Stem & Cockpit
Titanium M5 Bolt with Washer Stem Screw (Burnt Blue, M5x16mm)
- Material: Gr5 Ti-6Al-4V
- Thread: M5 × 0.8mm Pitch
- Yield Strength: 880 MPa
High-Performance Fasteners
Featured Titanium Racing Hardware
Precision CNC-turned and hot-forged Grade 5 (Ti-6Al-4V) components designed to eliminate unsprung rotational mass, withstand chloride attack, and resist thermal distortion.
Wheel Hub Hubs
Titanium Alloy Gr5 M12 M14-1.5x30 Hex Lug Bolts Plain Finish Class 8.8 High Strength
- Standard: Class 8.8 / 10.9 Eq.
- Spec: M12 / M14 × 1.5
- Application: Automotive Track
Braking Assemblies
Titanium Bolt M8*20mm 25mm Motorcycle Rear Brake Rotor Screw Burnt Blue
- Profile: Low Profile Torx/Hex
- Thread: M8 × 1.25 Rolled
- Finish: PVD Burnt Blue
Chassis Dress-Up
Titanium Finish Bolt M6x12 16 20 25 30 35mm Titanium Screw for Bicycle Motorcycle Car Modifications Burnt Blue
- Range: M6 × 12mm to 35mm
- Tensile: 950 MPa
- Use: Fairing / Engine Bay
Flange Fasteners
ZFTI Class 8.8 Gr5 Titanium Flange Bolt Anodized PVD Hex Head UNF Thread CNC Machined Motorcycle Custom Manufacturer
- Machining: 5-Axis CNC Turned
- Thread: Metric & UNF Pitch
- Coating: PVD Vacuum Nitride
DIN Standards
DIN912 M6 Burnt Blue Titanium Socket Head Cap Screw for EBike GR5 Titanium Alloy Titanium Bolts
- Standard: DIN 912 / ISO 4762
- Drive: Internal Hex Socket
- Corrosion: Salt Spray >1000h
OEM Industrial
ZFTI High Strength GR5 Plain Finish Titanium Flange Bolt M4-M10 CNC Precision Manufactured ISO 9001 Certified
- Certification: ISO 9001:2015
- Size Range: M4 to M10 Stock
- Quality: Eddy Current Inspected
Exhaust Studs
Silver Color M8 M10 Car Exhaust Pipe GR5 Sets Bolt Gr.5 Titanium Alloy Ti-6Al-4V Exhaust Intake Manifold Titanium Stud Kits
- Thermal Limit: Up to 450°C Contin.
- Configuration: Double-Ended Stud + Nut
- Advantage: Zero Thread Seizure
Engineering Whitepaper
The Metallurgical Case for Grade 5 Titanium in Tropical Motorsport Environments
In high-stress motorsport disciplines, mechanical fasteners are consistently subjected to multi-axial dynamic fatigue, high-cycle vibrational resonance, and abrupt thermal shocks. In coastal locations such as Seria, located along the Belait coast of Brunei Darussalam, these mechanical challenges are magnified exponentially by tropical humidity, high ambient heat, and constant exposure to airborne marine chlorides and petroleum-laden particulate matter.
Historically, performance engine builders and race constructors relied on high-tensile carbon steels (such as ISO 898-1 Class 10.9 or 12.9) or precipitation-hardened stainless steels. However, carbon steel fasteners require electroplated zinc or cadmium coatings that rapidly micro-crack under cyclic tensile shear, leaving the underlying steel vulnerable to rapid localized pitting and hydrogen embrittlement. Standard 304 or 316 stainless steels, while corrosion-resistant, exhibit low yield thresholds (205–240 MPa), rendering them structurally unsuitable for critical rotating unsprung mass, brake disc hats, suspension uprights, or cylinder heads.
Grade 5 Titanium (Ti-6Al-4V, UNS R56400), an alpha-beta dual-phase alloy, provides an optimal metallurgical compromise. By dissolving 6% aluminum to stabilize the alpha phase and 4% vanadium to stabilize the beta phase, Ti-6Al-4V achieves a minimum tensile yield strength of 828–880 MPa with a density of merely 4.43 g/cm³. When processed through precision cold heading, CNC profile turning, and rolled-thread forming, Yevzo Grade 5 racing bolts achieve ultimate tensile strengths exceeding 950 to 1,050 MPa, surpassing Grade 8.8 structural steel while reducing component mass by 44%.
Geographic Focus · Belait District
Localized Application Scenarios in Seria
How high-tensile titanium racing fasteners solve unique environmental and mechanical challenges across Seria’s industrial, coastal, and motorsport operational sectors.
Offshore Marine Fast-Craft
Seria’s shoreline serves as an operational base for marine logistics, offshore patrol vessels, and specialized racing tenders operating in the South China Sea. Standard stainless hardware suffers chloride-induced stress corrosion cracking (SCC) under high torsional engine loads. Yevzo Grade 5 titanium bolts develop an instantaneous, self-healing rutile (TiO₂) oxide passivity layer, providing total immunity to pitting, crevice corrosion, and biofouling in tropical seawater.
Coastal Beach & Jungle Rally Raid
Off-road endurance buggies, modified 4x4 rally vehicles, and quad racers traversing the sandy littoral expanses of the Belait District encounter aggressive silt abrasion coupled with saline humidity. Titanium M8 and M10 flange bolts installed on suspension arms, A-frame knuckles, and shock absorber eyelets maintain their tensile integrity without galling or seizing, enabling rapid pit-lane servicing without sheared bolt heads.
High-Boost Track & Drag Tuning
Motorsport tuning workshops along the Seria–Kuala Belait corridor demand maximum clamping force on aftermarket turbo exhaust manifolds, wastegate housings, and downpipes. Carbon steel studs warp, oxidize, and gall permanently into cast iron or billet aluminum heads after repeated thermal cycles past 400°C. Yevzo Ti-6Al-4V double-ended exhaust stud kits maintain stable thermal expansion coefficients, stopping exhaust gas blow-by while allowing effortless disassembly.
Comparative Metallurgy
Fastener Material Performance Matrix
Data verified against ASTM B348 (Grade 5 Titanium Bar), ISO 898-1 (Mechanical Properties of Carbon & Alloy Steel), and ASTM A276 (Stainless Steel Standards).
| Material Specification | Yield Strength (MPa) | Tensile Strength (MPa) | Density (g/cm³) | Strength-to-Weight Ratio | Chloride SCC Resistance | Rotational Inertia Impact |
|---|---|---|---|---|---|---|
| Gr5 Titanium (Ti-6Al-4V) - Yevzo | 880 MPa | 950 - 1050 MPa | 4.43 g/cm³ | 225 kN·m/kg | Immune (TiO₂ Passivated) | −44% Unsprung Mass |
| High-Tensile Steel (Class 10.9) | 940 MPa | 1040 MPa | 7.85 g/cm³ | 132 kN·m/kg | Very Poor (Corrosion Prone) | Standard Baseline |
| Stainless Steel (AISI 316 / A4-80) | 600 MPa | 800 MPa | 8.00 g/cm³ | 100 kN·m/kg | Moderate (Crevice Risk) | +2% Heavier than Steel |
| Aerospace Aluminum (7075-T6) | 503 MPa | 572 MPa | 2.81 g/cm³ | 203 kN·m/kg | Moderate (Pitting Risk) | −64% (Low Shear Strength) |
Note: While 7075-T6 aluminum provides lower mass, its low shear strength and vulnerability to galvanic alkaline oxidation make it unsuitable for high-torque wheel lug bolts or braking assemblies. Grade 5 titanium delivers the optimal balance of tensile strength, fatigue endurance, and chemical inertness.
Market Dynamics
Procurement & Engineering Trends in Seria
Understanding why commercial teams, private racing outfits, and precision machine builders in Seria are migrating toward direct Baoji factory sourcing.
Direct-from-Mill Procurement
Engineering managers in Brunei are moving away from multi-tier regional resellers in Singapore or Kuala Lumpur who introduce high markups and ambiguous raw-material sources. By ordering directly from Yevzo's Baoji facility, Seria clients secure verifiable heat-lot tracking numbers, raw sponge titanium mill test certificates (EN 10204 3.1), and transparent volume tier pricing.
Electric Vehicle & Hybrid Conversions
With modern high-torque EV and performance hybrid builds growing across Southeast Asia, unsprung rotational mass has become a primary bottleneck for acceleration and regenerative braking efficiency. Replacing OEM steel wheel hub bolts and lug nuts with Class 8.8 / 10.9 equivalent Gr5 titanium directly drops wheel rotational inertia, yielding crisper steering turn-in response and extended suspension bush life.
Custom Blueprint Prototyping
Motorsport workshops often require bespoke bolt shanks, stepped collars, hollow-core weight relief holes, and custom thread pitches (such as metric fine M14×1.25 or UNF 1/2"-20). Yevzo offers rapid CNC turnaround directly from customer CAD files (STEP/IGES/DWG), producing tailor-made titanium hardware runs with low minimum order quantities.
Manufacturing Excellence
Why Engineering Teams Partner with Yevzo
Operating directly from Baoji High-Tech Development Zone—China’s Titanium Valley—since 2013.
Rolled vs. Cut Threads
Unlike small job shops that single-point turn threads on a lathe—which severs the grain structure of the titanium bar—Yevzo employs hydraulic circular thread-rolling dies. The thread rolling process plastically deforms the titanium alloy, maintaining continuous grain flow along the root and crest radii. This process increases fatigue cycle life by up to 300% under severe motorsport vibration.
Advanced PVD & Anodizing
We operate in-house vacuum PVD (Physical Vapor Deposition) coating chambers and electrochemical anodization lines. Whether requiring Burnt Blue, Titanium Gold (TiN), Stealth Black (Diamond-Like Carbon / PVD DLC), or deep Purple, our finishes are chemically bonded oxide transformations that add zero thread pitch buildup, guaranteeing seamless standard gauge fitment.
Rigorous Metrology & QA
Every production batch undergoes comprehensive dimensional verification using coordinate measuring machines (CMM), optical shadowgraphs for thread flank angles, Eddy Current crack testing, and chemical composition analysis via optical emission spectrometers to verify vanadium and aluminum percentages per ASTM B348.
Procurement Clarity
Frequently Asked Questions for Buyers in Seria
Comprehensive engineering and logistical responses addressing trade, customs, and technical assembly concerns.
How do you prevent thread galling when installing titanium racing screws into aluminum or magnesium hubs?
Thread galling (cold welding) occurs when micro-asperities on titanium threads shear against soft aluminum or magnesium internal threads under friction without lubrication. To completely eliminate galling:
1. Always apply a high-pressure titanium-formulated anti-seize paste (containing molybdenum disulfide MoS₂ or copper graphite particles) prior to engagement.
2. Reduce standard steel dry torque figures by approximately 15% to 20% to account for the reduced friction coefficient of lubricated titanium.
3. Where direct immersion in saltwater occurs (such as coastal marine craft in Seria), install passivated titanium washers or PTFE/nylon non-conductive barriers to isolate titanium from raw 6061-T6 aluminum, preventing bimetallic galvanic cell formation.
1. Always apply a high-pressure titanium-formulated anti-seize paste (containing molybdenum disulfide MoS₂ or copper graphite particles) prior to engagement.
2. Reduce standard steel dry torque figures by approximately 15% to 20% to account for the reduced friction coefficient of lubricated titanium.
3. Where direct immersion in saltwater occurs (such as coastal marine craft in Seria), install passivated titanium washers or PTFE/nylon non-conductive barriers to isolate titanium from raw 6061-T6 aluminum, preventing bimetallic galvanic cell formation.
What are the freight routes and typical transit times from your Baoji factory to Seria, Brunei?
We offer complete DDP (Delivered Duty Paid), CIF, and FOB terms for shipments destined for the Belait District. For urgent racing teams and rapid prototype batches (10 to 500 pcs), express air freight (via DHL, FedEx, or SF Express International) delivers directly to your workshop in Seria within 4 to 7 business days via Bandar Seri Begawan International Airport. For consolidated pallet orders and industrial bulk fasteners, sea freight operates through Muara Port, typically requiring 14 to 20 days door-to-door, inclusive of Royal Customs and Excise Department documentation handling.
Can Yevzo manufacture racing screws according to non-standard bespoke CAD blueprints or sample parts?
Yes. In addition to manufacturing standardized fasteners conforming to ISO 4014, ISO 4017, DIN 912, DIN 6921, and DIN 6923, more than 40% of our production volume consists of custom-engineered OEM/ODM parts. Customers in Seria can provide 2D mechanical drawings (PDF with GD&T tolerances) or 3D CAD files (STEP, IGES, SolidWorks, or DWG). Our engineering department conducts a thorough Design for Manufacturability (DFM) review, inspecting tool clearance, thread relief, and head fillet radii before issuing a full quote within 24 hours.
How does Grade 5 (Ti-6Al-4V) compare with Grade 2 Commercial Pure (CP) titanium for racing use?
Grade 2 is unalloyed commercially pure titanium with a minimum tensile yield strength of roughly 275–345 MPa. While Grade 2 offers exceptional formability and chemical corrosion resistance—making it ideal for exhaust tailpipes, intercooler piping, or marine fluid tanks—it lacks the sheer tensile yield required for structural joint retention. Grade 5 (Ti-6Al-4V) is a heat-treatable alpha-beta alloy with yield strength exceeding 828–880 MPa and tensile strength over 950 MPa. In high-vibration racing applications (brake calipers, suspension mounts, wheel lug bolts, and cylinder head studs), only Grade 5 provides the necessary cyclic fatigue endurance and load-bearing margins.
What testing documentation and mill certificates accompany export shipments?
Every shipment dispatched from our Baoji facility is accompanied by full quality documentation. This includes an EN 10204 3.1 Inspection Certificate detailing the chemical composition (Titanium balance, Aluminum 5.5–6.75%, Vanadium 3.5–4.5%, Iron <0.40%, Oxygen <0.20%) and mechanical properties (tensile strength, yield strength, percentage elongation). On request, we provide third-party metallurgical lab test reports, dimensional inspection records, and salt spray test certifications verifying over 1,000 hours of corrosion-free performance.
What is the Minimum Order Quantity (MOQ) for custom-anodized or PVD-coated racing bolts?
For standard catalog racing bolts (e.g., M5 stem bolts, M6 body modification screws, M8 rotor bolts, and M12/M14 lug bolts), our MOQ starts at just 20 to 50 pieces per specification, allowing workshop owners and private race teams to order exact kit sizes without surplus inventory. For bespoke custom CNC designs requiring specialized tooling or custom thread rolling dies, production MOQs typically range from 100 to 200 pieces depending on part complexity and material diameter.
Ready to Upgrade Your Motorsport Hardware? Talk Directly to Baoji Engineers
Whether you require standard Grade 5 racing bolts for off-road rallies in Seria or precision custom CNC components machined to your exact CAD tolerances, Yevzo provides factory-direct consistency, certified raw materials, and rapid worldwide dispatch.
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