Engineered for ophthalmic laboratories, high-turnover Bangkok optical retail chains, and precision optical repair benches requiring tight micro-thread tolerances and extreme corrosion resistance.
A comprehensive examination of galvanic micro-corrosion, torque retention in acetate and titanium hinges, and precision cold heading parameters.
Our OEM/ODM manufacturing facility specializes in precision Swiss lathe turned and high-speed cold-headed optical fasteners engineered to DIN 84, ISO 1207, and ISO 7045 specifications. Utilizing ultra-pure austenitic SUS304 and marine-grade SUS316L stainless steel alongside Grade 5 Titanium (Ti-6Al-4V), our fastener solutions provide extreme tensile integrity, flawless thread pitch accuracy, and zero micro-burr head profiles. Whether supplying high-volume optical lab networks in Yaowarat and Phra Nakhon or contract manufacturing facilities in the Eastern Economic Corridor (EEC) and Pathum Thani, our Bangkok-dedicated production lines solve the common challenges of thread creep, screw backing, and cross-threading.
| Micro-Screw Type | Nominal Diameter (d) | Pitch (P) & Thread Spec | Standard Material Grade | Torque Limit (Nm) | Passivation / Coating Spec |
|---|---|---|---|---|---|
| Spring Hinge Self-Aligning Screw | M1.20 – M1.40 | 0.25mm / 0.30mm Metric Fine | Austenitic SUS316L / Hardened 410 | 0.18 – 0.22 Nm | Blue Micro-encapsulated Polyamide Patch |
| Rimless Compression Lug Screw | M1.00 – M1.20 | 0.20mm / 0.25mm Ultra Fine | Grade 5 Titanium (Ti-6Al-4V) | 0.12 – 0.15 Nm | Anodized Ti-Gold / Acid Electropolished |
| Standard Barrel Hinge Machine Screw | M1.40 – M1.60 | 0.30mm / 0.35mm Standard ISO | SUS304 High-Tensile Stainless | 0.25 – 0.32 Nm | Citric Acid Passivation (ASTM A967) |
| Nose Pad Arm Retaining Micro-Screw | M0.80 – M1.00 | 0.20mm Micro ISO Thread | SUS316L / Low Lead CuZn39Pb3 Brass | 0.08 – 0.12 Nm | Multi-layer PVD Rose Gold / Silver Rhodium |
| Acetone-Resistant Sunglass Eyewire Lock | M1.40 – M1.80 | 0.35mm Heavy Duty Locking | Heat-Treated 304 Stainless Steel | 0.30 – 0.40 Nm | Pre-applied Dri-Loc 204 Anaerobic Resin |
Our patented lead-in feeder tips feature a pilot shank with a non-threaded tapering cone. This allows optical laboratory technicians in Bangkok to instantly position and engage spring hinges without cross-threading or temple spring clamps, cutting bench assembly cycle time by 45%.
Chamfered Pilot TipTo eliminate spontaneous back-out from continuous temple articulation, we deposit automated 360° or 180° Polyamide/Nylon threadlock patches directly onto screw threads. Pre-applied dry film adhesive engages immediately upon insertion into the barrel without liquid loctite mess.
Vibration DampingFormed on high-speed multi-station micro cold headers, our screws achieve high grain-flow density across the shank-to-head transition. Drive slots (Phillips, Flat, Hexalobular Torx T3–T5) resist cam-out deformation even under aggressive optical dispensary screwdriver torquing.
Zero Cam-Out ProfilingEvery single batch of M0.8–M2.0 optical screws undergoes high-speed automated laser and dual CCD optical sorting. Dimensions including head diameter, total length, thread pitch, and drive depth are verified at 1,200 parts per minute, ensuring a defect rate lower than 5 PPM (Parts Per Million) for automated lines.
<5 PPM Defect RateTo resist Bangkok's extreme tropical perspiration and saline climate, our micro fasteners receive electro-chemical passivation alongside optional Physical Vapor Deposition (PVD) finishes in Gunmetal, Jet Black, IP Gold, and Silver Chrome. Tested to withstand over 1,200 hours of continuous ASTM B117 salt spray exposure without pitting.
ISO 9227 CertifiedWe configure bespoke, branded compartmentalized screw organizers tailored to dispensary workstation requirements across Bangkok. High-transparency acrylic storage units feature silk-screened dimensional charts, millimeter rulers, and color-coded screw vials indexed by frame brand and hinge type.
Turnkey Workshop KitsBangkok functions as the central ophthalmic trade and manufacturing gateway of Southeast Asia. Supplying eyeglass frame repair screws and optical accessories in Thailand requires tailored distribution channels, swift regional logistics across major logistics corridors, and technical compliance with both medical-grade optical practices and commercial retail networks.
Supplying private hospital optometry clinics (Bumrungrad, Bangkok Hospital, Samitivej) with hypoallergenic Titanium and high-tensile 316L surgical-grade micro-screws, where zero nickel-release compliance (EN 1811 standard) is mandatory for post-operative ophthalmic and pediatric patients.
Direct bulk master-carton distribution of universal M1.2, M1.4, and M1.6 optical screw assortment kits to Bangkok's traditional optical wholesale markets. High-turnover bench repairs require robust Phillips/Flat head screws that fit diverse retro-fitted and vintage Asian-fit eyewear frames.
Just-In-Time replenishment programs for large optical store chains (e.g., Top Charoen, Better Vision, KT Optic) spanning hundreds of franchise outlets across Bangkok, Nonthaburi, and Samut Prakan. Pre-packaged, color-coded repair vials eliminate technician downtime during customer frame adjustments.
Supplying automated eyewear contract assembly lines in Chonburi and Rayong with continuous-tape fed or magnetic-feeder micro screws. High dimensional uniformity (±0.005mm) prevents feeder track jams in high-speed optical manufacturing robotics.
Custom ODM micro-machining for bespoke luxury eyewear studios in Siam Paragon, EmQuartier, and Thong Lo. Providing custom Torx head screws with specialized PVD coating matching custom-anodized horn, solid titanium, and gold-plated frames.
Centralized warehousing near Suvarnabhumi Airport and Bang Na-Trat Highway enables same-day courier dispatch across the Bangkok Metropolitan Region, alongside streamlined air-freight export clearance throughout ASEAN markets including Vietnam, Malaysia, and Indonesia.
How technological modernization, demographic shifts, and regional economic agreements are reshaping the demand for precision optical components in Greater Bangkok.
The Thai government's Board of Investment (BOI) incentives under the "Thailand 4.0" framework have accelerated the growth of domestic medical device manufacturing. Optical assembly hubs are rapidly upgrading quality control standards from manual sorting to optical automated sorting, raising the bar for micro-fastener tensile stability and traceability.
BOI Smart ManufacturingThailand's transition into an aged society has triggered a surge in progressive addition lens (PAL) prescriptions. Progressive frames require heavier, multi-joint spring hinges and wider bridge reinforcements, placing higher cyclic fatigue loads on M1.4 and M1.6 hinge screws, necessitating high-torque stainless alloys.
Cyclic Fatigue ResilienceGlobal eyewear brands are shifting manufacturing nodes out of single-market concentration into Southeast Asian clusters. Bangkok serves as the financial and logistical apex of this transformation, creating immense OEM/ODM demand for local factories capable of delivering western-certified (CE, REACH, RoHS) optical hardware.
REACH & RoHS CertifiedDirect, technical answers regarding ordering parameters, minimum order quantities, metallurgical certifications, and custom tooling runs.
From micro-mechanical metallurgical testing to proof approval protocols, we de-risk the optical supply chain for enterprise purchasers.
We eliminate batch surprises by providing physical proof samples for optical laboratory verification prior to mass production runs. Every dimension is documented on an accompanying CMM (Coordinate Measuring Machine) inspection sheet for dimensional sign-off.
Zero Risk SamplingUnlike generic fastener manufacturers that produce construction hardware on the same machines, our multi-die cold headers and Swiss screw lathes run exclusively ophthalmic, horological, and micro-precision medical components, preventing ferrous cross-contamination.
Contamination-Free LinesAuthorized partners receive 24/7 access to our digital reordering portal with real-time stock transparency across Bangkok warehouse locations. Your assigned technical account manager responds within one business day with engineering CAD drawings and pricing matrixes.
1-on-1 Engineering Support