Self-tapping screws represent a fundamental technology in modern mechanical fastening, designed to tap their own threads as they are driven into materials such as plastics, sheet metal, and structural framing. When combined with a functional white aesthetic finish, custom white self-tapping screws become critical functional components. They are widely utilized across multiple industries, including consumer white goods, commercial electronics, marine vessels, and cleanroom environments. However, achieving a high-quality white finish that does not chip, flake, or corrode during high-torque driving requires advanced material science and coating technologies.
From a technical perspective, the substrate material must balance ductility with high surface hardness. Typical materials include carbon steel (such as C1022a), which undergoes case hardening to ensure the cutting threads can penetrate the mating materials, and various grades of stainless steel (including SUS 304 and 316) for corrosion resistance. For aerospace or specialized electronic applications, titanium alloys and nickel alloys are selected. The white aesthetic is applied via advanced coating processes like electrophoretic deposition (E-coating), thermosetting powder coating, fluoropolymer coating, or customized white zinc plating with specialized sealers.
In high-precision electronics and machinery, thread tolerance is a critical parameter. Standard self-tapping thread profiles, such as Type AB, Type B, or Type 25, must maintain precise dimensional control. Applying a white protective layer increases the outer diameter and pitch diameter of the threads. If the coating is too thick or unevenly distributed, it will increase the driving torque requirements, which can lead to stripping, screw head shearing, or failure of the host material.
To address this issue, advanced manufacturers utilize automated optical sorting and precise liquid or powder deposition controls. The coating thickness is typically limited to a range of 8 to 25 micrometers. This ensures that the white coating provides both high aesthetic value (excellent opacity and color consistency) and durable corrosion resistance, while maintaining the geometric clearance required for consistent assembly torque profiles.
Patented Products & Inventions
Product Models Managed
Stainless Steel Stock
Production Base Capacity
We have formulated the most stringent sampling inspection system, utilizing advanced optical sorting machinery and automated visual inspection to strive to achieve zero defects for all products leaving our factory.
Innovation is key. At present, our entire group has more than 100 utility model patented products and eight invention patented products, driving advancement in high-performance fastening materials.
We currently operate nearly 100,000 product models, with 500 tons of special raw materials in stock and 10,000 tons of finished stainless steel standard parts ready for immediate worldwide shipping.
Beiersdorf Industrial Technology (Shanghai) Co., Ltd. was established in 2015 and is located in Shanghai, China. It is an enterprise mainly engaged in the business of special fasteners and ultra-high precision components. We operate under the core philosophy: "Product quality is the foundation for an enterprise's survival" and maintain a forward-looking, positive approach: "Heart to sunshine, everything to prosperity".
Foundational Quality Principles
Progressive Customer Engagement
M² Production Base
The global competitiveness of custom white self-tapping screws manufactured in China is built on a robust, highly integrated supply chain ecosystem. Unlike fragmented regional manufacturing clusters, the Chinese industrial ecosystem unites raw material sourcing, tooling fabrication, cold heading technology, heat treatment, surface treatment, and optical inspection within compact industrial corridors. This physical proximity drastically reduces lead times for bespoke fastener geometries and allows for rapid prototype testing.
For international procurers, sourcing from China-based factories provides a significant economic and operational advantage. Our Shanghai-based facilities utilize cold-heading technology capable of manufacturing tens of thousands of components per hour with high dimensional repeatability. Furthermore, our raw materials are sourced directly from certified steel manufacturers, ensuring chemical composition control (carbon content, chromium-nickel ratios, trace element limitations) that complies with global standards.
A key challenge for white self-tapping screws is managing the specialized surface treatments. In our integrated workflow, white coatings (powder, electrophoretic, or fluoropolymer) are applied in dust-free, climate-controlled environments. This prevents dust and humidity from affecting the coating's adhesion. Every batch undergoes rigorous quality controls, including thickness testing, cross-cut adhesion tests (in accordance with ASTM D3359 standards), and salt spray chamber tests to verify corrosion resistance before shipment.
Designed for high-sensitivity electronic arrays and medical diagnostic equipment.
Including super stainless steel, titanium, and high-performance nickel-based alloys.
Lightweight, non-conductive, and highly resistant to corrosive chemical environments.
Certified marine engineering fasteners built to withstand severe offshore conditions.
High tensile strength raw materials for critical energy and industrial applications.
Ultra-high precision components engineered for medical and optical equipment.
Engineered to maintain material stability in temperatures from -270℃ to 0℃.
Designed to retain mechanical strength at elevated temperatures from 400℃ to 1200℃.
Our special fasteners are widely used in shipbuilding and oceanography engineering, including marine propulsion, offshore wind power, and platform construction. Materials include A4-80, A5-80, 2205, Super Duplex, and Classification Society certified parts.
Securing critical thermal, nuclear, and renewable energy equipment. Our fasteners resist structural creep, thermal stress, and high-frequency vibrations in harsh operational environments.
Providing mechanical connection solutions for high-speed locomotives, subways, and structural track assemblies. Engineered to withstand high vibration and cyclic shear loads.
Providing precision micro-fastening for base stations, high-end server racks, and consumer electronics where white aesthetic finishes and electromagnetic shielding are required.
High-integrity fasteners designed for corrosive gas environments, offshore processing rigs, and refinery pipelines. Featuring specialized coatings to prevent hydrogen embrittlement.
For multinational industrial enterprises, procurement decisions extend beyond unit cost to include supply chain compliance, regulatory alignment, and localization support. High-performance projects require complete traceability and compliance with global directives such as EU REACH, RoHS 3, and TSCA. A reliable supplier must provide full raw material traceability, chemical analysis reports, and certificate of conformance (CoC) documentation with every batch.
Our localization support infrastructure ensures that engineering teams in Europe, North America, and the Asia-Pacific receive real-time technical consultation. We support the PPAP (Production Part Approval Process) Level 3 framework, providing documentation for dimensional layouts, material test results, failure mode and effects analysis (FMEA), and control plans. Additionally, our fasteners are registered with the International Material Data System (IMDS) to support the global automotive and electronics supply chains.
To verify structural integrity in harsh environments, our testing laboratory conducts ASTM B117 salt spray testing and ISO 9227 corrosion tests. Custom white self-tapping screws designed for outdoor or coastal applications can be engineered to withstand 500 to 1,000 hours of continuous salt spray exposure without displaying red rust. This is achieved through specialized zinc-flake basecoats combined with cross-linked organic topcoats, providing both chemical barrier protection and sacrificial galvanic protection.
The industrial fastening sector is undergoing a transformation driven by automation, material optimization, and environmental sustainability. One of the leading trends is the demand for lightweight fastening systems, which is driven by the growth of electric vehicles (EVs) and portable electronics. Consequently, there is an increasing shift toward the use of engineering polymers, titanium alloys, and high-strength micro-fasteners (M1.0 to M2.5) that reduce weight without compromising mechanical integrity.
Another key trend is the transition to eco-friendly coating chemicals. Traditional hexavalent chromium surface treatments are being replaced by trivalent chromium and chromium-free organic coatings. These new systems match or exceed the performance of older finishes while complying with environmental standards. Additionally, the integration of smart factory monitoring systems has increased the demand for fasteners with highly consistent thread profiles. This ensures compatibility with automated vacuum-feed screwdriving robots, preventing assembly line downtime caused by minor manufacturing defects.
In the heart of the global industrial landscape, the fastener industry stands as a silent but crucial cog driving the machinery of progress. As we step into 2025, the industry focuses heavily on sustainability, carbon neutrality, and lightweight alloys.
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Beiersdorf, a leading global fasteners supply company, has announced the commencement of a comprehensive warehouse renovation project to integrate IoT inventory tracking and robotic retrieval systems.
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Beiersdorf (Shanghai) was founded in 2015. We are a company with a global perspective dedicated to providing professional fastener solutions. Fasteners, as the most basic mechanical parts, serve as the foundation of modern infrastructure.
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Beiersdorf is not only a supplier of special fasteners, but also can provide various technical consultations and guidance related to fasteners, including the selection of products and raw materials in the early stage, as well as the installation guidance and maintenance of fasteners in the subsequent stage.
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