ | 7.85 g/cm³ | 8.00 g/cm³ |
| Min. Tensile Strength (Rm) | ≥ 895 - 950 MPa | ≥ 345 - 450 MPa | ≥ 450 - 500 MPa | ≥ 500 - 600 MPa |
| Min. Yield Strength (Rp0.2) | ≥ 828 MPa | ≥ 275 MPa | ≥ 380 MPa | ≥ 220 MPa |
| Core Hardness Range | 32 - 38 HRC | 80 - 90 HRB | 45 - 53 HRC | 75 - 95 HRB |
| Magnetic Permeability (μ) | 1.00005 (Non-Magnetic) | 1.00005 (Non-Magnetic) | Ferromagnetic (> 100) | 1.008 (Slight Cold-Work Ferromagnetism) |
| Chloride Pitting Resistance (PREN) | Immune at room / elevated temp | Immune across severe chlorides | Subject to rapid rust / pitting | PREN ≈ 23 - 25 (Pits in sea spray) |
| Modulus of Elasticity (E) | 114 GPa (High flexibility) | 105 GPa | 210 GPa | 193 GPa |
| Typical Operational Temperature | -250°C to +400°C | -200°C to +300°C | -40°C to +150°C | -196°C to +350°C |
Titanium Grub Screws in Maribor's Precision Industries
As Slovenia's secondary manufacturing capital and the hub of the Drava river basin, Maribor integrates aerospace sub-assemblies, automotive components, robotic automation, and advanced tooling.
Electric Drivetrains & Tier-1 Powertrain
Maribor’s Tezno Industrial Zone (Poslovna cona Tezno) and TAM industrial area host sophisticated suppliers to European OEM giants (BMW, Audi, Porsche). In electric vehicle (EV) motor rotors and high-rpm resolvers, titanium grub screws ensure critical shaft balancing and secure magnetic resolver rings without interfering with electromagnetic fields.
Robotic End-Effectors & Automated Cells
Slovenia has one of the highest industrial robot densities per capita in the EU. In robotic welding heads, vacuum pick-and-place grippers, and high-speed pickers assembled in the Podravska tech corridor, our DIN 913 flat point titanium set screws anchor optical laser sensors and miniature pneumatic valves without adding deadweight.
High-Pressure Hydraulic Tooling & Spindles
Regional tooling workshops along the Drava valley fabricate cutting tooling, CNC hydraulic chucks, and high-speed grinding spindles. Ti-6Al-4V DIN 916 cup point grub screws bite into carbide tool holders with zero thermal expansion relaxation, sustaining clamping force even during intense wet-machining thermal cycling.
Chemical, Pharmaceutical & Bio-Processing
With regional manufacturing linked to Slovenia’s global pharmaceutical production (Novartis, Krka) and Maribor’s chemical processing facilities, Grade 2 titanium DIN 913 grub screws secure fluid impellers, metering valves, and sanitary diaphragm pumps exposed to chlorine-rich decontaminants and aggressive acids.
Ultralight Competitive Motorsport & Cycling
Maribor’s world-renowned Pohorje downhill tracks and regional racing workshops demand extreme weight shaving without sacrificing structural integrity. Titanium set screws are used to secure suspension damper valves, brake lever pivot pins, and dropper-post locking collars where steel rusts and aluminium lacks thread shear strength.
Optical Metrology & Semiconductor Tooling
High-precision laboratory devices and coordinate measuring machines (CMM) built in Central Europe require zero residual magnetism. Grade 5 titanium set screws maintain completely non-magnetic behavior (μ ≈ 1.00005), preventing magnetic distortion around sensitive laser encoders, galvanometers, and sensors.
Sourcing Trends Shaping Maribor’s Advanced Manufacturing
Analyzing the macro-economic and engineering forces driving Styrian (Štajerska) and Austrian-Slovenian cross-border manufacturing supply chains in 2025 and beyond.
1. Electrification & Light-Weighting Directives
As the European Union’s Fit-for-55 decarbonization mandates take hold, Maribor’s automotive tier suppliers are systematically auditing fastener weight in sub-assemblies. Shifting from electro-zinc plated alloy steels to titanium saves up to 45% weight per joint, critical for boosting battery range in commercial electric vehicles and urban mobility platforms.
2. Graz-Maribor Cross-Border Economic Corridor
Maribor sits just 60 kilometers south of Graz, Austria—the heart of Magna Steyr and AVL List automotive powerhouses. Slovenian machine shops operating along the A1/E59 highway provide critical contract manufacturing. Direct factory supply of certified titanium grub screws enables Slovenian integrators to bid competitively on high-spec Austrian contracts.
3. Direct Factory Sourcing vs. Multi-Tier Distributors
European fastener traders often impose 300% to 500% markups on specialized titanium set screws while delivering fragmented test certs. Procurement teams in Maribor are bypassing regional distributors to establish direct-to-mill partnerships with Baoji manufacturers, securing heat-number traceability, lower MOQs, and bespoke custom lengths.
Why Engineering Procurement Teams Partner with Yevzo
Founded in 2013 in the epicentre of China's Titanium Valley (Baoji, Shaanxi), Yevzo Titanium Metal Co., Ltd. combines raw ingot quality control with ISO-certified high-precision micro-machining.
Baoji Titanium Valley Origin
Direct access to vacuum arc remelted (VAR) titanium sponge and bar stock conforming strictly to ASTM B348, AMS 4928, and ISO 5832 standards. Zero intermediary scrap contamination or secondary regrind risk.
Precision CNC Swiss Turning
Over 100 dedicated CNC turning centers, sliding headstock lathes, and thread forming units. Capable of maintaining tight ISO 4h6h and 6g thread tolerance classes with flawless concentricity and surface finish below Ra 0.4 μm.
EN 10204 3.1 Traceability
Every shipment to Slovenia arrives accompanied by verified optical emission spectrometer chemical analysis, tensile elongation test curves, hardness reports, and thread gauge visual inspection logs.
Direct DDP Logistics to Maribor
Flexible Incoterms including DDP (Delivered Duty Paid), DAP, CIF, and Express Air Courier via Graz, Ljubljana, or Port of Koper. All import customs clearance and Slovenian VAT handled seamlessly.
Frequently Asked Questions by Maribor Engineers & Buyers
Practical technical answers addressing installation mechanics, thread galling mitigation, European customs clearance, and bespoke drawing-based manufacturing.
How do titanium grub screws prevent thread galling when assembled into aluminium or stainless housings? +
What are the recommended tightening torques for Grade 5 (Ti-6Al-4V) grub screws compared to steel? +
Can Yevzo manufacture custom drawing-based grub screws with non-standard lengths, dog points, or Torx drives? +
What documentation and inspection certificates are included with shipments to Slovenia? +
What are the lead times and shipping routes for delivery to Maribor, Slovenia? +
How does titanium perform against galvanic corrosion when fastened into carbon fibre (CFRP)? +
Ready to Elevate Your Fastener Performance in Maribor?
Connect directly with Yevzo's technical engineering department. Send your CAD drawings, required DIN/ISO standards, thread pitches, quantities, or alloy specifications. We provide complete manufacturing proposals, 3.1 material compliance sheets, and competitive factory-direct pricing within one business day.