From the industrial parks of Cuautitlán Izcalli and Tlalnepantla to the high-tech corridors of Valle de México and Toluca, bulk self-tapping screws are vital mechanical components underpinning the North American nearshoring transformation.
The Metropolitan Zone of the Valley of Mexico (ZMVM) and surrounding State of Mexico corridors have experienced exponential growth in contract manufacturing, electronics production, and tier automotive sub-assembly. As multinational corporations transition production lines closer to the USMCA perimeter, procurement managers demand immediate volume scaling, tight dimensional tolerances, and high shear-strength fasteners that withstand automated feeding systems.
Operating within the Mexican industrial ecosystem necessitates versatile manufacturing capability across both ISO/DIN metric standards (M2 through M10) and ANSI/ASME Unified National Inch threads (#2 through 3/8"). Our specialized tooling ensures perfect fitment whether your CAD assembly drawings originate from German automotive platforms, Japanese electronics firms, or North American OEM heavy equipment designs.
Mexico City's unique high-altitude basin topography presents distinct atmospheric challenges, combining high UV exposure with industrial microclimates and seasonal moisture. We engineer our self-tapping fasteners with advanced multi-layer coatings—such as trivalent zinc baking with sealing passivations, Ruspert (500–1,500 hrs salt spray), Dacromet, and Geomet—to prevent galvanic corrosion and hydrogen embrittlement.
Self-tapping screws eliminate the costly secondary operation of pre-tapping mating components by cutting or forming their own mating threads in sheet metal, aluminum extrusions, thermoset plastics, and cast zinc. Producing screws that consistently pierce without shearing or stripping requires meticulous balance between surface hardness and core ductility.
Our ISO-certified manufacturing infrastructure utilizes premium carbon steel wire (C1022A, 10B21) and cold-heading grade stainless steel (AISI 304, 316, 410). Carburized heat treatment guarantees a surface hardness of HV 450–750 for effortless material displacement, coupled with a resilient core hardness of HV 270–390 to endure severe vibrational loads in dynamic automotive assemblies.
| Standard Systems | DIN 7981, DIN 7982, DIN 7983, ISO 14585, ASME B18.6.4, JIS B1115 |
| Diameter Range | M1.2 – M10 (Metric) / #0 – 3/8" (Unified Inch) |
| Length Range | 3.0 mm – 150 mm (1/8" – 6.0") |
| Head Configurations | Pan, Countersunk Flat, Truss, Hex Washer, Button, Oval, Binding |
| Surface Finishes | Zinc (Clear/Yellow/Black), Nickel, Black Oxide, Ruspert, Dacromet, Geomet |
| Quality Certifications | IATF 16949, ISO 9001:2015, ISO 14001, RoHS & REACH Compliant |
Company Profile & Global Manufacturing
YH-Fasteners is a professional hardware manufacturing enterprise integrating production, research and development, sales and service. It specializes in the production and customization of screws, wrenches and positioning beads.
The company's factory area exceeds 20,000 square meters. It has branches in Dongguan, Shaoguan and Wuhan, and possesses the full-process production capacity from raw material processing to product delivery. It can support the customization of international standards and non-standard drawings. It strictly adheres to ISO9001, ISO14001 and IATF16949 systems, and achieves full-process quality control through multiple tests.
Global Reach & Diverse Applications
The products are exported to many countries and are applied in various fields such as consumer electronics, mechanical equipment and automotive parts.
Customer-Centric Partnerships
It provides full-process services based on customer needs and strives to become a long-term trusted partner in hardware manufacturing for customers.
Starting with a single screw, Su Yuqiang spent thirty years transforming "Yuhuang" into a reliable brand in the field of hardware manufacturing, and himself became the recognized "Screw Prince" in the industry.
Starting from scratch, he lacked funds and equipment in the early stage of his entrepreneurship, but always engraved "customer needs" in his heart. Once an American customer requested a non-standard screw, many factories failed in their trials. Su Yuqiang didn't give up: repeatedly adjusting the molds, sending samples at his own expense, once, twice... Finally, on the fifth attempt, he successfully produced a product that met the requirements. This meticulousness and persistence earned him the trust and cooperation of customers for over twenty years.
After thirty years of deep dedication, Su Yuqiang, with the belief of "tenacity and pragmatism, service first", led Yuhuang to move forward steadily; his diligence and commitment as a public servant have become benchmarks in the industry, and "centering on customers" has become the core development philosophy engraved in the bones of Yuhuang.
Relying on the entire process manufacturing capabilities and strict quality control, we provide high-quality customized products and full-cycle services for screws, wrenches, and positioning beads to global customers. Centered on customer needs, we continuously create value and strive to become a reliable partner in the hardware manufacturing field.
Our manufacturing cells operate 24/7 with computerized cold-heading stations, multi-die high-speed thread-rolling units, and AI-assisted optical sorting equipment guaranteeing defect rates below 50 PPM.
Yuhuang focuses on providing a complete service for screws, wrenches and positioning beads:
Offer precise selection suggestions based on application scenarios; engineering guidance for material pairing, drill point sizing, and torque limits.
Support standard/non-standard customization, with full process follow-up from design to production; rapid mold fabrication and prototyping within 5-7 days.
Full process quality control to ensure products meet certification standards; comprehensive PPAP Level III documentation, RoHS, and salt spray test certificates.
Professional technical support, quick response to customer needs; dedicated logistics management with door-to-door (DDP) options across Mexico City metropolitan hubs.
Our self-tapping screws and specialized hardware assemblies are built to excel under the rigorous physical demands of Mexico's most critical manufacturing sectors.
Applied widely in automotive clusters in Toluca, Puebla, and Querétaro corridors. Self-tapping trilobular screws are used in door modules, dashboard instrument clusters, HVAC ducting assemblies, wiring harness brackets, and EV battery enclosure sealing covers where high pull-out resistance and anti-loosening are critical.
Engineered for telecommunication cabinets, smart electrical meters (CFE compliant), and solar inverter chassis located throughout central Mexico. EPDM washer sealing screws and captive SEMS machine screws guarantee IP67 weather-tightness against rainwater, fine dust, and atmospheric moisture.
Precision miniature self-tapping screws (M1.2–M3.0) with black oxide or nickel plating deployed in contract electronics assembly lines in Guadalajara and Mexico City. Ideal for thin sheet aluminum enclosures, PCB board mounting, home appliance panels, and medical diagnostic equipment.
Explore our extensive range of high-torque tamper-resistant, socket-head, flush-mount countersunk, and security machine screws.
Direct OEM factory pricing, certified materials, and customized bulk packaging ready for immediate export dispatch to Mexico City distribution centers.
Key information regarding logistics lead times to Mexico, minimum order quantities, surface certification, and custom fastener engineering.
We provide streamlined ocean freight from Shenzhen/Guangzhou ports to Manzanillo or Lázaro Cárdenas (transit time: 18–24 days), followed by bonded intermodal rail/truck directly to customs terminals in Mexico City or Valle de México. Air freight for urgent prototyping samples arrives via AICM (Mexico City International Airport) or AIFA within 4–6 business days.
Yes. We regularly supply Tier 1 and Tier 2 automotive part assemblers in Toluca, Puebla, and the Bajío region with complete Production Part Approval Process (PPAP Level 3) packages, including Material Test Reports (MTR), IMDS registration, Process Flow Diagrams, Control Plans, and Gage R&R studies.
For standard catalog sizes, our minimum order quantity starts from 50,000 pieces per batch. For custom tooling geometries, specialized recess configurations (e.g., Torx Plus, Security One-Way), or customized multi-layer anti-corrosion coatings, the typical MOQ is 100,000 pieces with free mold engineering for high-volume annual contracts.
All high-tensile and case-hardened carbon steel screws (hardness > 320 HV) undergo an automated post-electroplating de-embrittlement baking cycle at 200°C–220°C for 4 to 8 hours within 1 hour of acid pickling. This critical metallurgical step guarantees 0% delayed fracture risk in structural metal joints.
Submit your 2D/3D CAD drawings or standard DIN/ISO/ASME requirements. Our technical sales engineers provide DDP Mexico price quotations and sample shipments within 24 hours.
