Corrosion Proof
ZFTI Class 8.8 Gr5 Titanium Flange Bolt Anodized PVD Hex Head UNF Thread
- Standard: Custom / DIN 6921
- Material: Ti-6Al-4V Grade 5
- Surface: PVD Anodized Multi-Color
- Tensile: ≥ 895 MPa
Precision Catalog Selection
High-Performance Titanium Motorcycle Screws & Fasteners
Direct manufacturer supply from Baoji Titanium Valley. Fully certified Class 8.8 and high-tensile Grade 5 fasteners designed for weight reduction, fatigue resistance, and uncompromised safety in wet coastal environments.
Chassis & Engine
DIN912 Titanium Hexagon Socket Head Cap Screws Class 8.8 CNC Machined (M0.8-M24)
- Standard: DIN 912 / ISO 4762
- Size Range: M0.8 to M24
- Finish: Plain CNC Machined
- Density: 4.43 g/cm³
High Torque
Titanium Torx Head Motorcycle Bolt Class 8.8 Gr5 PVD Coated CNC Star Screw
- Drive Type: Torx Star Drive (T25-T50)
- Application: Brake Rotor & Sprockets
- Coating: Hard Titanium Nitride PVD
- Tolerance: ISO 965-2 6g
Fairing & Body
Anodized High Strength GR5 Titanium Alloy M6*15 Umbrella Head Bolts
- Head Profile: Low Profile Umbrella Domed
- Thread Size: M6 x 15 mm (Fine Pitch)
- Corrosion Rate: 0.00 mm/yr in Salt Fog
- Weight Drop: -44% vs. Steel
Cockpit & Clamp
M5 M6 M8 Wholesale Titanium Alloy Hexagon Head Industrial Grade Bright Bolts
- Sizes: M5, M6, M8 In Stock
- Application: Triple Clamps & Clip-ons
- Machining: Rolled Thread Processing
- Yield Strength: ≥ 828 MPa
Heavy Load
High Quality GR5 Titanium Alloy Socket Head Class 8.8 Wear-Resistant Fasteners
- Category: Socket Head Cap & Nut Kits
- Certification: EN 10204 3.1 Mill Cert
- Temperature: Functional to 400°C
- Feature: Zero Galling Thread Geometry
Hub & Racing
Manufacturer Titanium Lug Wheel Bolts M14x1.5 / M12x1.25 Racing Hardware
- Seat Form: Conical 60° / Ball Seat
- Pitch: M12x1.25 / M14x1.5 Metric
- Purpose: Rotational Inertia Reduction
- Fatigue Cycle: > 2,000,000 Cycles
Precision Metric
GR5 Titanium Screws Torx Round Head Bolts Fine Thread Metric Motorcycles
- Pitch standard: Metric Fine Pitch Available
- Drive: Low-Tolerance Torx T30
- Finish: Mirror Polished / Anodized
- MOQ: Batch Stock 20-50 pcs
Regional Engineering Demands
Why Seattle's Moto Builders Require Ti-6Al-4V Grade 5 Fasteners
Motorcycle fleet operators, custom builders in Ballard and Georgetown, and track day racers at Pacific Raceways encounter extreme mechanical and environmental conditions unmatched elsewhere in North America.
The Puget Sound Microclimate: Confronting Atmospheric Salt & Constant Moisture
Motorcyclists across the Seattle metropolitan area—from the waterfront highways along Elliott Bay to the damp, winding passes of the Cascade Mountains (Snoqualmie and Stevens Pass)—face continuous precipitation and saltwater aerosols. Conventional zinc-plated carbon steel screws degrade within a single Pacific Northwest winter, triggering galvanic freeze within aluminum swingarms, magnesium engine covers, and Brembo caliper mounts.
Yevzo's Grade 5 (Ti-6Al-4V) Titanium Motorcycle Fasteners deliver a naturally reforming titanium dioxide (TiO₂) passivation layer that exhibits total immunity to chloride attack, de-icing brine (calcium chloride applied on Washington State Route 520 and I-90), and acidic rainwater runoff. Our fasteners prevent catastrophic seizing and thread shearing in aluminum engine crankcases.
Furthermore, custom performance workshops throughout King, Pierce, and Snohomish counties demand precise unsprung mass reduction. Transitioning brake caliper bolts, axle pin bolts, and disc rotor hardware to Grade 5 titanium instantly trims 44% of rotational unsprung weight compared to OEM factory bolts, noticeably sharpening turn-in responsiveness along the twisting routes of Chuckanut Drive.
Puget Sound Commuter Durability
Daily commuters along the I-5 corridor endure nine months of relentless moisture. Grade 5 titanium eliminates surface pitting, thread freezing, and rust stains across fairing mounts and suspension links.
Pacific Raceways Unsprung Weight Trimming
For superbike racers competing in WMRRA events, our rolled-thread titanium caliper bolts and wheel axle nuts reduce gyroscope precession, enabling crisper apex transitions at high lean angles.
Aerospace Precision Standard Alignment
Baoji's metallurgical lineage integrates ASTM B348 aerospace bar manufacturing standards. Every bolt batch aligns seamlessly with the exacting aerospace quality baseline established by Seattle's dominant aviation economy.
Comparative Material Metallurgy
Engineering Grade Benchmark: Ti-6Al-4V vs. High-Tensile Steel
Direct laboratory data comparing mechanical yield properties, tensile integrity, and physical mass density between certified Baoji Grade 5 titanium and standard automotive metric class fasteners.
| Mechanical & Physical Property | Yevzo Gr5 Titanium (Ti-6Al-4V) | Standard Grade 2 Pure Ti | OEM Class 8.8 Carbon Steel | Race-Spec Class 10.9 Alloy Steel |
|---|---|---|---|---|
| Ultimate Tensile Strength (Rm) | ≥ 895 – 1050 MPa | ≥ 345 – 450 MPa | 800 MPa | 1040 MPa |
| Yield Proof Strength (Rp0.2) | ≥ 828 – 950 MPa | ≥ 275 MPa | 640 MPa | 940 MPa |
| Volumetric Mass Density | 4.43 g/cm³ (−44% Weight) | 4.51 g/cm³ | 7.85 g/cm³ | 7.85 g/cm³ |
| Modulus of Elasticity (Young's) | 110 GPa (Dampens Vibration) | 105 GPa | 205 GPa | 210 GPa |
| Salt Spray Corrosion Test (ASTM B117) | > 2,500 Hours (Zero Rust) | > 2,500 Hours (Zero Rust) | Red rust after 48 hrs | Red rust after 72 hrs |
| Thermal Expansion Coeff. (20-100°C) | 8.6 × 10⁻⁶ / K (Thermal Stable) | 8.6 × 10⁻⁶ / K | 11.7 × 10⁻⁶ / K | 12.2 × 10⁻⁶ / K |
2013
Established in Baoji Valley
100+
CNC Machining Centers
±0.005mm
Thread Machining Precision
100%
Spectrometer Inspected Raw Rods
Full-Chain Traceability
End-to-End Production Process for Motorcycle Fasteners
From aerospace-certified titanium round bar inventory to finished thread rolling, our Baoji facility implements five rigorous checkpoints to verify fatigue thresholds before Seattle container or air shipments.
1
Bar Stock Validation
Every ASTM B348 Grade 5 rod undergo ultrasonic flaw testing and chemical spectrometer verification for precise Ti-6Al-4V chemical stoichiometry.
2
Hot Forging & CNC
Bolt heads are multi-stage forged for unified grain alignment, followed by multi-axis CNC lathe turning for precision head concentricity.
3
Thread Rolling
Threads are rolled cold rather than cut, ensuring unbroken continuous grain lines that dramatically amplify dynamic tensile fatigue life.
4
Vacuum PVD Finishing
Physical Vapor Deposition (PVD) applies a micro-thin, wear-resistant coating in Burnt Blue, Gold, Jet Black, or Raw Mirror Polish.
5
Gauge & Micro-Inspection
Thread pitch diameters pass optical digital comparators and Go/No-Go thread gauge testing. Packaged with heat-lot tracking numbers.
Procurement Intelligence
Frequently Asked Questions by Pacific Northwest Buyers
Actionable guidance on anti-seize protocols, galvanic insulation, customs dispatch to the Port of Seattle (NWSA), and wholesale order logistics.
How do Seattle riders and technicians prevent galvanic corrosion when installing titanium screws into aluminum crankcases?
While titanium is chemically inert, pairing noble titanium with an electronegative aluminum crankcase in the presence of Seattle rainwater or road salt creates an electrolytic couple. To prevent galvanic reactions and galling during installation:
- Always apply a nickel-based or copper-based synthetic anti-seize paste to the threads prior to torquing.
- When mounting titanium bolts against carbon fiber fairings or bare aluminum lugs, use fluoropolymer or passivated titanium washers as physical isolation barriers.
- Calibrate installation torque downward by approximately 10%–15% compared to dry torque figures to account for lubricant surface lubricity and avoid overtensioning.
What is the door-to-door transit schedule from your Baoji plant to Seattle, WA?
For urgent shop builds, custom racing teams, and prototyping distributors, we offer Express Air Freight (FedEx/DHL/UPS) directly to Seattle-Tacoma International Airport (SEA) within 4 to 7 business days. For bulk production orders, containerized marine shipping enters through the Northwest Seaport Alliance (Port of Seattle / Port of Tacoma) within 18 to 24 calendar days. We support full DDP (Delivered Duty Paid) Incoterms, managing US Customs clearance, tariffs, and inland transport directly to your facility.
Can you machine bespoke titanium hardware to custom 2D/3D CAD drawings for custom motorcycle shops?
Yes. Custom bike fabricators, vintage restoration specialists, and aftermarket suppliers can provide PDF blueprints, STEP, DWG, or IGES files. Our engineering department verifies load parameters, thread pitch compliance (Metric, UNC, UNF, and BSW), and suggests head knurling or lightening pocket details. Sample prototypes can be turned, inspected, and shipped within 10 business days.
Why is Grade 5 (Ti-6Al-4V) mandatory for motorcycle brake and suspension hardware instead of Grade 2?
Commercially Pure Grade 2 titanium possesses an ultimate tensile strength of around 345–450 MPa, suitable only for non-structural cosmetic parts like license plate holders or gauge brackets. Brake caliper mounts, triple-tree pinch bolts, rear sprocket studs, and wheel axles experience violent shear stress and cyclic fatigue loads. Grade 5 is an engineered alpha-beta alloy yielding over 828 MPa, ensuring the mechanical integrity needed to withstand the emergency braking and torque inputs of 1000cc+ motorcycles.
What surface coating withstands the continuous humidity and winter road maintenance of Washington State?
Our PVD (Physical Vapor Deposition) Titanium Nitride and Carbonitride coatings offer 0.00 mm/year degradation in salt-fog tests. Unlike conventional anodized aluminum—which rapidly fades, chips, and corrodes when exposed to magnesium chloride de-icers used by WSDOT—PVD-bonded titanium provides superior surface hardness (exceeding 2200 HV) and permanent color fastness against UV rays, brake fluid, and road grit.
Equip Your Seattle Operation With Certified Titanium Hardware
Connect with our technical sales division to download the complete technical catalog, request mill material test reports (MTR), or submit custom CAD models for prompt wholesale quotes.