Featured Precision Titanium Fasteners & Components
Machined from certified Ti-6Al-4V cold-drawn bar stock. Every batch delivers class-leading shear strength, micro-finished rolled threads, and ultra-durable vacuum PVD finishes for elite bicycle, motorcycle, and automotive builds.
Custom Made Gr5 M3 M4 M5 M6 Colorful Polished Anodized/PVD Finish Grade 10.9/12.9 Titanium Alloy Rc Car Racing Ball Stud
Factory Customized Grade5 Colorful M10*40mm Titanium Foot Peg Pin Bolt for Motorcycle Motocross Honda Yamaha Talaria Segway
Factory Custom M12 M14 M16 M20 M26 Auto Automotive Sump Magnetic Titanium Oil Drain Plug Bolt
GR5 M3x4/6/8/10/12/15mm Anodized Polished Metric High Strength Corrosion Resistant UFO Cone Head Rc Car Model Aircraft Titanium
Customized M10 *1.0/1.25* 19mm Motorcycle Brake Calipers GR5 Titanium Banjo Bolts Baut for Brembo
Grade 10 Anodized M5 M6 Disc Head Step Titanium Alloy Screws for Suzuki Japanese Motorcycle Body Windshield Bolts
Factory Price M6 M8 M10 GR5 Motorcycle Automotive Sprint Midget Car Titanium Alloy Hex Flange Bolts Anodized Colored
Factory Custom Colorful Titanium Paracord Beads EDC Lanyard Beads 6mm Hole PVD Coated Pendant Beads for Knife
Mechanical Superiority of Ti-6Al-4V in High-Torque Bicycle Drivetrains
Why modern 1x12 and 1x13 mountain bike, gravel, and road drivetrains require cold-headed, rolled-thread Grade 5 titanium chainring bolts instead of structural aluminum or standard 10.9 steel hardware.
Microstructural Integrity: Resisting Torsional and Shear Spikes
Modern narrow-wide 1X chainring interfaces experience instantaneous peak torques exceeding 1,200 Newtons during professional standing sprints, steep technical climbs, and aggressive shifting under motor assistance on E-MTBs. Standard 7075-T6 aluminum chainring bolts, while lightweight, possess an ultimate tensile strength of only ~540 MPa and are prone to thread stripping, stress-corrosion cracking, and galvanic bonding inside carbon crank spiders.
Verqo titanium chainring bolts are exclusively hot-forged and precision CNC-finished from vacuum-melted Ti-6Al-4V (Grade 5, UNS R56400). This alpha-beta dual-phase titanium alloy boasts an ultimate tensile strength exceeding 950 MPa and a yield strength over 880 MPa, delivering nearly double the shear capacity of hardened alloy aluminum while shedding 43% of the dead weight compared to alloy steel.
Crucially, titanium exhibits a fatigue limit nearly four times greater than aluminum. When cycling through alternating shear loads caused by cyclic pedal strokes, our bolts maintain elastic recovery without microscopic micro-fissuring or bolt head flaking.
| Material Designation | Tensile Strength (MPa) | Yield Strength (MPa) | Density (g/cm³) | Shear Resistance | Galvanic & Weather Corrosion | Fatigue Endurance (Cycles) |
|---|---|---|---|---|---|---|
| Verqo GR5 (Ti-6Al-4V) Rolled | 950 – 1,050 | 880 – 940 | 4.43 | Class-Leading (High) | Completely Inert (Zero Rust) | > 10,000,000 (Infinite Life) |
| Commercial Pure Ti (Grade 2) | 345 – 420 | 275 – 310 | 4.51 | Poor (Prone to Necking) | Immune | Moderate (~100,000) |
| High-End Aluminum 7075-T6 | 520 – 570 | 460 – 500 | 2.81 | Low (Shears Under Shock) | Moderate (Prone to Pitting) | Definite Limit (< 250,000) |
| Grade 10.9 Carbon / Chromoly Steel | 1,040 | 940 | 7.85 | Very High | Rapid Rust (Oxidizes if Plated) | High (~5,000,000) |
Cold-Rolled Thread Dynamics
Unlike inferior fasteners with lathe-cut threads that sever internal metallic grain flow lines, Verqo utilizes post-heat-treatment cold thread rolling dies. This induces compressive residual surface stress and continuous grain line orientation, increasing dynamic thread fatigue resistance by over 300% and eradicating notch-stress fractures under cyclic pedal cadences.
Hexalobular (Torx T30) Drive
We have eliminated stripped socket heads. Our chainring hardware incorporates precision broached Torx T30 and Hex drives with vertical wall tolerances within 0.015mm. This design optimizes wrench contact angles, distributes radial torque vector forces symmetrically, and allows mechanics to achieve 8–10 N·m tightening torques without head round-out.
Zero Galvanic Reaction with Carbon
When paired directly with lightweight carbon fiber crank spiders, conventional aluminum fasteners provoke galvanic micro-corrosion due to potential differentials. Titanium sits adjacent to carbon on the galvanic series chart, ensuring complete electrochemical neutrality, zero galvanic seizure, and frictionless servicing throughout multi-year racing campaigns.
Precision Manufacturing & Quality Control Systems
From raw ingots smelted in Baoji's industrial cluster to five-axis Swiss-type turning centers, our clean production procedures guarantee micrometric concentricity across high-volume contract orders.
Five-Axis CNC Machining & Micro-Concentricity
Every chainring bolt, nut sleeve, and crank arm spacer manufactured in our facility is processed on synchronized multi-axis CNC machines equipped with real-time laser feedback sensors. We hold critical dimensional tolerances to within ±0.005 mm.
Concentricity between the bolt shank, threaded pitch cylinder, and load-bearing flanged shoulder is verified using optical coordinate measuring machines (CMM). This prevents radial wobble or uneven chainring pitch alignment, ensuring instant chain engagement and zero chain slap under shifting loads.
Furthermore, our countersunk heads are engineered with micro-radiused transitions at the junction of the head and shank. This critical engineering feature eliminates sharp 90-degree internal corners, dispersing localized stress concentrations that are the primary root cause of bolt snapping in competitive cyclocross and downhill racing.
Vacuum PVD (Physical Vapor Deposition) & Anodizing
Surface degradation is non-negotiable for premier brands. Verqo operates automated anodizing baths and advanced cathodic arc Physical Vapor Deposition (PVD) vacuum coating chambers:
1. PVD Multi-Nitride Coatings: Our PVD coatings (Gold TiN, Diamond-Like Carbon DLC Black, and Rainbow TiAlN) deposit a 2–3 micron ceramic film at temperatures of 450°C. This layer reaches a surface micro-hardness of 2,200–2,500 HV, drastically decreasing friction coefficients against tools and preventing rock-strike abrasions.
2. Type II Controlled Anodization: Utilizing precise voltage titration, we produce uniform, radiant oxide layers yielding rich blues, royal purples, burnt copper, and emerald greens. Colors are chemically non-toxic, fade-resistant, and entirely immune to UV bleaching.
Future Procurement & Product Trends (2025–2030)
As cycling drivetrains transition toward higher integration, broader gear ranges, and high-torque mid-motor electric drive units, global component procurement managers must plan their supply chain roadmaps around several pivotal shifts.
Surging E-Bike Torque Thresholds & Heavy-Duty Fasteners
Modern mid-drive electric bike motors commonly generate 85 N·m to 120 N·m of instantaneous torque directly at the bottom bracket spindle. This massive load is transferred directly across the chainring mounting spider. Standard alloy hardware suffers catastrophic shear fatigue in commercial warranty test cycles. Procurement is rapidly pivoting to heavy-duty GR5 titanium chainring bolts with widened M8.5 sleeves and custom shoulder diameters to prevent drive-tab shearing.
Expansion of Gravel & 1X Direct-Mount Spider Interfaces
The worldwide consolidation of 1x12 and 1x13 drivetrains across both gravel and aero-road disciplines has shortened chainstays and altered chainlines. Component makers now require tailored, non-standard bolt shank lengths (e.g., 6.5mm, 7.0mm, and integrated female threaded nuts). OEM bicycle brands are securing long-term supply agreements with flexible CNC manufacturers who can iterate custom CAD drawings within 48 hours without massive stamping die tooling fees.
PVD Micro-Hardness & Anti-Seize Pre-Coatings
Procurement officers increasingly demand factory-prepped fasteners to eliminate assembly-line labor overhead. The market is shifting from bare raw titanium toward pre-applied anti-galling anaerobic microencapsulated adhesives on the threads and micro-thin PVD ceramic coatings that eliminate the requirement for messy anti-seize paste during factory bike building. Verqo is at the forefront of this turnkey pre-applied fastener technology.
B2B Buyer Advisory: Mitigating Titanium Supply Volatility
Titanium sponge commodity prices can fluctuate based on aerospace sector demand. Partnering directly with a factory embedded inside Baoji (China's Titanium Valley) gives enterprise purchasers direct access to domestic smelting clusters, continuous bar stock reserves, and insulated volume pricing models that buffer against global raw material surges.
Why Global Tier-1 Distributors Partner with Verqo
Headquartered in Baoji, Shaanxi — the epicenter of Chinese titanium processing — Verqo Titanium Products Co., Ltd. blends decades of metallurgical metallurgy with modern CNC manufacturing.
Rooted in Baoji: The Hub of Chinese Titanium Metallurgy
Baoji produces over 60% of China's titanium and roughly 20% of the world's commercial titanium supply. Our tactical geographic position gives Verqo unparalleled access to premium grade-5 titanium bar stocks with certified chemical purity (ASTM B348, AMS 4928 specifications).
Our workshop spans 1,001 to 2,000 square meters, staffed by 11 to 50 seasoned technical machinists and metallurgical engineers. Over the past decade, we have honed an end-to-end manufacturing workflow incorporating raw material optical emission spectrometry, rough cutting, multi-axis automated turning, cold thread rolling, vacuum ultrasonic degreasing, PVD coating, and optical laser sorting.
We work intimately with high-end bicycle brands across North America, Germany, the UK, Australia, and Japan, offering flexible MOQs starting from 50 to 100 pieces for bespoke custom prototypes, with volume capacities surpassing 250,000 precision pieces per month.
Request Factory-Direct Pricing & Custom Samples
Send your custom technical drawings or chainring bolt sample specifications to our engineering office. Get a complete quote and DFM feedback within 2 hours.
Frequently Asked Questions for Chainring Bolt Procurement
Everything your purchasing department and technical engineering teams need to know regarding specifications, metallurgical certifications, minimum order quantities, and international delivery terms.
Q What exact titanium alloy grade is used for your chainring bolts?
We use certified Ti-6Al-4V Grade 5 (equivalent to TC4 under Chinese GB standards and UNS R56400 under US ASTM B348 specifications). We never substitute commercially pure Grade 2 or Grade 3 titanium for structural drivetrain bolts, as CP titanium lacks the necessary shear yield strength (yielding at only ~275 MPa vs. >880 MPa for Grade 5). Mill chemical analysis test certificates (MTR) are provided with every delivery lot.
Q What are the standard dimensions for single (1X) and double (2X) chainring bolts?
For single 1X narrow-wide chainrings (SRAM, Shimano, RaceFace, Wolf Tooth interfaces), our standard bolt specs are M8.5 × 0.75 mm thread with a shank length of 4.5 mm to 6.5 mm paired with integrated backing nuts. For 2X double road cranksets requiring pass-through fixation of inner and outer chainrings, we supply longer 8.5 mm to 10.5 mm shank bolts with matching internally threaded female sleeves. Custom shank lengths and direct-mount T25/T30 screw dimensions can be machined to custom OEM drawings.
Q How do you prevent thread galling during installation and torquing?
Titanium has a natural tendency to cold weld or gall under dry high-pressure friction. Verqo mitigates this through three distinct methods: (1) cold-rolled threads which yield a mirror-smooth surface roughness of Ra < 0.4 µm; (2) optional PVD coatings that deposit a ceramic barrier reducing the friction coefficient to below 0.15; and (3) we can pre-apply microencapsulated medium-strength thread-locking compound with built-in anti-seize lubricants, allowing direct out-of-the-box installation at 8–10 N·m without thread binding.
Q What is your Minimum Order Quantity (MOQ) for custom logo and colored bolts?
For standard stock dimensions (polished silver, gold PVD, rainbow oil slick, and DLC black), our MOQ is as flexible as 10 to 20 sets (ideal for boutique frame builders and performance tuning workshops). For fully custom CNC configurations, custom laser-etched brand logos, or specialized PVD color formulations, production runs start at 50 to 100 sets depending on complexity.
Q Are your titanium chainring bolts compatible with electric mountain bikes (E-MTBs)?
Yes. In fact, our Grade 5 chainring bolts are specifically engineered to withstand the heightened torque demands of Shimano STEPS, Bosch Performance Line CX, Brose, and Bafang mid-drive systems. With an ultimate tensile strength exceeding 950 MPa, our bolts withstand the combined torque spikes generated by human pedal input coupled with high-output 750W/90 N·m electric motors.
Q What surface treatment color options do you provide?
We provide two primary surface enhancement processes: (1) Vacuum PVD (Physical Vapor Deposition) producing deep gloss Black (DLC), Bright 24K Gold (TiN), and Multi-Chromatic Oil Slick / Rainbow (TiAlN); and (2) High-Precision Electrolytic Anodization providing Royal Blue, Electric Purple, Burnt Bronze, Green, and Turquoise. PVD is recommended for extreme abrasion resistance, while anodization offers an extensive spectrum of aesthetic matching options.
Q Can you manufacture custom chainring bolts directly from CAD files?
Absolutely. Our engineering workshop works seamlessly with CAD file formats including STEP, STP, IGES, DXF, and solid CAD assemblies. Once received, our Design for Manufacturability (DFM) team confirms tolerances, thread relief profiles, drive depths, and surface finish callouts within 24 hours, followed by rapid sample dispatch via DHL/FedEx in 7–10 days.
Q What B2B international payment and logistics terms do you support?
We support standard international commercial terms including EXW, FOB Qingdao/Shanghai, and DDP/DAP express courier delivery right to your warehouse. Payments can be transacted via Wire Transfer (T/T), Letter of Credit (L/C) for large enterprise container contracts, or PayPal for rapid sample testing authorizations.
The Verqo Titanium Chainring Bolt Procurement Standard
When comparing suppliers in China, make sure your factory satisfies these five non-negotiable technical benchmarks to prevent assembly line failures and costly retail warranty recalls.
1. Rolled vs. Cut Threads
Demand certified cold-thread rolled fasteners. Cut threads remove critical structural material and introduce microscopic stress risers that fracture under high chain tension.
2. Optical Defect Sorting
Ensure your vendor executes 100% automated optical vision inspection on finished lots to identify burrs, micro-cracks, or thread run-out before air freight packing.
3. Spectrometry Verified
Insist on lot-numbered material chemical trace reports verifying 5.5%–6.75% Aluminum and 3.5%–4.5% Vanadium compositions per aerospace Ti-6Al-4V Grade 5 standards.
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