ZFTI Titanium Hex Bolt Full Thread ISO 4018 M8–M16 Plain Finish
- GradeGr5 / Ti-6Al-4V
- Size RangeM8 to M16 (Full Thread)
- ExecutionPrecision CNC Machined
Precision Portfolio
Verified Precision Titanium Fasteners for Japanese Industry
Direct OEM/ODM production from Baoji's Titanium Valley with full mill traceability, conforming to JIS B 1051, ISO 4014/4018, and DIN 912 dimensional controls.
DIN 912 Titanium Hexagon Socket Head Cap Screws (M0.8–M24)
- Strength Equiv.Class 8.8 / 10.9
- Drive GeometryHex Socket / Deep Engagement
- FinishCorrosion-Resistant Plain
Titanium Step Flat Head Disc Brake Screws with Locking Serrations
- ConfigurationHex Step Flat Head
- Anti-VibrationTeeth Underhead Lock
- ApplicationBicycle & Moto Rotor Hubs
Titanium Wheel Lug Bolts M14×1.5 & M12×1.25 for Racing & Tuners
- Seating60° Conical / Ball Seat
- Tensile Capacity≥ 950 MPa (Rolled Threads)
- Weight Saving-44% Unsprung Mass
Motorcycle Brake Disc Bolt M6 × 20mm Precision Gr5 Titanium
- DimensionsM6 × 20mm Step Shank
- Head TypeLow Profile Torx / Hex
- Torque RatingOptimized Shear Strength
Wholesale Gr5 DIN 912 Titanium Hex Socket Bolts (Custom Sizing)
- MaterialTi-6Al-4V ELI / Gr5
- TolerancesISO 965-1 Class 6g
- CustomizationHead Drilled & Hollow Options
M8 Titanium Torx Star Head Bolt Anodized / PVD Nitride Coated
- CoatingPVD Black / Gold / Burnt Blue
- Drive TypeT40 / T45 Torx Star
- DurabilityZero Corrosion Salt Spray > 500h
Motorcycle M8 × 1.25 Step Flat Head Brake Rotor Locking Bolts
- Thread StandardMetric Coarse M8 × 1.25
- Shoulder FitClose Ground Precision Step
- Quality StandardAerospace Ultrasonic Tested Bar
1. Whitepaper: Bridging Baoji Manufacturing Capacity with Tokyo Precision Engineering
Tokyo and the wider Kanto industrial ecosystem—encompassing Kanagawa, Saitama, and Chiba—represent one of the world's most exacting concentrations of precision machinery, robotic automation, advanced transport manufacturing, and medical technology. Sourcing Grade 5 (Ti-6Al-4V) and Grade 2 commercial pure titanium fasteners from Baoji, China's designated "Titanium Valley," enables Japanese engineering procurement managers, trading firms (Shosha), and OEM designers to maintain world-class mechanical thresholds while optimizing Bill-of-Materials (BOM) expenditures by 30% to 55% compared to domestic Japanese small-lot cold headers.
Precision titanium fasteners manufactured by Yevzo Titanium Metal Co., Ltd. originate from vacuum arc remelted (VAR) ingots forged and rolled into ASTM B348 and JIS H 4600 compliant billet stock. Unlike standard commercial steel bolts (such as SS400 or SCM435), titanium fasteners require specialized multi-axis CNC turning, strict thread-rolling die speed calibration to prevent work hardening, and cryogenic coolant circulation to prevent hydrogen embrittlement. As Japanese industrial procurement pivots toward decentralized, resilient supply chains, factory-direct sourcing with rigorous quality documentation provides a strategic hedge against lead-time volatility.
Information Gain Highlight: Titanium exhibits a density of 4.43 g/cm³—approximately 56% that of alloy steel—with a minimum yield strength of 828 MPa in the Grade 5 annealed condition. When integrated into high-speed reciprocating end-effectors in Tokyo electronics factories or unsprung wheel hubs for circuit-tuned vehicles, the resulting mass reduction drastically lowers inertial resistance, motor torque requirements, and vibration harmonics.
2013
Established in Baoji
100+
Advanced CNC Lathes
±0.005mm
Machining Accuracy
5.0 / 5.0
International Buyer Rating
2. Localized Industrial Application Scenarios in Tokyo and the Greater Kanto Metropolis
Procurement intent across Tokyo differs markedly from generic overseas hardware demands. The region's industrial profile requires extreme dimensional consistency, clean packaging, and non-magnetic, corrosion-free attributes. Below are the core industrial nodes where our precision titanium fasteners provide quantifiable operational gains:
Ota-ku & Kawasaki Robotics & AGVs
Autonomous guided vehicles (AGVs), multi-axis SCARA robots, and precision grippers operating in Tokyo wafer cleanrooms demand ultra-low rotational mass. Our DIN 912 titanium socket screws eliminate cyclical inertia, allowing servo drives to operate at higher acceleration curves without overheating.
Next-Gen Automotive & EV Battery Packs
Kanagawa automotive R&D clusters focus aggressively on pack weight reduction. M12 and M14 titanium wheel lug bolts directly cut rotational unsprung mass, improving regenerative braking efficiency, damping response, and road compliance on racing and high-performance passenger platforms.
Tokyo Medical & Laboratory Instrumentation
Biocompatible Grade 2 and Grade 5 ELI fasteners are completely non-magnetic and inert to bodily fluids or aggressive sterilization chemicals. Used widely in MRI diagnostic equipment, surgical robotic arms, and endoscopic imaging fixtures across Tokyo's life science districts.
Semiconductor & Vacuum Chambers
Tokyo Electron and related equipment builders require ultra-high vacuum (UHV) compatible fasteners. Vented titanium hex socket screws eliminate trapped air pockets in tapped holes, preventing virtual leaks during vacuum draw-down down to 10-7 Pa.
Tokyo Bay Maritime & Coastal Infrastructure
Fasteners installed in coastal installations around the Port of Tokyo and Yokohama harbor are subjected to harsh chloride fog. Commercially pure Grade 2 titanium bolts form a self-healing rutile (TiO&sub2;) passivation layer, rendering them entirely immune to saltwater crevice corrosion.
Motorsport Tuning & Superbike Racing
Tokyo's custom motorcycle culture (Roppongi, Akihabara, and Odaiba circuit builders) widely deploys our M8×1.25 and M6×20 brake rotor bolts and titanium wheel lugs. PVD physical vapor deposition in rainbow, burned blue, and black nitride satisfies both aesthetic and thermal demands.
3. Material Comparison: Grade 5 Titanium vs. Japanese Standard SCM435 & SUS304
When engineering mechanical assemblies, direct substitution of steel fasteners with titanium requires structural evaluation of yield point, shear capability, thermal coefficient of expansion, and galvanic compatibility. Below is the empirical benchmark table comparing Baoji-manufactured titanium fasteners with mainstream Japanese industrial fastener alloys:
| Performance Metric | Ti-6Al-4V (Grade 5 / DAT51) | Commercial Pure Ti (Grade 2) | SCM435 Alloy Steel (Class 10.9) | SUS304 Stainless Steel (A2-70) |
|---|---|---|---|---|
| Tensile Strength (Rm) | ≥ 895 – 1,000 MPa | ≥ 345 – 450 MPa | 1,040 – 1,220 MPa | 700 – 800 MPa |
| Yield Strength (Rp0.2) | ≥ 828 MPa | ≥ 275 MPa | ≥ 940 MPa | ≥ 450 MPa |
| Density (ρ) | 4.43 g/cm³ (-44% vs Steel) | 4.51 g/cm³ | 7.85 g/cm³ | 7.93 g/cm³ |
| Modulus of Elasticity (E) | 114 GPa (High Flex Fatigue) | 103 GPa | 210 GPa | 193 GPa |
| Magnetic Permeability (μ) | 1.00005 (Non-Magnetic) | 1.00004 (Non-Magnetic) | Ferromagnetic (> 500) | 1.01 – 1.05 (Slight Cold Work) |
| Seawater Corrosion Rate | < 0.001 mm/year (Immune) | < 0.001 mm/year (Immune) | Severe Pitting (> 0.15 mm/yr) | Susceptible to Crevice Pitting |
| Max Service Temp (°C) | 400°C continuous | 300°C | 350°C | 550°C |
*Data reflects certified testing per ASTM B348, JIS H 4600, and ISO 898-1 standards. Certified Mill Test Certificates (EN 10204 3.1) are issued alongside each production lot dispatched to Japanese ports.
4. Localized Development Trends Shaping Fastener Procurement in Tokyo
Procurement channels in Tokyo are responding to four transformative macro trends that directly influence how non-ferrous fasteners are specified and acquired:
1. The "Green Transformation" (GX) & Lightweighting
Japanese heavy industries are committed to scope-3 emissions curtailment. In commercial aviation, high-speed rail, and commercial electric vehicles, every 100 kg reduced cuts significant operating energy over equipment lifecycle. Titanium's unmatched strength-to-weight ratio makes it the premier fastening metal for sustainable transit.
2. Shift to Near-Source Custom CNC Machining
Japanese engineering offices increasingly avoid maintaining massive physical fastener stockpiles. Just-in-Time (JIT) production models in Tokyo rely on qualified overseas contract manufacturers in Baoji capable of short lead times, small batch turnarounds (starting at 20-50 pcs), and direct CAD-to-part machining.
3. Strict Harmonization of JIS and ISO Standards
Japanese designers are transitioning legacy JIS specifications (such as JIS B 1180, B 1176) to international ISO standards (ISO 4014, ISO 4762). Our CNC tooling is calibrated to machine metric threads under ISO 965-1 Class 6g tolerances, ensuring zero cross-threading or assembly friction in Japanese plants.
4. Demand for Advanced PVD Functional Coatings
Beyond natural silver finishes, Japanese automotive and motorcycle modifiers demand PVD (Physical Vapor Deposition) Titanium Nitride (TiN), Titanium Carbo-Nitride (TiCN), and Diamond-Like Carbon (DLC) treatments for enhanced surface micro-hardness (> 2500 HV) and anti-galling lubrication.
5. Why Yevzo Titanium Metal Co., Ltd. is Tokyo's Preferred Direct Manufacturing Partner
Operating continuously since 2013 from the Honeycomb Industrial Park in Baoji's High-Tech Development Zone, Yevzo combines the cost competitiveness of raw titanium smelting access with aerospace-grade fabrication discipline. We are an audited manufacturer and trading entity verified onsite by global third-party inspection firms.
Raw Material Purity & Traceability
Every batch of Gr2 and Gr5 titanium bar is derived from primary 0A-grade sponge titanium. We perform full optical emission spectrometer (OES) chemical validation and ultrasonic non-destructive flaw detection before a single cut is made on our shop floor.
Advanced CNC Turning & Thread Rolling
Our workshop houses over 100 units of high-precision CNC multi-spindle lathes, 3-axis and 5-axis machining centers, and cold/hot heading equipment. Threads are rolled rather than cut whenever possible, creating uninterrupted grain flow lines for maximum fatigue endurance under cyclical vibration.
Strict Japanese 5S & Inspection Protocols
Every shipment bound for Port of Tokyo (Oi Container Terminal) or Yokohama undergoes rigorous multi-point quality assurance: Keyence optical dimension verification, Mitutoyo thread pitch micrometers, surface roughness testers (Ra ≤ 0.4 μm), and complete lot sampling reports.
Flexible Cross-Border Logistics to Tokyo: We support diverse incoterms including FOB Qingdao/Shanghai, CIF Tokyo/Yokohama, and door-to-door DDP Tokyo via air express (DHL/FedEx, 3-5 business days transit) and consolidated sea freight (7-10 days transit). Multi-currency transactions are accepted in Japanese Yen (JPY), US Dollars (USD), and Euros (EUR).
6. Frequently Asked Questions (FAQ) for Japanese Sourcing Specialists
Practical technical and commercial answers addressing common engineering inquiries from Japanese purchasing divisions:
Can your factory manufacture titanium fasteners conforming to Japanese Industrial Standards (JIS)?
Yes. We routinely manufacture to JIS B 1176 (Hexagon socket head cap screws), JIS B 1180 (Hexagon head bolts), and JIS B 1181 (Hexagon nuts). If your drawings feature specialized Japanese recess types or pitch variations (such as JIS M10 × 1.25 fine thread or custom flange profiles), our engineering team programs CNC tool paths directly from your 2D PDF or 3D STEP files to match drawing specifications precisely.
How do you prevent thread galling (seizure) between titanium bolts and matching threads?
Titanium has a natural tendency to cold-weld or gall under high friction when assembled dry against another titanium or stainless steel component. We recommend applying an anti-seize compound containing molybdenum disulfide (MoS&sub2;) or nickel paste prior to torque loading. Furthermore, our rolled and polished threads feature ultra-low surface roughness (Ra ≤ 0.4 μm), substantially reducing the friction coefficient. Optional PVD coatings or micro-arc oxidation treatments can also be applied to increase surface hardness and eliminate galling tendencies.
What documentation is provided to satisfy Japanese corporate compliance (RoHS, REACH, Mill Sheets)?
Every shipment destined for Tokyo or Yokohama is accompanied by an authentic Mill Test Certificate conforming to EN 10204 Type 3.1. This certificate details heat number traceability, exact chemical composition (C, O, N, H, Fe, Al, V content), and mechanical tensile/yield test results. In addition, our titanium fasteners are fully certified compliant with EU RoHS 3 (Directive 2015/863) and REACH regulations, containing zero restricted substances or conflict minerals.
What are the typical transit times and customs procedures for shipments entering Tokyo?
For urgent prototypes and small production batches (under 100 kg), we utilize express air cargo (DHL, FedEx, SF Express), delivering directly to Tokyo addresses within 3 to 5 business days. For volume container shipments, vessels depart directly from Qingdao or Shanghai to Tokyo Port or Yokohama Port with an ocean transit time of just 3 to 5 days, totaling roughly 8 to 12 days including customs clearance and inland trucking. Under DDP (Delivered Duty Paid) terms, Yevzo handles all Japanese customs clearance, Japanese Consumption Tax (JCT), and local delivery.
How do we calculate proper tightening torque for Grade 5 titanium bolts compared to Grade 8.8 / 10.9 steel?
Because titanium's elastic modulus is roughly half that of carbon steel (114 GPa vs 210 GPa), titanium fasteners stretch twice as much at the same applied load, storing higher elastic energy and maintaining clamp load better under vibration. As a general rule of thumb, when using lubricated threads with an anti-seize compound, tightening torque for Ti-6Al-4V should be set at approximately 75% to 85% of an equivalent Grade 8.8 steel bolt, and roughly 65% of a Class 10.9 fastener. Our engineering department can calculate exact preload and torque specifications for your specific joint geometry.
Ready to Accelerate Your Precision Fastener Supply Chain?
Submit your 2D drawings, 3D STEP models, or catalog part inquiries. Our application engineers in Baoji provide complete manufacturing proposals, metallurgical data sheets, and competitive FOB/DDP Tokyo quotations within 24 hours.