Bike Motorcycle Titanium Bolts Hexagonal Step Flat Head Zinc Finish Teeth Disc Brake
- StandardDIN / Custom ISO
- MaterialGrade 5 Ti-6Al-4V
- DriveHex Stepped Flat
Precision Inventory
High-Performance Titanium Screws & Structural Fasteners
Factory-direct Grade 5 (Ti-6Al-4V) and Grade 2 titanium fasteners engineered to prevent galling, endure galvanic contact, and resist extreme cyclical shear in automotive and electronics assemblies.
Silver Color M8 M10 Car Exhaust Pipe GR5 Sets Bolt Gr.5 Titanium Alloy Ti-6Al-4V Exhaust Intake Manifold Titanium Stud Kits
- Thread PitchM8 / M10 Precision
- Tensile Range950 - 1050 MPa
- ApplicationThermal Exhaust / Turbo
Titanium Alloy Bolts Gr5 Anodized Colored Torx Bolts M4 M5 M6*15 Motorcycle Modified Car Shell Titanium Screws
- DiameterM4 / M5 / M6 Standard
- Head StyleTorx Star Drive
- FinishPVD / Anodized Color
GR5 Titanium Alloy Anodized Brake Bolts for Motorcycle Modified High Performance Class 10.9 & 12.9
- Strength Equiv.ISO Class 10.9 / 12.9
- Yield Rating828 MPa Minimum
- Safety FactorCaliper Retention Critical
Motorcycle Titanium Bolts Hexagonal Step Flat Head Zinc Finish M8 1.25 Teeth Disc Brake
- Pitch SpecM8 × 1.25 Coarse Thread
- Machining5-Axis CNC Precision
- ToleranceISO 965-2 6g Standard
Manufacturer with Nice Surface Titanium Lug Wheel Bolts M14x1.5 for Racing Cars Titanium Wheel Bolt M12 1.25 for Automobile
- Hub ConfigM12×1.25 / M14×1.5
- Seat Type60° Conical / Ball Seat
- Weight Reduction-44% vs. CrMo Steel
High Quality GR5 Titanium Alloy Socket Head Class 8.8 Corrosion-Resistant Wear-Resistant CNC Machined Plain Finish Bolts Nuts
- Drive StyleHexagon Socket Cap
- TreatmentElectrolytic Micro-Polish
- Corrosion ClassC5-M Marine/Chemical
ZFTI Class 8.8 Gr5 Titanium Flange Bolt Anodized PVD Hex Head UNF Thread CNC Machined Motorcycle Custom Manufacturer
- GeometryDIN 6921 Integral Flange
- ThreadingMetric & UNF Unified
- CoatingPhysical Vapor Deposition
Technical Whitepaper
Metallurgical Engineering of Titanium Self-Tapping Fasteners
Self-tapping fasteners operating in advanced substrates must satisfy conflicting mechanical constraints: extreme hardness at the thread-forming crest combined with core ductility to prevent catastrophic fatigue failure under multi-axis dynamic vibration.
Alloy Selection: Ti-6Al-4V vs. CP Grade 2
Grade 5 (Ti-6Al-4V, UNS R56400) features an alpha-beta dual-phase microstructure annealed to deliver over 895 MPa tensile strength and 828 MPa yield stress. For thread-rolling and tapping into ductile matrixes (such as automotive 6000-series aluminum profiles, magnesium battery casings, and carbon-fiber reinforced polyamides), Grade 5 prevents crest flattening. In contrasting sub-assemblies where severe electrochemical exposure takes precedence over shear tension, Commercially Pure Grade 2 (UNS R50400) provides exceptional surface passivation due to its spontaneous TiO₂ boundary layer formation.
Thread Forming vs. Thread Cutting Dynamics
Yevzo manufactures both thread-forming (Type AB, Type F) and thread-cutting (Type 1, Type 23) geometries tailored for Gwangju’s robotic assembly fixtures. Thread-forming configurations utilize precision tri-lobular (Plastite®/Taptite® compatible) profiles that cold-flow target polymers or non-ferrous metals, resulting in zero-debris cleanrooms necessary for photonics and clean battery cell installations. Thread-cutting screws incorporate relief chip cavities to cleanly tap high-durometer composite resin casings without exerting excessive radial burst stresses.
Tribological Galling & PVD Passivation
Because titanium possesses a high coefficient of dry friction, unpassivated threads engaging metal substrates are prone to micro-welding and thread galling during rapid pneumatic assembly. Yevzo mitigates this challenge via vacuum Physical Vapor Deposition (PVD) titanium carbo-nitride (TiCN), diamond-like carbon (DLC), or specialized molybdenum disulfide (MoS₂) bonded lubricants. These coatings stabilize installation torque coefficients (k-factor = 0.12–0.15), ensuring repeatability without relying on wet anti-seize pastes that could contaminate optical sensors.
Localized Applications
Integrated Engineering Solutions for Gwangju Industry
As South Korea’s designated smart mobility cluster and photonics capital, Gwangju Metropolitan City represents specialized fastener procurement ecosystems across Bitgreen, Hanam, and Pyeongdong industrial zones.
Bitgreen National Industrial Complex
EV Battery Enclosures & Inverter Casings
In Gwangju’s high-density electric vehicle battery clusters, Yevzo’s Gr5 titanium self-tapping screws are integrated into battery management system (BMS) sub-modules, liquid-cooling manifold retainers, and die-cast aluminum power distribution enclosures. Their 4.43 g/cm³ density reduces overall curb mass while eliminating the galvanic corrosion typically observed between carbon-steel fasteners and aluminum frames exposed to winter road-salt aerosols.
Hanam & Jinryok Innovation Zones
Automotive Body-in-White & Interior Subframes
Supplying Tier-1 chassis fabricators linked to Gwangju Global Motors (GGM) and adjacent micro-mobility production centers. Our precision Torx-drive self-tapping screws secure structural composite door cassettes, lightweight bumper reinforcements, and telemetry brackets. The high yield strength (828 MPa) exceeds Class 8.8 and rivals Class 10.9 structural steels, safeguarding structural integrity against cyclic fatigue and continuous road impact shock loads.
Buk-gu Photonics Valley & KOPTI Ecosystem
Optical Transceivers & Sensor Assembly
Collaborating with optical component developers centered around the Korea Photonics Technology Institute (KOPTI). Non-magnetic Grade 2 and micro-spec Grade 5 thread-forming screws (M1.6 to M3.0) mount sensitive LiDAR transceivers, infrared cameras, and telecommunication switch arrays. Titanium’s magnetic permeability (μr ≈ 1.00005) ensures zero electromagnetic interference with high-frequency laser signals and PCB RF traces.
Chonnam & Chosun University Medical Clusters
Biocompatible Laboratory Equipment & Robotics
Meeting the cleanliness specifications of Gwangju’s specialized dental, orthopedic research, and surgical robotics hubs. Grade 5 titanium self-tapping fasteners exhibit total cytotoxicity tolerance under ISO 10993 parameters. Used widely to assemble surgical sterilizer trays, robotic arm shell housings, and laboratory diagnostic devices demanding repeated autoclaving and harsh enzyme-detergent washdowns without surface degradation.
Honam High-Speed Rail & Infrastructure Hub
Catenary Sensors & Transportation Hardware
Operating along the Honam KTX logistics axis, Gwangju demands outdoor signaling and track monitoring hardware designed for 25-year service lifetimes. Yevzo fasteners provide impervious resistance to industrial sulfur dioxide emissions, airborne particulate matter, and humidity cycles, drastically lowering trackside inspection and fastener maintenance costs for outdoor wayside electronics.
Strategic Outlook
Macro-Industrial Trends Shaping Gwangju’s Fastener Procurement
Gwangju’s transition toward next-generation mobility and renewable microgrids has transformed industrial hardware procurement from low-cost commodities to mission-critical, lifecycle-optimized components.
Lightweighting Mandates for EV Driving Range
With South Korea’s ambitious carbon-neutral mobility goals, reducing vehicle curb weight by single-digit kilograms directly translates into battery range extensions. Shifting from zinc-plated alloy steels to titanium hardware yields an immediate 43% to 45% mass reduction at every joint location. In multi-cell battery packs requiring hundreds of retaining fasteners, this substitution yields significant mass optimization without sacrificing structural retention.
Automated Multi-Material Assembly Structures
Gwangju’s assembly lines increasingly utilize mixed-material matrices, binding carbon-fiber composites directly to cast aluminum alloys. Standard fasteners induce galvanic corrosion couples when exposed to electrolyte spray. Titanium's open-circuit potential (+0.05V vs. SHE) closely matches noble carbon matrices, preventing interfacial degradation and preserving the structural integrity of composite chassis sections.
Cleanroom Grade Direct-Thread Assemblies
Traditional nut-and-bolt or tapped-hole configurations require threading fluids, manual backing nuts, and cleaning stages that introduce particulate risks in cleanroom optical assembly. The integration of high-precision titanium self-tapping screws streamlines production cycles, allowing high-speed automated feed systems to execute direct thread engagement in sub-second cycles without metallic dust generation.
Engineering Matrix
Mechanical & Physical Comparison: Fastener Materials
Quantitative property metrics demonstrating why Yevzo Grade 5 Titanium outperforms high-tensile carbon steel and austenitic stainless steel in high-stress vibrational applications.
Fastener Material Performance Index (ASTM & ISO Benchmarks)
Certified Lab Data| Mechanical Metric | Gr5 (Ti-6Al-4V) Fastener | Gr2 Commercially Pure Ti | AISI 304 (A2-70) Stainless | Class 10.9 Alloy Steel |
|---|---|---|---|---|
| Tensile Strength (Rm, MPa) | 895 – 1,050 | 345 – 480 | 700 – 800 | 1,000 – 1,040 |
| Yield Strength (Rp0.2, MPa) | 828 – 950 | 275 – 350 | 450 | 900 – 940 |
| Density (g/cm³) | 4.43 | 4.51 | 7.93 | 7.85 |
| Strength-to-Weight (kN·m/kg) | 214 | 88 | 94 | 130 |
| Modulus of Elasticity (GPa) | 114 | 103 | 193 | 210 |
| Corrosion in Salt Spray (Hours) | > 5,000 (Zero Rust) | > 5,000 (Zero Rust) | 500 – 1,000 (Pitting Risk) | 96 – 240 (Plating Dependent) |
| Magnetic Permeability (μr) | 1.00005 (Non-Magnetic) | 1.00005 (Non-Magnetic) | 1.008 (Slightly Magnetic after work) | Ferromagnetic |
Enterprise Capability
Direct from China's Titanium Valley to Gwangju Industrial Complexes
Yevzo Titanium Metal Co., Ltd. has specialized in non-ferrous metal fastening engineering since 2013. Situated in the High-Tech Development Zone of Baoji, Shaanxi—globally recognized as "China’s Titanium Valley"—our facility operates adjacent to primary titanium sponge smelting and vacuum arc remelting (VAR) infrastructure.
This geographic location ensures direct traceability back to primary ingot melt heats (accompanied by certified EN 10204 3.1 chemical composition and tensile mill test reports). With over 100 sets of advanced 3-axis, 4-axis, and 5-axis CNC machining centers, high-speed thread rolling units, and specialized optical sensor screening equipment, Yevzo executes complex OEM/ODM production runs with strict dimensional repeatability.
Every shipment bound for Gwangju, Incheon, or Busan undergoes strict inspection: optical sorting machines verify thread profile pitch diameter, while eddy-current and ultrasonic testers guarantee raw material integrity without internal voids.
2013Founded
100+CNC Centers
1,000+Workforce
5.0Buyer Rating
Procurement Intelligence
Frequently Asked Questions by Gwangju Sourcing Engineers
Technical guidance addressing import clearance, dimensional standards, torque specs, and metallurgical selection for Gwangju procurement teams.
What pilot hole diameters are recommended when tapping Ti-6Al-4V screws into cast aluminum or composite housings?
Because titanium possesses a lower modulus of elasticity (114 GPa) compared to carbon steel (210 GPa), pilot hole sizing must account for spring-back and radial hoop stresses. For thread-forming screws in die-cast aluminum (such as ADC12 or A380 commonly utilized in Gwangju battery enclosures), pilot holes should generally equal 88% to 92% of the screw’s nominal major diameter. For engineering plastics or carbon fiber composites (CFRP), hole diameters between 82% and 85% provide high thread engagement without delaminating resin matrices. Yevzo supplies technical pilot hole tolerance tables customized to your exact mating material grade.
How does Yevzo manage logistics, tariff duties, and DDP shipments into Gwangju?
We provide comprehensive international delivery terms tailored for South Korean industrial customers, including Delivered Duty Paid (DDP Gwangju), CIF Busan Port, and Express Air Cargo (direct to Gwangju Airport or Incheon International Hub within 48 to 72 hours). Under the Regional Comprehensive Economic Partnership (RCEP) and the China-Korea Free Trade Agreement (CKFTA), our operations provide certified Certificates of Origin (Form C/K or RCEP) to enable zero or preferential import tariff clearance directly through Gwangju Customs (광주본부세관).
What are the minimum order quantities (MOQ) and lead times for custom-drawing fasteners?
For standard inventory configurations (metric DIN/ISO sizes from M3 to M10), the MOQ starts at just 20 to 100 pieces for immediate sampling and testing. For custom-engineered self-tapping screws requiring specialized thread profiles, security drive slots (such as Torx Plus® or tamper-proof pins), or tailored shoulder lengths, production runs typically start at 500 to 1,000 units. Rapid prototyping takes 7 to 10 business days from CAD/STEP approval, with mass CNC manufacturing completing within 18 to 25 business days.
How can we prevent galvanic corrosion when fastening titanium into magnesium or aluminum structures in high-humidity settings?
While titanium itself will never suffer pitting or surface corrosion in wet or marine atmospheres, direct electrical contact with more active metals like magnesium (-2.37V) or aluminum (-1.66V) can induce sacrificial galvanic oxidation on the base metal if an electrolyte is present. In Gwangju’s outdoor mobility and transportation assemblies, we recommend utilizing fasteners treated with our organic-inorganic non-conductive barrier coatings, specialized anodizing treatments, or non-conductive PTFE/nylon isolating washers under the bearing flange to isolate electrical continuity.
Can mill test reports (MTR) and non-destructive inspection records be provided with the batch?
Yes. Every production batch is delivered with comprehensive EN 10204 Type 3.1 inspection certification. This documentation details chemical composition analysis via optical emission spectrometry, mechanical tensile and yield testing, Vickers or Rockwell hardness verification, and dimensional optical screening data. Full heat-number lot traceability is retained for 7 years to satisfy the rigorous supply-chain audits of Korean automotive OEMs.