Explore our top-tier engineering solutions designed for extreme mechanical environments, low magnetic interference, cryogenic applications, and ultra-high temperature operations.
Unlike traditional machine screws that rely on a pre-tapped mating nut, Stainless Steel Self-Tapping Screws (STSs) generate their own mating threads during deployment. In high-stakes manufacturing environments, understanding the differentiation between thread-forming and thread-cutting parameters is vital. Thread-forming self-tapping screws displace adjacent material plastically without chip formation, making them perfect for soft alloys like aluminum, brass, or structural polymer matrices. Conversely, thread-cutting screws feature integrated cutting flutes that remove material as they advance, reducing installation torque but necessitating clearance for swarf containment.
From a mechanical perspective, our custom engineering ensures optimal pilot hole diameter calculations. Under-sizing pilot holes causes high driving torque, leading to torsional shear failure or thread stripping. Over-sizing reduces thread engagement depth, diminishing overall pull-out strength. By implementing advanced thread geometries (including Type AB, Type B, and spaced threads conformant to DIN 7981 / ISO 1478), Beiersdorf stabilizes torque-to-tension ratios, avoiding stress corrosion cracking in pre-tensioned joints.
Engineering Breakthrough: Realizing zero-defect performance in heavy environments requires meticulous microstructural consistency. Through computerized cold heading, our self-tapping fasteners retain high grain density along thread profiles, offering up to 25% higher shear resistance than hot-forged alternatives.
Corrosion failure is the leading cause of structural joint collapse. Specifying the correct steel alloy is not just a commercial choice; it is a critical engineering decision. Standard A2 (Grade 304) stainless steel offers superb general corrosion resistance in dry industrial environments. However, marine, subsea, and heavy chemical systems demand A4 (Grade 316) stainless steel, which is enriched with 2-3% Molybdenum to prevent pitting and crevice corrosion under high chloride exposure.
For extreme conditions, we process specialized alloys like Duplex 2205 (EN 1.4462) and Super Duplex steels. These biphasic microstructures offer double the mechanical yield strength of standard austenitic steels alongside superior pitting resistance equivalent numbers (PREN > 35). This makes them indispensable in offshore petrochemical modules, desalinization facilities, and subsea pipelines.
The global manufacturing landscape has shifted from basic mass production to advanced custom precision engineering. China's Yangtze River Delta, particularly industrial bases like Shanghai and surrounding provinces, has developed an unparalleled fastener manufacturing cluster. By aggregating raw material sourcing (such as medical-grade titanium and cobalt alloys from premier mills), hot/cold forging technology, chemical passivating, and advanced heat treatment within tight geographic areas, Beiersdorf achieves unmatched production efficiencies.
Furthermore, the shift towards smart manufacturing allows us to integrate real-time optical sorting and multi-sensor inspection jigs directly into the production flow, eliminating dimensional discrepancies before cargo leaves our warehouse.
Our core structural frameworks are optimized to guarantee precision, material traceability, and prompt logistics distribution globally.
We have formulated the most stringent sampling inspection system, so as to strive to achieve zero defects for the products out of our factory.
At present, our entire group has more than 100 utility model patented products and eight invention patented products.
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 in stock.
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 serve as a strategic supplier to international aerospace, petrochemical engineering, marine engineering, and infrastructure enterprises.
“Product quality is the foundation for an enterprise's survival.”
“Heart to sunshine, everything to prosperity”
Custom engineered fastening systems developed to withstand absolute cryogenic freezing, thermal degradation up to 1200℃, and immense mechanical tensile stress.
-270℃ Low-temperature Fastener
Titanium Alloy Fasteners
Cobalt Alloy Fasteners
Nickel Alloy Fasteners
Best Seller Fasteners
Tensile strength of 1900 MPa
1200℃ High-temp Fasteners
Duplex & Super Stainless Bolts
A comprehensive range of mechanical fasteners engineered in accordance with global DIN, ISO, ANSI, and BS standards.
Providing high-grade fastener solutions integrated with certification, high tensile strength, and metallurgical compliance across core industries.
Our special fasteners are widely used in the field of shipbuilding and oceanography engineering, specifically in the manufacture of special ships, marine propulsion, marine accessories, yacht manufacturing, offshore oil drilling platforms, submarine pipelines, offshore wind power, underwater lifeboats, port machinery, dock construction, etc.
These specialized fasteners mainly include high-performance grades such as A4-80, A5-80, D8-80, D6-70, Duplex 2205, L7, 40CrNiMoA, Alloy 718, and EN14399 steel structure connection pairs. All marine fasteners can be supplied with official Classification Society certification certificates (e.g. CCS, DNV, ABS, LR) to guarantee safe deployment under severe ocean environments.
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In nuclear power blocks, high-temperature thermal power boilers, and wind turbine assemblies, fasteners face extreme mechanical loading and corrosion forces. We supply high-tensile fasteners (up to 1900 MPa) along with specialty alloy stud bolts (A286, Inconel 718) to prevent stress cracking under thermal cycles.
High-speed rail structures require continuous vibration resistance and reliable shear capacities. Our precision self-tapping screws and lock bolts are utilized in interior body panels, track assemblies, and overhead power linkages to ensure stability and low-maintenance structural life.
To prevent signal attenuation in 5G base stations, MRI medical housings, and aerospace radar assemblies, we provide high-grade non-magnetic fasteners. These precision components feature negligible magnetic permeability (μ < 1.01) and tight tolerances to secure delicate electronics.
Petrochemical processing structures deal with sour gas, sulfuric acid, and high pressure. Our duplex and super alloy fasteners offer robust prevention against pitting and crevice corrosion, retaining structural integrity for prolonged periods in highly corrosive process streams.
A professional material specification guide designed for procurement managers and engineering professionals to verify fastener performance metrics.
| Material Class | Common Designation | Tensile Strength (MPa) | Yield Strength (MPa) | Operational Temp (℃) | Core Application Environments |
|---|---|---|---|---|---|
| Austenitic Steel | A2-70 / 304 Stainless | 700 Min. | 450 Min. | -196 to 800 | General machinery, food processing, industrial structural framing. |
| Marine Grade | A4-80 / 316 Stainless | 800 Min. | 600 Min. | -196 to 800 | Marine engineering, petrochemical piping, harbor construction. |
| Duplex Alloy | Duplex 2205 / EN 1.4462 | 650 - 880 | 450 Min. | -50 to 250 | Offshore platform superstructures, chemical cargo tanks. |
| Super Alloy | Inconel 718 / Nimonic | 1200 - 1500 | 1030 Min. | -250 to 700 | Gas turbine blades, aerospace exhausts, pyro-processing units. |
| Titanium Grade | Ti-6Al-4V (Grade 5) | 895 Min. | 828 Min. | -250 to 400 | Aerospace structural assemblies, biomedical devices, racing systems. |
When drafting request documents (RFQs) for high-performance self-tapping screws, global sourcing specialists must supply complete specification data to guarantee engineering compliance:
Expert responses to complex mechanical, chemical, and logistics questions commonly asked by global procurement engineers.
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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 and common mechanical pa...
Serving infrastructure, aerospace, and energy projects on all continents with swift logistic transit points.
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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