2013
Established in Baoji Valley
100+
Multi-Axis CNC Units
895+ MPa
Gr5 Tensile Strength
5.0 / 5.0
Global Tier-1 Buyer Rating
Engineered Titanium Fastener Catalogue
Export-grade button head, socket, and specialized bolts manufactured in full compliance with ISO, DIN, and ASTM specifications.
Titanium Bolts with Flat Head Screws Zinc Finish M1.6 Industrial Grade
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Titanium Finish Bolt M6x12–35mm Modification Screws (Burnt Blue)
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Silver M8/M10 Exhaust Pipe GR5 Titanium Alloy Stud Kits
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Titanium Torx Head Motorcycle Bolt Class 8.8 Gr5 CNC Star Screw
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GR5 Titanium Screws Torx Round Head Bolts Fine Thread Metric
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GR5 Titanium Alloy Anodized Caliper & Rotor Brake Bolts
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DIN912 M6 Burnt Blue Titanium Socket Head Cap Screw for EBike
Product Details →Strategic Engineering White Paper: Titanium Hardware for Pattaya & EEC Marine Hubs
In modern industrial assembly, fastener performance directly dictates structural integrity, dynamic lifespan, and maintenance intervals. For the unique industrial ecosystem of Pattaya and the broader Chonburi–Rayong industrial corridor (Eastern Economic Corridor - EEC), fastening solutions must withstand rigorous demands. From high-vibration racing operations at the Bira Circuit to marine leisure craft moored at the Ocean Marina Yacht Club, standard structural fasteners face significant operational challenges. As China's primary manufacturing exporter based out of Baoji’s Titanium Valley, Yevzo Titanium Metal Co., Ltd. produces Class-A Grade 5 (Ti-6Al-4V) and Grade 2 button head fasteners, engineered specifically to counteract extreme marine humidity, electrolyte exposure, and critical mechanical loads.
1. The Geometry of the Button Head: Fluid Dynamics and Surface Bearing
The button head configuration—characterized by a domed profile, broad bearing face, and countersunk or low-profile drive recess (ISO 7380 / ASME B18.3)—is engineered for specific functional purposes. In high-performance marine watercraft, electric motorbikes, and custom superbike modifications popular along Pattaya's coastal routes, minimizing parasitic air drag and eliminating snag hazards are crucial engineering criteria.
Unlike standard external hex bolts, an ISO 7380 button head bolt disperses clamping stress across an enlarged washer-faced radius, preventing surface gouging on lightweight carbon fiber composite fairings, gel-coated marine fiberglass, and 6061-T6 aluminum brackets. The internal Torx (6-Lobe) or Hexagonal drive broached by Yevzo's multi-axis Swiss CNC lathes guarantees precise cam-out resistance. Our button head profile allows torque application up to 85% of standard hex drive thresholds without compromising the internal socket geometry—an essential factor for field maintenance in motorsport and dockside repair.
| Mechanical & Physical Property | Yevzo Gr5 Titanium (Ti-6Al-4V) | Marine 316 Stainless Steel (A4-70) | Alloy Steel Grade 10.9 (Ref.) |
|---|---|---|---|
| Ultimate Tensile Strength (Rm) | 895 – 1050 MPa | 700 – 800 MPa | 1000 – 1040 MPa |
| Yield Strength (Rp 0.2) | 828 MPa | 450 MPa | 900 MPa |
| Material Density (ρ) | 4.43 g/cm³ | 8.00 g/cm³ | 7.85 g/cm³ |
| Strength-to-Weight Ratio | 214 kN·m/kg | 87.5 kN·m/kg | 119 kN·m/kg |
| Pitting Resistance Equivalent (PREN) | Immune (>65 in Saltwater) | 23 – 25 (Susceptible to crevice pitting) | Negligible (<10, Rapid Oxidization) |
| Modulus of Elasticity (E) | 110 GPa (Superior Damping) | 193 GPa | 210 GPa |
2. Localized Pattaya & EEC Industrial Application Scenarios
Procurement channels in Thailand's Eastern Seaboard demand fasteners that bridge extreme operational gaps:
A. Salt-Mist Marine Rigging & Ocean Marina Maintenance: Pattaya's subtropical maritime atmosphere is saturated with airborne chloride ions, elevated ambient temperatures (exceeding 35°C), and high relative humidity. Under these conditions, standard zinc-plated steels fail within weeks, while 316 stainless steel suffers from localized stress-corrosion cracking (SCC) beneath the head washer face. Yevzo's Ti-6Al-4V button head bolts instantly develop an adherent, inert titanium dioxide (TiO2) passive boundary layer that remains chemically non-reactive against sea mist, splash zones, and saltwater washdowns.
B. Two-Wheel Superbike & Track Modification Culture: Pattaya serves as a central hub for Thailand’s high-displacement superbike and sport-touring market. From suspension linkages to brake caliper banjo mountings, our button head and Torx-head bolts reduce unsprung rotational weight. A complete titanium dress-up and structural overhaul sheds up to 43% of fastener weight compared to OEM steel hardware, reducing gyroscopic resistance during high-speed transitions at the Bira Circuit.
C. EV Conversions and Coastal Infrastructure: As Pattaya accelerates municipal EV adoption (including electric speedboats, tourist shuttles, and electric transport fleets under Chonburi's green initiatives), galvanic insulation and weight optimization become essential. Our PVD-coated and ceramic passivated titanium hardware delivers long service life without contaminating delicate battery enclosure metals.
3. Pattaya Fastener Sourcing Trends: The Shift to Direct Factory Procurement
Historically, hardware retailers and tuning workshops in Pattaya, Bang Lamung, and Laem Chabang depended on secondary trading intermediaries in Bangkok. This convoluted supply chain led to several procurement bottlenecks:
- Uncertain material origins, often confusing commercially pure Grade 2 (unsuitable for load-bearing dynamic points) with high-strength Grade 5 Ti-6Al-4V.
- Inconsistent thread rolling standards, resulting in thread galling during rapid air-tool installation.
- Markups of 200% to 350% across secondary wholesalers in the Chonburi district.
The modern procurement trend among fleet operators, engineering contractors, and tuning workshops in Pattaya is direct cross-border procurement via factory-level agreements with Baoji manufacturing hubs. By partnering directly with Yevzo Titanium, buyers unlock direct factory pricing, traceable ASTM B348 mill test certifications (MTC), and custom CNC prototyping—delivered directly to their workshops via express air freight or Laem Chabang port clearance.
Direct Baoji Source Factory
Situated in China's Titanium Valley since 2013, controlling pure sponge selection, ingots, cold heading, and precision CNC threading with zero intermediary overhead.
Sub-Micron CNC Tolerances
Our workshop houses over 100 high-speed 3-axis, 4-axis, and Swiss-type turning centers holding 6H/6g thread tolerances without burrs or thread crest chatter.
Rigorous Quality Assurance
100% optical and thread pitch gauge inspection. Every shipment includes certified Chemical Composition & Mechanical Tensile Test reports (EN 10204 3.1).
4. Deep Engineering FAQ for Pattaya Procurement Managers
Q1: Why should Pattaya workshops specify Grade 5 (Ti-6Al-4V) instead of Grade 2 for button head bolts?
While Grade 2 is commercially pure and exhibits excellent chemical corrosion resistance, its yield strength (approx. 275 MPa) is insufficient for dynamic load-bearing assemblies. Grade 5 delivers an ultimate tensile strength exceeding 895 MPa, matching or outperforming Class 8.8 and 10.9 steel. For brake calipers, swingarms, and marine rigging under heavy shock loads, Grade 5 is essential to prevent head shearing and fastener elongation.
Q2: How do you prevent thread galling during rapid bolt installation in coastal Thailand?
Titanium alloys form a tenacious natural oxide film that can cause micro-friction welding (galling) when driven dry into threaded aluminum or matching titanium bosses. We recommend utilizing anti-seize paste containing copper, nickel, or molybdenum disulfide (MoS2). Yevzo also offers specialized PVD coatings and micro-arc oxidation treatments that lower thread surface friction coefficients from 0.35 down to 0.12.
Q3: What are the transit durations and customs protocols for shipments from Baoji to Pattaya?
For urgent workshop maintenance and custom projects, we ship via DHL/FedEx air express with direct delivery to Pattaya addresses within 3 to 5 business days. For bulk wholesale distribution orders (50 kg to 5 metric tons), ocean freight routes to Laem Chabang Port typically clear in 10 to 14 days, supported by complete commercial invoices, packing lists, and ASEAN-China FTA documentation (Form E) for preferential import duties.
Q4: Does custom PVD anodizing (Burnt Blue, Gold, Emerald) degrade in intense marine UV light?
No. Unlike organic dye anodizing used on common aluminum, titanium coloration is produced through electro-chemical interference oxidation or Physical Vapor Deposition (PVD). The perceived colors are generated by light refraction across a hardened thin oxide film (30–120 nm thick). It contains zero pigment dyes, making it completely impervious to tropical UV degradation, saltwater bleaching, or solvent degradation.
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