Direct supply from Baoji Titanium Valley with complete metallurgical test certificates (MTC) and expedited air clearance into Ngurah Rai International Airport (DPS) and Benoa Port.
Engineered for lightweight fairing mountings, coastal composite assembly, and flush aerodynamic panels requiring deep Torx anti-cam-out engagement.
Aerospace structural fasteners for race swingarms, custom chassis mounts, and fork bracket clamps widely used across Denpasar moto workshops.
Precision-turned barrel dowels and adjuster components designed for ultra-endurance marine deck furniture, architectural joinery, and rear subframes.
Saltwater-proof mirror-finished flanged fasteners eliminating fuel filler corrosion, caliper oxidization, and coastal pitting.
Decorative, structural sealing nuts offering complete moisture lock and visual distinction for motorcycle hub axles, engine mounts, and exterior structures.
Bespoke 90-degree internal cable route hardware designed to withstand aggressive humidity, sand contamination, and repeated brake tension.
High fatigue-rated fasteners suited for harsh mineral slurries, high-vibration drone arm mounts, and heavy-duty structural joints.
Precision knurled waterproof stem caps providing absolute air chamber protection against tropical road grime, mud, and corrosive saltwater air.
In the island trade topography of Denpasar, Badung Regency, and greater Bali, conventional stainless steel fasteners (specifically AISI 304 and standard 316) repeatedly experience catastrophic pitting corrosion and chloride-induced stress corrosion cracking (SCC). When fasteners are installed flush using 90° or 100° countersunk geometries (ISO 10642 / DIN 7991), capillary moisture entrapment beneath the conical head creates an anaerobic, chloride-dense microenvironment where passivation films on steel break down rapidly.
Our Grade 5 Titanium Countersunk Screws (chemically composed of 6% Aluminum, 4% Vanadium, balance high-purity Titanium) develop an instantaneously self-regenerating Titanium Dioxide (TiO2) rutile oxide layer upon atmospheric or aqueous exposure. This ceramic-grade barrier renders the fastener impervious to coastal seawater, ambient saline mist along Sunset Road, hydraulic oils, and high-temperature brake fluids, maintaining zero microstructural breakdown up to 400°C.
| Mechanical & Physical Property | Gr5 Titanium (Ti-6Al-4V) | 316 Marine Stainless | 10.9 Carbon Alloy Steel | 7075-T6 Billet Aluminum |
|---|---|---|---|---|
| Ultimate Tensile Strength (Rm) | ≥ 895 – 1050 MPa | 580 – 750 MPa | 1040 MPa | 572 MPa |
| Yield Strength (Rp0.2) | ≥ 828 MPa | 220 – 290 MPa | 940 MPa | 503 MPa |
| Volumetric Density | 4.43 g/cm³ | 8.00 g/cm³ | 7.85 g/cm³ | 2.81 g/cm³ |
| Strength-to-Weight Efficiency | 202 kNm/kg | 72.5 kNm/kg | 132 kNm/kg | 203 kNm/kg |
| Marine Crevice Corrosion Resistance | Immune (PREN > 45 Eq.) | Vulnerable in crevices | Severe rust / Rapid failure | Severe pitting / Oxidation |
| Drive Mechanism Integrity | Torx (T20-T40) CNC Milled | Punched Hex / Prone to cam-out | Punched Socket / Strips easily | Low shear endurance |
Furthermore, countersunk geometries demand precise chamfer angles and tightly toleranced shank diameters. Zunvo utilizes multi-axis Japanese CNC Swiss lathes with rolled thread tooling instead of die-cutting. Thread rolling preserves the metallurgical grain flow throughout the root and flank of the screw, delivering a 30% increase in shear fatigue life under severe high-RPM motorcycle harmonic oscillations and maritime cyclic hydrodynamic loads.
Engineered hardware meeting the unique environmental, aesthetic, and performance demands of local manufacturers, workshop artisans, and regional engineering contractors.
Denpasar is the undisputed hub of Indonesian custom motorcycle culture, catering to scramblers, cafe racers, and high-displacement sportbikes. Gr5 countersunk Torx screws provide flush, snag-free mounting on carbon-fiber footpeg heel guards, aerodynamic fairings, brake disc carriers, and sprocket guards where standard bolts interfere with clearance or add unnecessary unsprung weight.
Operating out of Pelabuhan Benoa and Serangan, luxury yacht charters and fast ferries traveling the Lombok Strait demand hardware that withstands hypersaline tropical waters. Our countersunk titanium screws secure teak decking hardware, hydrofoil assemblies, underwater transducer mounts, and polished rub rails with zero risk of brown galvanic rust staining expensive gelcoats or teak.
From Uluwatu to Canggu, cliff-edge architectural villas incorporate frameless structural glass balustrades, anodized louvers, and bespoke teak joinery. Traditional brass or stainless screws seize and stain within 18 months due to onshore salt mist. Titanium countersunk screws guarantee a multi-decade zero-maintenance life cycle, blending seamlessly with minimalist luxury design.
How technological modernization and luxury developments in Bali are driving the transition from legacy marine bronze and stainless to aerospace Grade 5 titanium.
Procurement managers in Bali workshops are actively phasing out Phillips (cross) and soft Hex drives in favor of Torx (T25, T30, T40). Torx sockets eliminate cam-out, permit automated assembly torquing without slippage, and preserve decorative PVD finishes during high-torque applications.
Denpasar's bespoke vehicle builders and resort developers seek specialized PVD colors (Burnt Blue, Rainbow, DLC Gloss Black, and Champagne Gold). These electrochemical treatments add substantial Vickers surface hardness (> 2500 HV for PVD) while preventing tool-induced scratches.
High markup structures from Jakarta distributors have prompted Bali-based engineering shops and moto ateliers to partner directly with onsite-verified manufacturers in Baoji. Direct shipping via air express provides custom drawing fulfillment within 10-15 business days.
Founded in 2015, Zunvo Titanium Products Co., Ltd. operates state-of-the-art production floors covering 1,000–3,000 m² in Shiling Road Industrial Park, Baoji, Shaanxi, China. We supply high-integrity Grade 5 fasteners to enterprise clients across North America, Europe, and Southeast Asia, with a customer reorder rate of over 66%.
Factory Facility · Baoji
CNC Machining Centers
Finished Stock Warehouse
100% Quality Inspection
Essential guidance covering international shipping, import customs handling, galling prevention, and mechanical installation best practices.
We provide comprehensive door-to-door (DDP) or air express options (DHL, FedEx, UPS) directly to Denpasar and surrounding regencies. Shipments include accurate export packing lists, commercial invoices, and harmonized system (HS) codes (7318.15 / 8108.90) to streamline clearance through Ngurah Rai Customs.
Standard marine-grade stainless steels rely on chromium oxide films that break down in oxygen-starved crevices under humid, salty conditions. Titanium Ti-6Al-4V forms an impenetrable, instantly self-healing oxide layer that is totally immune to pitting, crevice rust, and coastal galvanic staining.
Titanium fasteners exhibit high friction coefficients against matching metals. We mandate applying high-nickel or moly-based anti-seize paste to threads prior to torquing. Titanium countersunk screws typically require 15–20% lower torque values than equivalent Class 10.9 steel fasteners due to the conical head geometry.
Yes. Custom OEM/ODM manufacturing is our primary core competency. Provide a STEP/IGS drawing, PDF blueprint, or physical master sample. Our engineers confirm tooling and tolerances within 24 hours and can supply CNC prototypes within 3 business days.
