Anodized Rainbow GR5 Titanium Flange Allen Bolt
- StandardDIN 6921 / ISO Spec
- MaterialTi-6Al-4V Grade 5
- Tensile Strength950–1050 MPa
- FinishPVD Rainbow / Polished
Factory Precision Portfolio
High-Integrity Titanium Fastener Series
Direct from Baoji Titanium Valley: Certified cold-forged and precision 5-axis CNC-machined Grade 5 & Grade 2 cap screws designed for extreme shear, cyclic vibration, and hyper-corrosive operating conditions.
CNC Full-Thread Titanium Hex Bolt (ISO 4018)
- SizesM8, M10, M12, M14, M16
- MaterialGr2 / Gr5 Annealed Bar
- Thread Class6g Precision Rolled
- Process5-Axis Turn-Milling
GR5 M6 Titanium Umbrella Head Modification Bolts
- Drive StyleHex Socket / Torx T30
- ApplicationMotorcycle & Bicycle Fairings
- DimensionsM6 x 15mm – M6 x 35mm
- Corrosion ProofASTM B117 1000h Salt Spray
Titanium M5 Stem Bolt with Integrated Washer
- Thread SizeM5 x 16mm / M5 x 18mm
- Color OptionBurnt Blue Anodized
- Weight Savings44.2% Lower Than Steel
- Washer TypeSelf-Centering Floating Washer
Titanium M8 Rear Brake Rotor Socket Screws
- Shear Strength>550 MPa Constant
- DimensionsM8 x 20mm / 25mm
- Head GeometryLow-Profile Countersunk Socket
- Quality Control100% Optical Dimension Gauging
Class 8.8+ Titanium Alloy Gr5 M12/M14 Lug Bolts
- Thread PitchM12x1.25 / M14x1.5 x 30mm
- Seat Type60-Degree Cone / Conical Seat
- CertificationMill Test Certificate (EN 10204 3.1)
- Load LimitStructural Automotive Safety Rated
CNC Machined Titanium Flange Nuts (DIN 6923)
- Standard SizesM4, M5, M6, M8, M10, M12
- Flange SurfaceSmooth / Serrated Anti-Slip
- Galling PreventionMicro-Polished Thread Flanks
- Thermal ResistanceContinuous Operation to 400°C
Titanium Brake Disc Socket Cap Screw (M6x20)
- Head GeometryCylindrical Socket Cap (DIN 912)
- Vibration SecurityEngineered High Pre-Load Retention
- Net Weight3.4 grams / unit
- Yield Threshold830 MPa Nominal
Metallurgical Whitepaper
Engineering Grade 5 (Ti-6Al-4V) Socket Cap Screws
Why Tier-1 industrial buyers, aerospace assemblers, and racing teams systematically replace high-tensile steel and stainless steel with cold-headed, CNC-machined titanium cap screws.
Exceptional Strength-to-Density Ratio
Titanium Grade 5 delivers a minimum tensile strength of 895–1000 MPa at an ultra-low density of 4.43 g/cm³. This enables a direct 44% reduction in unsprung mass compared to Class 8.8/10.9 alloy steels while preserving higher yield performance under continuous cyclic loading.
Zero Fatigue in Chloride & Galvanic Exposure
Commercially Pure (Grade 2) and Alpha-Beta (Grade 5) titanium generate a self-passivating titanium dioxide (TiO₂) protective film upon atmospheric exposure. This provides immunity against pitting, intergranular attack, and stress-corrosion cracking in marine environments and deicing chemicals.
Rolled Threads vs. Cut Threads
Yevzo executes thread production through precision continuous die-rolling rather than single-point turning whenever dynamic shear is present. Thread rolling preserves uninterrupted grain lines across the root diameter, improving high-cycle fatigue threshold up to 300%.
Cryogenic & High-Thermal Range
Unlike standard carbon steels that transition to brittle behavior in cryogenic ranges, Ti-6Al-4V cap screws retain structural ductility down to −196°C, maintaining tensile integrity and structural elongation in aerospace fuel injection and liquified gas installations.
| Mechanical & Physical Parameter | Ti-6Al-4V (Grade 5 annealed) | Commercial Titanium (Grade 2) | Carbon Steel (Class 8.8 DIN 898-1) | Austenitic Stainless (A2-70 / AISI 304) |
|---|---|---|---|---|
| Nominal Tensile Strength (Rm) | 895 – 1050 MPa | 345 – 450 MPa | 800 – 830 MPa | 700 MPa |
| Proof / Yield Strength (Rp0.2) | 828 MPa min | 275 MPa min | 640 MPa min | 450 MPa min |
| Specific Density (g/cm³) | 4.43 g/cm³ | 4.51 g/cm³ | 7.85 g/cm³ | 7.93 g/cm³ |
| Modulus of Elasticity (GPa) | 110 – 114 GPa | 105 GPa | 205 – 210 GPa | 193 GPa |
| Dynamic Shear Resistance | 550 MPa | 240 MPa | 480 MPa | 390 MPa |
| Salt Fog Endurance (ASTM B117) | Immune (>3,000h) | Immune (>3,000h) | Rusts <48h without plating | Surface rust <240h |
*Comparative reference data compiled from ASTM B348, ISO 898-1, and ISO 3506 fastener standardizations. Verified through raw heat-lot spectroscopic inspection.
Future Sourcing Intelligence
Emerging Procurement Trends for Titanium Cap Screws
Global supply chain shifts, sustainability mandates, and technical demands are reshaping the international titanium fastener export sector through 2026–2030.
1. Electric Vehicle (EV) Unsprung Mass Optimization
With electric platforms requiring aggressive weight-saving to compensate for heavy high-density battery arrays, global automotive OEMs are switching brake caliper, suspension link, and sub-frame fasteners to M8–M14 Grade 5 titanium cap screws. Reducing unsprung rotational weight directly translates to enhanced kilowatt-hour battery range and sharpened driving response.
2. Digital Traceability & EN 10204 3.1 Validation
International procurement policies increasingly restrict generic fasteners without proven origin. Sourcing demand has pivoted toward manufacturing partners integrated within centralized metal hubs such as Baoji, China, where ultrasonic inspection, melt ingot heat chemistry, and tensile certifications are traceable via end-to-end QR code documentation.
3. Specialized PVD & Micro-Hard Anodization
Functional aesthetics and galling reduction drive the surge in Physical Vapor Deposition (PVD) titanium cap screws. Advanced titanium nitriding (TiN) and Diamond-Like Carbon (DLC) films create extreme surface micro-hardness (>2000 HV), preventing thread galling during automated high-speed torque installation in factory production lines.
4. Near-Net-Shape Cold Forging + 5-Axis Turn Hybridization
Historically, low-volume CNC machining from solid titanium bar generated up to 60% material scrap. Modern export facilities utilize high-speed warm/cold heading for cap screw blanks, followed by precise multi-axis CNC finishing. This hybrid method cuts production cycle times by 40% and yields substantial unit-cost savings for high-volume automotive buyers.
Factory Competence
Why Tier-1 Importers Source from Yevzo Titanium
Operating since 2013 inside the Honeycomb Industrial Park in Baoji, Shaanxi, Yevzo Titanium Metal Co., Ltd. combines raw titanium material access with high-precision fabrication.
Immediate Raw Material Ingot Access
Situated in China's "Titanium Valley," we maintain continuous stocks of ASTM B348 certified Grade 1, Grade 2, Grade 5 (Ti-6Al-4V), and Grade 12 titanium bars. This eliminates long supply delays and stabilizes fastener unit pricing against international market volatility.
Over 100 Advanced CNC Machining Units
Our workshop houses high-speed Swiss lathes, 3-axis, 4-axis, and simultaneous 5-axis CNC machining centers, thread-rolling machines, and optical projector sorting equipment. We hit complex socket head geometry, ultra-thin umbrella heads, and custom cross-drilled safety lock-wire holes with ease.
Stringent Multi-Stage Quality Assurance
Every cap screw batch passes through 5 distinct quality gates: raw bar spectroscopic confirmation, rough heading check, optical thread flank inspection, ultrasonic flaw detection, and final go/no-go ring gauge verification. Material Test Reports (MTR) are provided alongside standard shipment manifests.
Comprehensive OEM/ODM Engineering Support
From custom laser branding and buyer part numbering to custom-tailored thread pitches (Metric coarse, fine, UNC, UNF, and BSW), our engineering department turns your CAD/STEP models or prototype samples into volume-production batches within 15 to 25 days.
Global Export Terms & Seamless Financial Settlement
Yevzo exports globally across North America, Northern Europe, East Asia, and Oceania. We support flexible Incoterms including FOB, CIF, CFR, EXW, FCA, and full door-to-door cleared DDP. Buyers can clear transactions in USD, EUR, GBP, JPY, CAD, AUD, and CNY via secure T/T, Irrevocable L/C, PayPal, and trade financing channels.
Procurement Knowledgebase
Frequently Asked Questions on Titanium Cap Screws
Expert answers addressing the mechanical, installation, and procurement questions encountered by global fastener sourcing engineers.
How do I prevent thread galling when installing titanium cap screws?
Titanium features high friction characteristics that lead to microscopic cold welding (galling) under high tightening speeds. Always lubricate threads with an anti-seize compound (such as MoS₂ molybdenum disulfide or copper/nickel paste). Avoid pneumatic impact wrenches; torque fasteners steadily using calibrated hand wrenches to specified values (typically 15–20% lower than corresponding steel fasteners).
What is the standard MOQ for custom CNC titanium cap screws?
For standard stocked items (such as DIN 912 M5, M6, M8 Gr5 screws in natural or burnt blue finishes), our minimum order quantity starts as low as 20 to 50 pieces. Fully customized fasteners made to client prints (custom drive recess, special step shanks, non-standard threading) normally begin at 100 to 200 pieces, with full sample sign-off prior to volume rollout.
How does electrochemical galvanic corrosion affect titanium-aluminum joints?
Titanium is cathodically noble. When directly coupled with aluminum or magnesium alloys in the presence of an electrolyte (like salt water), it can accelerate sacrificial galvanic attack of the lighter base metal. To eliminate this, we supply passivated isolating washers, zinc-nickel barrier coatings, or advise applying dielectric fluoropolymer paste along contact interfaces.
Does anodizing weaken or change the dimensions of titanium cap screw threads?
No. Unlike aluminum anodizing which deposits a thick oxide coating, titanium anodizing is an electrochemical passivation process that creates microscopic oxide interference layers (ranging from 15 to 120 nanometers). It generates vibrant optical colors without altering 6g/6H thread engagement tolerances, maintaining proper fit inside precision tapped holes.
Ready to Upgrade Your Fastener Sourcing to Certified Titanium?
Consult directly with our Baoji manufacturing team. Submit your CAD drawings, required tensile grades, or custom assembly parameters, and receive a comprehensive price proposal and production schedule within 1 business day.