Class 8.8 Equiv
Titanium Alloy Gr5 M12 M14-1.5x30 Hex Lug Bolts Plain Finish Class 8.8 High Strength
- Material: Gr5 Ti-6Al-4V
- Thread: M12 / M14 x 1.5
- Standard: ISO Class 8.8
Engineered Titanium Fastener Solutions
Factory-direct Grade 2 and Grade 5 (Ti-6Al-4V) titanium fasteners fabricated to international DIN, ISO, and UNC/UNF specifications for heavy industries and racing applications.
PVD Anodized
Gr5 Ti 6Al 4V Titanium Alloy Flange Bolts for Motorcycles PVD Anodized M6 M8 M22
- Material: Ti-6Al-4V Alloy
- Treatment: PVD / Anodized
- Sizes: M6, M8, M22
DIN 912
DIN912 M6 Burnt Blue Titanium Socket Head Cap Screw for EBike GR5 Titanium Alloy
- Standard: DIN 912 / ISO 4762
- Application: E-Bikes & Cycling
- Color: Burnt Blue Anodized
UNC Wheels
GR5 Titanium Wheel Lug Bolts Lightweight High Strength Flat Head UNC for Custom Wheels
- Head Style: Flat Head Custom
- Thread Pitch: UNC Imperial Standard
- Tensile: ≥ 895 MPa
CNC Machined
ZFTI Class 8.8 Gr5 Titanium Flange Bolt Anodized PVD Hex Head UNF Thread CNC Machined
- Tolerance: ± 0.02 mm CNC
- Head: Hex Flange
- Thread: UNF Fine Thread
Torx Drive
Titanium Torx Head Motorcycle Bolt Class 8.8 Gr5 PVD Coated CNC Star Screw OEM
- Drive Style: Torx / Star Drive
- Finish: PVD Hard Coating
- Strength: Class 8.8 & Higher
Multi-Length
Titanium Finish Bolt M6x12-35mm Screws for Bicycle, Motorcycle and Car Tuning Burnt Blue
- Length Range: 12 mm to 35 mm
- Diameter: Metric M6
- Resistance: Complete Anti-Rust
Thermal Grade
Silver Color M8 M10 Car Exhaust Pipe GR5 Titanium Stud Kits for Intake Manifolds
- Temperature: Resistant to 400°C+
- Thread Size: M8 / M10 Dual-End
- Yield Point: ≥ 828 MPa
Engineering Superiority: The Titanium Button Head Architecture
In high-vibration fastening environments, traditional hexagonal heads present angular stress concentrators, while counterbore sockets can trap particulate matter and industrial chemicals. The Titanium Button Head Bolt (commonly adhering to ISO 7380 standards) delivers a streamlined, low-profile dome profile that maximizes aerodynamic transition while dispersing tensile forces evenly across its substantial clamping surface.
Manufactured by cold-heading followed by precision CNC lathe post-machining at our Baoji facilities, each button head screw benefits from the superior shear-to-weight performance of Grade 5 (Ti-6Al-4V, Werkstoff 3.7165). Unlike conventional 304 or 316 stainless steel fasteners that gall under high frictional engagement or heavy carbon steel bolts that induce severe unneeded inertia, Grade 5 titanium offers an ultimate tensile strength exceeding 895 MPa with a mass density of merely 4.43 g/cm³ (a 44% weight reduction relative to steel).
| Mechanical & Physical Parameter | Gr5 (Ti-6Al-4V) Alloy | Gr2 Commercially Pure Ti | Stainless Steel (A2-70 / 304) | Carbon Steel (Class 8.8) |
|---|---|---|---|---|
| Density (g/cm³) | 4.43 | 4.51 | 7.90 | 7.85 |
| Yield Strength (MPa) | ≥ 828 | ≥ 275 | 450 | 640 |
| Tensile Strength (MPa) | ≥ 895 | ≥ 345 | 700 | 800 |
| Corrosion Resistance in Cl⁻ Environments | Immune / Passive TiO₂ | Immune / Passive TiO₂ | Pitting Risk | Severe Rust / Requires Plating |
| Thermal Expansion (10⁻⁶/K) | 8.6 | 8.6 | 16.0 | 11.5 |
This thermodynamic stability proves indispensable in assembly joints subjected to cyclic thermal stress, minimizing self-loosening effects without sacrificing clamping pretension.
Targeted Applications in Bosnia and Herzegovina's Industrial Landscape
As Bosnia and Herzegovina accelerates modernization in automotive assembly, hydropower generation, and precision manufacturing across regions like Sarajevo, Zenica, Banja Luka, and Mostar, industrial hardware demands are transitioning toward high-durability, anti-corrosive alternatives.
Hydropower & Fluvial Engineering
Bosnia and Herzegovina possesses dense hydrological networks including the Drina, Neretva, and Vrbas river basins. Run-of-river turbines, water monitoring sensors, and sluice valve control housings utilize our Grade 2 and Grade 5 titanium button head bolts to combat riverbed sediment abrasion and microbially influenced corrosion (MIC) without requiring periodic zinc recoatings.
Automotive Tier Suppliers & Machining
The manufacturing corridors around Sarajevo, Tuzla, and Zenica host growing subcontractors supplying automotive and electrical components to the wider European Union market. Our low-profile button head bolts serve as ultra-clean assembly fasteners for thermal shields, battery brackets in electric vehicle conversions, and precision racing chassis.
Mining, Metallurgy & Chemical Processing
The heavy metallurgy operations in Zenica and bauxite/coal mining facilities throughout the Dinaric Alps generate harsh acidic and sulfurous operating conditions. Standard fasteners experience rapid hydrogen embrittlement. Yevzo's titanium fasteners maintain surface passivation across severe pH variations, reducing structural bolt failures during mission-critical processing.
Industrial Trends: Near-Shoring Alignment & Titanium Adoption in BiH
Procurement teams across Bosnia and Herzegovina are modernizing their supply chains to align with EU circular economy metrics and the strict structural integrity mandates of CE marking. The following strategic trends dominate the local procurement ecosystem:
1. Lifecycle Cost Optimization over Initial Purchase Price: While traditional zinc-plated bolts present lower initial procurement costs, the operational downtime and maintenance hours required to extract seized, corroded fasteners in wet, subterranean, or chemical settings make them significantly more expensive long-term. Industrial operations in Mostar and Banja Luka increasingly adopt titanium button head hardware to achieve a "fit-and-forget" lifecycle spanning 20+ years.
2. Tight Weight Reduction Demands in Custom Transport Machinery: With rising energy costs across the Western Balkans, transport machinery and high-end automotive engineering workshops are aggressively lowering deadweight. Grade 5 titanium fasteners provide the required tensile clamp of Class 8.8 and 10.9 steel with 44% less mass, lowering rotating inertia in drive shafts and wheel hubs.
3. Traceability Demands (MTR per EN 10204 3.1): As Bosnian manufacturing entities expand their direct OEM export relations into Germany, Austria, and Italy, supply contracts demand absolute heat-lot documentation. Yevzo verifies raw materials using optical emission spectrometers and ultrasonic non-destructive testing, guaranteeing complete chemical and mechanical traceability from ingot melting to packed button head fasteners.
Direct-from-Source Factory Advantages: Baoji to Sarajevo
Founded in 2013 in the center of China’s "Titanium Valley" (Baoji, Shaanxi), Yevzo Titanium Metal Co., Ltd. bridges primary titanium metallurgy with advanced multi-axis CNC manufacturing.
Primary Sponge & Bar Proximity
Located at the epicentre of titanium raw material processing, we maintain uninterrupted access to certified ASTM B348 Grade 1, Grade 2, and Grade 5 round stock. This proximity eliminates raw supply intermediaries, providing stable cost metrics and verified ingot provenance for our Bosnian partners.
100+ Precision Machine Fleet
Equipped with 3-axis, 4-axis, and multi-spindle Swiss turning centres, our workshops handle thread rolling and CNC carving with sub-micron repeatable precision. Button head socket geometry (Hex or Torx) is precision-machined to prevent tool slip and stripped sockets under maximum torque rating.
Comprehensive Quality Assurance
Every production batch undergoes strict dimensional verification using optical comparators, thread go/no-go gauges, and ultrasonic defect inspection. We provide complete material chemical composition certificates (EN 10204 3.1) and yield test reports alongside every export crate destined for Bosnia.
Procurement & Engineering FAQ: Bosnia and Herzegovina
Essential technical, logistics, and transactional clarifications for procurement officers and lead design engineers importing industrial titanium fasteners into BiH.
Q1: How does Grade 5 Titanium prevent galling when threaded into aluminium or steel components?
Titanium can exhibit galling under dry sliding friction due to its reactive surface oxide film. When fastening button head bolts into aluminium engine blocks, hydro-turbines, or structural frames, we recommend applying an anti-seize paste (such as nickel-based, moly-disulfide, or copper compounds). For galvanic isolation in marine or conductive fluvial environments, pairing titanium bolts with isolating washers (PTFE or Delrin) prevents galvanic corrosion with adjacent metals.
Q2: What are the standard Incoterms and typical shipping transit times to Bosnia and Herzegovina?
We routinely supply orders under DDP (Delivered Duty Paid), CIF (Sarajevo/Ploče Port), FOB, and FCA. For urgent prototypes and racing assemblies, air courier options (DHL, FedEx, UPS) deliver to Sarajevo, Banja Luka, and Tuzla within 5 to 7 business days. For bulk industrial procurement (several hundred kilograms or metric tons), combined sea/rail routing via the Adriatic Port of Ploče (Croatia) or Bar (Montenegro) provides balanced freight costs with 28 to 35-day turnaround.
Q3: Can Yevzo manufacture custom button head bolts according to specific drawings or CAD models?
Yes. Beyond standard DIN 7380 and ISO 7380 button head cap screws, our OEM/ODM division customizes dome profiles, integrated wide-flange collars, pre-drilled safety lock-wire holes, and specialized drive configurations (e.g., Torx Plus, Security Pin-in-Torx). You can provide your files in STEP, DWG, DXF, or PDF format for review by our engineering team within 24 hours.
Q4: Are PVD coatings and anodized colors purely decorative, or do they offer functional benefits?
While anodized finishes (Gold, Royal Blue, Burnt Rainbow, Purple) are popular for motorcycle and car tuning, our Physical Vapor Deposition (PVD) coatings (Titanium Nitride - TiN, Diamond-Like Carbon - DLC) significantly increase surface hardness up to HV 2500+. This layer reduces the coefficient of friction, mitigates surface scratch wear, and increases galling resistance during repetitive maintenance disassemblies.
Q5: What are the Minimum Order Quantities (MOQ) for catalog items vs. custom CNC dimensions?
For standard stocked metric button head bolts (M3 to M12 in standard lengths), our minimum order quantity starts as low as 20 to 50 pieces, enabling testing and prototyping for regional workshops. For custom CNC components requiring bespoke tool setups or atypical imperial pitches (UNC/UNF), MOQs generally start at 100 to 200 pieces depending on geometry and stock diameter.
Q6: Which currencies and international payment methods does Yevzo accommodate?
To ensure seamless international trade, we accept payment in EUR (€), USD ($), GBP (£), and CHF via Wire Transfer (T/T), Irrevocable Letters of Credit (L/C at sight), PayPal (for sample runs), and Trade Assurance. We provide compliant proforma invoices, commercial invoices, packing lists, and Certificates of Origin (COO) to facilitate smooth customs clearance through the Indirect Taxation Authority (Uprava za indirektno oporezivanje - UIO) of Bosnia and Herzegovina.
Ready to Upgrade Your Fastener Reliability?
Consult directly with our metallurgists and production engineers in Baoji. Send your project parameters, CAD models, or required DIN/ISO button head specifications to receive a factory-direct quote within one business day.
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