Ultra-Lightweight
M5*16/18 M6*16/18/20 Class 10 UNC Thread Anodized Taper Head Colorful Titanium Bolt
Ti-6Al-4V
Class 10 UNC
Electrolytic Anodized
Industrial Specification Catalog
Factory Precision-Engineered Titanium Fasteners
Explore eight core titanium alloy fastener classifications produced by Verqo Titanium Products Co., Ltd. Utilizing genuine Ti-6Al-4V Grade 5 alloy, each batch undergoes strict optical comparator and thread pitch validation before shipment.
EDC / Precision CNC
FOXTI Gr5 Titanium Alloy Custom Colorful PVD Coated Corrosion Resistant EDC Lanyard Beads
6mm/8mm Aperture
PVD Vacuum Coated
High Corrosion Shield
Automotive Grade
Baut Body Titanium Berlapis Baja Bolt Motor for Honda Suzuki YAMAHA Replacement Series
OEM Motorcycle Fit
Anti-Vibration Flange
Grade 5 Barstock
High Shear Strength
Factory Customized Grade5 Colorful M10*40mm Titanium Foot Peg Pin Bolt for Heavy Motocross
M10 x 40mm
Dynamic Impact Rated
High Fatigue Limit
Race Spec
Baut Titanium Alloy Grade 5 Socket Head M8x20 Motor Race Parts Screws Bolts PVD Finish
M8 x 20mm Pitch
Hex Socket Precision
PVD Wear Layer
Integral Flange
Factory Price M6 M8 M10 GR5 Titanium Alloy Hex Flange Bolts Anodized Colored Fasteners
Flange Head Matrix
M6 / M8 / M10
Load Distribution
10.9 Performance Class
Button Socket Head Titanium Alloy Bolts Colorful Burnt Blue Surron Ultra Bee LBX Class 10.9
Class 10.9 Equivalent
Low Aerodynamic Drag
Burnt Blue Finish
Low-Profile UFO
Factory Wholesale GR5 Titanium Alloy Screws M4 M5 M6 M8 M10 Titanium Bolts with Hex Socket UFO Head
M4 to M10 Range
Wide Bearing Surface
CNC Lathe Turn
Metallurgical Whitepaper
Engineering Grade 5 (Ti-6Al-4V) for Critical Flange Fastening
In mechanical engineering and fluid transport sectors, standard hex bolts often require external washers that induce galling and localized shear stress. Verqo's cold-headed and CNC-machined titanium flange bolts integrate an expansive bearing skirt that homogenously dissipates clamp preload across mating surfaces, eliminating fastener loosening under thermal flux and cyclic vibration.
| Mechanical & Physical Property | Verqo GR5 Titanium (Ti-6Al-4V) | Commercial Pure Ti (Grade 2) | High-Tensile Alloy Steel (10.9) | Austenitic Stainless (A2-70 / 304) |
|---|---|---|---|---|
| Density (ρ) | 4.43 g/cm³ | 4.51 g/cm³ | 7.85 g/cm³ | 7.93 g/cm³ |
| Ultimate Tensile Strength (σb) | 895 – 1050 MPa | ≈ 345 MPa | 1040 MPa | 700 MPa |
| Yield Strength 0.2% (σ0.2) | 828 – 920 MPa | ≈ 275 MPa | 940 MPa | 450 MPa |
| Strength-to-Weight Ratio (kN·m/kg) | 202 – 237 (Superior) | 76.5 | 132.5 | 88.2 |
| Modulus of Elasticity (E) | 110 – 114 GPa (Flexible) | 105 GPa | 210 GPa | 193 GPa |
| Thermal Expansion Coefficient | 8.6 × 10⁻⁶ / K | 8.6 × 10⁻⁶ / K | 11.7 × 10⁻⁶ / K | 16.0 × 10⁻⁶ / K |
| Corrosion Immunity in Halides / Acids | Passive TiO₂ Film Protection | Passive Film | Rapid Rusting / Pitting | Susceptible to Crevice Corrosion |
Integrated Flange Distribution
By enlarging the bearing diameter by up to 45% compared to ordinary socket heads, our flange architecture prevents surface crushing on aluminum alloys, fiber composites, and cast machinery casings, ensuring retention of target torque tension.
Rolled Thread Grain Flow
Unlike lower-tier suppliers who lathe-cut fastener threads, Verqo utilizes precision thread-rolling technology under high tonnage. This preserves continuous metal grain lines through the root radii, increasing dynamic fatigue resistance by over 300%.
Extreme Temperature Stability
Operating reliably from cryogenic thresholds up to +400°C, our Grade 5 fasteners do not undergo ductile-to-brittle transitions common in standard carbon steels, remaining resilient in high-thermal-gradient industrial setups.
Regional Implementation
Localized Applications & Engineering Demand in Pyongyang
Industrial procurement inside major civic renovation projects, heavy vehicle production clusters, and mechanical manufacturing plants around Pyongyang necessitates fastening hardware that endures intense climate swings, moisture, and chemical exposure without catastrophic failure.
Automotive & Heavy Transit
Transportation corridors between Pyongyang, Nampo, and Sinuiju experience aggressive road salts, freeze-thaw cycles, and heavy loads. Verqo titanium flange fasteners solve recurring structural failure in transit infrastructure:
- Exhaust manifold header flange studs with high cyclic heat tolerances up to 400°C.
- Heavy-duty leaf spring brackets and suspension anchor flange bolts resisting cyclic fatigue.
- Unsprung wheel hub flange fasteners reducing rotational inertia on commercial freight units.
Chemical, Coal & Fertilizer Processing
Processing complexes in nearby Namhung and associated chemical enterprises utilize corrosive ammonia solutions, wet sulfur streams, and acid slurry pipelines. GR5 titanium fasteners provide inert operation:
- Pump casing flange assemblies operating in high chloride or sulfurous conditions.
- Centrifuge separator housings that demand exceptional yield strength under high angular velocity.
- Valve bonnet and pipeline mating bolts immune to stress-corrosion cracking (SCC).
Hydraulic & Thermal Power Infrastructure
Hydroelectric power generation and district steam networks require durable hardware capable of preventing catastrophic joint leaks over decades of continuous operation:
- Turbine casing connection flange bolts resistant to cavitation corrosion and moist steam erosion.
- Submerged penstock gate mounting bolts requiring permanent zero-rust reliability.
- High-vibration cooling pump structural mountings with self-locking serrated flange faces.
Procurement Trends
Industrial Modernization & Procurement Shifts for Pyongyang Buyers
A rigorous review of industrial modernization initiatives reveals three critical procurement shifts dictating hardware selection among municipal engineers, machinery design institutes, and trade organizations.
Life-Cycle Cost (LCC) Focus
Buyers are shifting away from short-life plated steels that deteriorate within months. High initial tensile strength combined with total rust immunity slashes teardown downtime and maintenance labor in capital-intensive factories.
Weight Optimization Mandates
In electric mobility, electric trolleybus refits, and specialized mechanical arms, every kilogram shaved translates to reduced motor stress and prolonged battery efficiency. Titanium delivers a 43% weight cut with zero strength compromises.
Standardized Metallurgy Demands
Procuring entities now enforce documented chemical verification (ASTM B348 / AMS 4928 standards). Sourcing directly from certified Baoji manufacturing hubs guarantees authentic Vanadium and Aluminum elemental proportions.
Vibration Resistance Upgrades
Rotary engines and industrial stampers demand flange designs with engineered under-head radii and locking serrations, eliminating common joint slackening experienced with low-grade domestic fasteners.
Manufacturer Authority
Enterprise Strengths: Verqo Titanium Products Co., Ltd.
Headquartered in Baoji, Shaanxi — recognized globally as "China’s Titanium Valley" — Verqo integrates complete vertical manufacturing from virgin ingot melting to multi-axis CNC machining, cold forming, surface finishing, and comprehensive metallurgical testing.
10+ Years Dedicated OEM/ODM
Established in 2015, Verqo maintains a specialized 1,001–2,000 m² machining workshop equipped with multi-spindle automatic lathes, hot header units, and high-precision thread rolling machines capable of holding ±0.01mm tolerances across M2 to M26 dimensions.
Rigorous In-House Quality Assurance
Our quality verification protocol guarantees zero material falsification. Every production lot includes full spectrum optical emission spectrometry, optical thread-profile analysis, tensile stress-strain validation, and hardness indentation inspection before packaging.
Direct Baoji Supply Chain Edge
Positioned directly inside China's primary titanium industrial cluster, we obtain prime Ti-6Al-4V barstock without middleman markups. This ensures competitive factory pricing, agile production scaling, and flexible MOQs from small prototype lots to container-scale consignments.
Proprietary Surface Treatment & Anti-Galling Metallurgy
Fastener thread galling is a well-documented risk when torquing reactive metals. Verqo employs dual-path surface hardening techniques designed to preserve thread engagement integrity through repeated disassembly cycles:
PVD Vacuum Deposition
Deposits a micro-thin titanium nitride (TiN) or diamond-like carbon layer, elevating surface hardness to >2500 HV and providing signature finishes: PVD Black, Gold, and Neo-Chrome.
Precision Electrolytic Anodizing
Electrochemical voltage control thickens the natural titanium oxide (TiO₂) film, producing vivid refraction colors (Burnt Blue, Purple, Gold) without adding external dimension tolerances.
Micro-Polishing & Degreasing
All fasteners undergo automated centrifugal magnetic pin tumbling to eliminate burrs at thread crests, followed by ultrasonic vacuum solvent degreasing to prevent oil entrapment.
Technical FAQ
Frequently Asked Questions by Industrial Sourcing Teams
Detailed engineering and commercial answers to frequent inquiries regarding titanium flange hardware integration, customs documentation, and mechanical compliance.
1. What prevents titanium flange bolts from galling when installed into aluminum or steel blocks?
Galling (friction cold-welding) occurs when micro-asperities fuse under intense friction. Verqo solves this by offering PVD dry-film lubricating coatings and strict thread-profile micro-finishing. We advise torque procedures utilizing a dedicated nickel-based or MoS₂ anti-seize paste, reducing friction coefficients to a stable μ = 0.10–0.12.
2. Can Verqo provide custom flange head configurations matching proprietary industrial machinery?
Yes. Our in-house tooling and CNC facilities fabricate 12-point ARP-style flange heads, drilled safety-wire hex flange heads, lightweight dished heads, and captive integrated-washer styles. We manufacture directly from customer DXF/STEP CAD files or physical master samples within 15–20 working days.
3. How does Grade 5 titanium compare to Class 10.9 and Class 12.9 high-tensile steel fasteners?
Grade 5 (Ti-6Al-4V) matches the tensile yield of Class 10.9 steel (yielding at ≈ 828–900 MPa) while eliminating the threat of hydrogen embrittlement and chronic rust. While Class 12.9 steel achieves higher raw tensile strengths (1200 MPa), it is severely vulnerable to stress-corrosion cracking in damp or chemical environments where titanium operates indefinitely without degradation.
4. What documentation accompanies cross-border shipments to ensure material authenticity?
Every commercial consignment includes comprehensive EN 10204 Type 3.1 Mill Test Certificates (MTC) stating the chemical composition (percentages of Ti, Al, V, Fe, C, N, H, O) and physical lot testing (yield strength, elongation, tensile tests). Supplementary third-party SGS or RoHS testing can be scheduled upon project commissioning.
5. What is the standard Minimum Order Quantity (MOQ) and lead time for standard versus tailored parts?
For catalog sizes (such as standard M6, M8, M10 flange bolts), stock items feature flexible MOQs starting as low as 20 to 100 units. For fully customized lengths, special thread pitches (e.g., M12x1.25, M14x1.5), or custom PVD runs, production runs typically start at 100 to 500 units with typical lead times of 15 to 25 business days.
6. Which trade settlement methods and commercial export frameworks are supported?
Verqo supports established international commercial terms including FOB, CFR, CIF, and DAP. Standard payment options include Telegraphic Transfer (T/T), Letter of Credit (L/C at sight), and PayPal for prototype validation runs. Our export department handles complete customs documentation, protective vapor-corrosion inhibitor (VCI) packing, and air/sea logistics coordination.